Geophysical Report, Enjalran/Carheil Project Geophysical Report

GM 44014 GEOPHYSICAL REPORT, ENJALRAN/CARHEIL PROJECT GEOPHYSICAL REPORT

ON THE

NEW RIDGE RESOURCES OPTION

ENJALRAN/CARHEIL PROJECT

CASA BERARDI - SELBAIE AREA QUEBEC

for

PETROMET RESOURCES LTD.

AND

GREENSTRIKE GOLD CORPORATION

Ministère de l'Énergie et des Ressources Service de la Géoinformation 87 Data 1 0 MARS 19

No G.M.; 44(1)14

Toronto, Ontario J. Roth, M.A. August, 1986 MPH CONSULTING LIMITED SUMMARY

A ground geophysical program consisting of magnetometer and horizontal loop EM surveys was completed by MPH Consulting Limited during the period April 21 to May 7, 1986 at the request of the Petromet Resources Ltd.-New Ridge Resources Ltd. joint venture over the latter's 106 claim holdings in Enjalran Township in the Casa Berardi-Selbaie area of northwestern Quebec. The property consists of one large claim block in central Enjal- ran Township, and two smaller blocks (Turgeon River and Enjalran River) in eastern Enjalran Township.

Located within the north-central portion of the Abitibi greenstone belt, the claims are inferred from geophysical information, limited prior exploration and very sparse outcrop to be predominantly underlain by intermediate to mafic volcanics containing bands of sediments and tuffs trending east-west to southeast. This geological setting is known to be permissive for gold deposits as evidenced by nearby deposits at Detour Lake, Ontario and, more particularly, by those in the Golden Knight area.

The limited, non-systematic prior exploration of this area, consisting of airborne and ground geophysical surveys and scattered drill holes directed mainly at base metal massive sulphide targets, tested several conductive targets and intersected graphitic and/or sulphidic horizons.

The present geophysical program consisted of comprehensive magnetometer and MaxMin II HLEM coverage on the main claim group undertaken to detect conductive + magnetic features constituting favourable targets for gold and/or polymetallic sulphide mineralization. Check MaxMin surveys were also completed over a limited part of the smaller Turgeon River claim group. On the main claim block, the magnetometer survey disclosed three separate magnetic domains distinguished on the basis of differences in magnetic features and patterns. Long, strong anomalies in Domain I are most probably iron formation. Excellent continuity of stratigraphie elements is indicated with trends varying from southeast to east-southeast. Cross- faults cause only minor disruptions to the stratigraphie trends except in the east-central area where faults form the boundary between domain III and domains I and II.

The MaxMin survey detected seven significant conductive zones (A, B, C, E, F, F1 and G) interpreted as definite bedrock features. In particular, a series of long, moderate to strong conductors are confidently attributed to graphitic horizons adjacent to iron formations.

The check MaxMin HLEM survey on the Turgeon River Block detected and partly delineated one definite bedrock conductor whose location and strike are substantially consistent with the results of previous more extensive HLEM surveys.

In view of the favourable results, additional exploration is clearly warranted. The various geophysical targets are currently being evaluated for their gold/base metals potential via a major reverse circulation drilling program. Those results will be the subject of a separate report. TABLE OF CONTENTS Page

SUMMARY

1 .0 INTRODUCTION 1

2.0 LOCATION, ACCESS AND INFRASTRUCTURE 3

3.0 PROPERTY 5

4.0 GEOLOGY AND MINERAL DEPOSITS 4.1 Regional Geology 10 4.2 Mineral Deposits 11 4.3 Exploration Models 25 4.4 Property Geology 25 4.5 Glacial Geology 27

5.0 PREVIOUS WORK 29 5.1 Assessment Work 29 5.2 INPUT Survey 36 5.3 Geochemical Surveys 36

6.0 SURVEY PROCEDURES 6.1 Magnetometer Survey 38 6.2 Horizontal Loop EM Survey 38

7.0 DATA ACQUISITION 40

8.0 DATA PROCESSING AND PRESENTATION 42

9.0 GEOPHYSICAL RESULTS 9.1 Claim Block #1 (Main) 44 9.1.1 Magnetic Survey 44 9.1.2 MaxMin Surveys 46 9.2 Check MaxMin Surveys 54 9.3 Discussion 55

10.0 CONCLUSIONS 56

11.0 RECOMMENDATIONS 57

Certificate References

APPENDIX A: Geophysical Equipment Specifications LIST OF FIGURES Page

Figure 1: Location Map 2 Figure 2: Property Map 7 Figure 3: Regional Geology and Mineral Occurrences: North Abitibi 9 Figure 4: Input Anomalies, Interpreted Geology and Selected Mineral 37 Occurrences, Enjalran and Carheil Townships

LIST OF MAPS

Map 1 Compilation Map 1:10,000 Claim Block X11 (Main): West Sheet: Map 2 Contoured Total Field Magnetics 1:2,500 Map 4 MaxMin HLEM Profiles: S=150 m, f= 444 Hz 1:2,500 Map 5 MaxMin HLEM Profiles: S=150 m, f=1777 Hz 1:2,500

West-Central Sheet: Map 3 Contoured Total Field Magnetics 1:2,500 Map 6 MaxMin HLEM Profiles: S=150 m, f= 444 Hz 1:2,500 Map 7 MaxMin HLEM Profiles: S=150 m, f=1777 Hz 1:2,500

Detailed MaxMin: Map 8 MaxMin Profiles, s=100 m, E=444 Hz 1:2,500 Map 9 MaxMin Profiles, s=100 m, f=1777 Hz 1:2,500

Claim Block ##2 (Turgeon River): Map 10 Check MaxMin Survey: Area 1/Dome Grid 1:2,500 INTRODUCTION

This report presents and discusses the results of a ground geophysical program carried out by MPH Consulting Limited of Toronto at the request of joint venture partners Petromet Resources Inc. and New Ridge Resources Ltd. over the latter's claims in Enjalran Township in northwestern Quebec. The program was funded by Royex Gold Mining Corp. under the terms of an option agreement.

The geophysical surveys, consisting of comprehensive magnetometer and MaxMin horizontal loop EM coverage, was undertaken to detect and define conductive zones that could reflect economic gold or polymetallic sulphide mineralization, to define associated magnetic features and more generally to provide better understanding of the geology, structure and economic potential of the property.

This report includes a description of the various exploration techniques, a discussion of the individual survey results as well as an integrated evaluation, together with recommendations for further evaluation of the gold and polymetallic sulphide potential of the property. TO• 50• - QUEBEC

PROPERTY Chicoutimi LOCATION Timmins Kirkland Lesko

SCALE REGIONAL 100 0 100 300 LOCATION MAP KILOMETRES

• ITo•aa' T9•00'

-90.00

Delour 1Loft

To Joutel •

To To La 8orro La Sarre SCALE DETAILED 5 0 5 10 E0 LOCATION MAP METRES

PETROMET RESOURCES LIMITED— GREENSTRIKE GOLD CORP. NEW RIDGE RESOURCES LTD. - ROYEX GOLD MINING CORP. OPTION • LOCATION MAP Proles, Ile. C-8155 Sys J. Roth Seale. arum MPH Ora** No Figure 1 Clew August, 1986

MPH Consulting Limited `) - 3-

2.0 LOCATION, ACCESS AND INFRASTRUCTURE

The Petromet-New Ridge project area is located in central and eastern Enjalran Township some 110 km north of the town of La Sarre in northwestern Quebec and approximately 6-10 km east of the Ontario border.

The topography of the area is characterized by flat, swampy terrain typical of northern Quebec. Lac Lalonde in the north-central part of the main property from northwest to southeast, and the Turgeon River are the principal topographic features.

Access to the claims is most readily achieved via helicopter from bases in La Sarre, Quebec or Cochrane, Ontario. Abitibi Helicopters Ltd. main- tains one or more helicopters at the Teck-Golden Hope base camp on the Selbaie Road in Puisseaux Township, some 40 km to the southeast; these are often available for casual charter. Helicopters may be landed in several open swampy areas on the Baroque block and in this area in general.

The Lac Dieppe gravel road, which extends past the Golden Knight development passes through southwest Carheil Township, east of the properties in Enjalran Township.

Existing hydro-electric power transmission lines extend to within 40 km due south of the property (at Val Paradis/Villebois) and very recently to the Selbaie mine, 30 km directly east of the property.

The Detour gold mining operation is located 35 km northwest of the property in the Province of Ontario.

La Sarre, population 10,000, serves as the main centre of service and supply in the area. Most forms of mining exploration support require- ments are available here including fixed and rotary wing aircraft, food, - 4 - fuel, etc., along with a skilled labour pool from which to draw a potential mining force. The main line of the Canadian National Railway passes through La Sarre.

The local economy is based on the logging, mining, farming, tourism and government service industries. It should be noted that active logging activities are being carried out in the general area. In addition to improving access, this will greatly facilitate ground exploration activities such as geophysical surveying and diamond drilling.

The nearest existing gold milling facilities which might be available for milling external ore on a custom or toll basis are those in the Rouyn- Noranda area to the south. Any mining-milling infrastructure established at the Inco-Golden Knight or Teck-Golden Hope project might also be available to receive custom ore. Such custom facilities might enable exploitation of a small or low grade deposit that did not justify its own mill. - 5 -

3.0 PROPERTY

The Petromet-New Ridge holdings consist of 106 unpatented mining claims in three separate claim blocks in Enjalran Township as follows:

Claim Block #1 - Main (72 claims)

Claim Number Expiry Date 437324 - 1 to 5 Dec. 6, 1986 437325 - 1 to 5 Dec. 7, 1986 437326 - 1 to 5 Dec. 8, 1986 437327 - 1 to 5 Dec. 9, 1986 437328 - 1 to 5 Dec. 10, 1986 437329 - 1 to 5 Dec. 11, 1986 437330 - 1 to 5 Dec. 12, 1986 437331 - 1 to 5 Dec. 13, 1986 437332 - 1 to 5 Dec. 14, 1986 437333 - 1 to 5 Dec. 15, 1986 437364 - 1 to 3 Dec. 6, 1986 437365 - 1 to 3 Dec. 7, 1986 437366 - 1 to 3 Dec. 8, 1986 437367 - 1 to 3 Dec. 9, 1986 437368 - 1 to 3 Dec. 10, 1986 437420 - 1 to 3, 5 Dec. 6, 1986 437421 - 1 Dec. 7, 1986 440743 - 4, 5 Feb. 7, 1987

Claim Block #2 - Turgeon River (12 claims)

440751 - 1 to 4 Feb. 6, 1987 440742 - 1 to 3 Feb. 4, 1987 440742 - 4, 5 Feb. 5, 1987 440743 - 1 to 3 Feb. 6, 1987 Claim Block ##3 - Enjalran River (22 claims)

Claim Number Expiry Date 437345 - 1 to 5 Dec. 14, 1986 437346 - 1 to 3 Dec. 15, 1986 437351 - 1 to 5 Dec. 14, 1986 437352 - 1 to 3 Dec. 15, 1986 437355 - 1 to 3 Dec. 18, 1986 437358 - 3, 4 Dec. 21, 1986 440681 - 2, 3 Dec. 22, 1986 440684 - 3 Dec. 25, 1986

Figure 2 shows the relative disposition of the claims in Enjalran Town- ship.

The claims were originally acquired by Petromet Resources Ltd. by staking in December, 1985. Greenstrike Gold Corp. was subsequently assigned an interest in the properties.

In January, 1986 Petromet Resources as to 50% and Greenstrike Gold Corp. (controlled by Petromet) as to 50% optioned out the above-described claims to New Ridge Resources Ltd. whereby the latter may earn a 50% interest in the claims by making expenditures of $1,000,000 including a $200,000 expenditure by the first anniversary date.

Under a separate agreement Royex Gold Mining Corporation may, in turn, earn a 50% in the claims by funding further property expenditures, producing a feasibility study and arranging the financing required to bring a mine into production.

To maintain the claims in good standing, assessment work is required by the Quebec government on an annual expenditure basis for each claim as follows: Microfilm

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First year $5/hectare (i.e. $80/claim) Second to tenth years $10/hectare (i.e. $160/claim)

Work performed on one claim may be applied to other claims of the same group provided the claims are contiguous and the claim grouping does not exceed 480 hectares (1,200 acres).

There is also an annual tax of $0.75/hectare which must be paid to the government within 10 days of the expiration date of the claim.

The holder of a claim(s) who wishes to retain his rights must apply for a development licence no later than 10 days prior to the expiration of a claim. The licence is valid for one year and must be renewed each year. Microfilm

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4.0 GEOLOGY AND MINERAL DEPOSITS: DETOUR-MATAGAMI SECTOR, ABITIBI GREENSTONE BELT

4.1 Regional Geology The Petromet-New Ridge holdings lie within the northern portion of the Abitibi Greenstone Belt as indicated in Figure 3. The Abitibi is the largest and most productive of several east-west trending metavolcanic-metasedimentary belts within the Superior Structural Province of the Canadian Shield. These supracrustal rocks are dominantly of Archean age, generally greater than 2 billion years B.P.

The general area of interest is a rectangular zone 200 km long by 125 km wide bounded approximately by the Detour mine in the northwest, the Burntbush area in the southwest, the Joutel area in the southeast and the Matagami area in the northeast.

The area is generally flat and monotonous with extensive black spruce swamp and muskeg cover. Outcrop exposure is typically 1% or less so that the geology is very imperfectly known. A further corollary of this is that additional undiscovered major deposits likely exist beneath overburden in the region.

Mafic metavolcanics are interpreted to be the predominant lithology. Scattered throughout this mafic "sea" are several centers of felsic volcanism such as in the Matagami area and around the Selbaie Mine. However, extensive assessment research indicates that there are far more felsic rocks in this region than presently recognized. This is very important from an exploration viewpoint in that massive sulphide gold-base metal deposits are typically hosted by felsic volcanics.

Intercalated with the mafic rocks are regional sedimentary-tuffaceous units with abundant graphite, argillite, sulphides and oxide iron formation. These units typically appear as zones of airborne EM conductors which may extend for tens of km across country. As such, they provide valuable stratigraphic marker horizons. This sedimentary-tuffaceous setting can also be a fertile one for mineral deposits. Inco's Casa Berardi gold deposit is in such a setting as is the Agnico-Eagle Mine.

Intruding all of these rocks are various intermediate to felsic plutons, some of which may be broadly coeval with volcanism, i.e. synvolcanic, and hence of interest from an exploration viewpoint.

4.2 Mineral Deposits After the Republic of South Africa's Witwatersrand, which produced some 1,114 million ounces of gold between 1884 and 1978, the great- est gold mining area of the western world is Canada's Abitibi belt. Composed mainly of Archean volcanic and sedimentary rocks, the Abitibi has produced more than 133 million ounces of gold between 1906 and 1981.

Several major gold and base metal deposits are present in the general region. The characteristics of some of these deposits, pertinent to further exploration in the region, are described below:

(a) Detour Mine - Ontario The Detour gold (+ copper) deposit, located 30 km northwest of the present property, was discovered in 1974 by Amoco Canada Petroleum Company Ltd. during a geophysically oriented search for base metal massive sulphide deposits. The original drill target was a strong electromagnetic conductor with a directly coincident magnetic high. These geophysical responses are now known to relate primarily to the cherty sulphide (pyrite, pyrrhotite + chalcopyrite) iron formation which hosts much of the gold ore. - 12 -

Present reserves are quoted at approximately 10.9 million tons averaging approximately 0.128 oz Au per ton and 0.15% Cu. These reserves extend to the 1,800 foot level and the deposit is completely open to depth. The mine went into official production on November 4, 1983 at a rate of 2,500 tons per day. Initial production was by open pit although operations are currently suspended due to a lower than expected gold grade and weak gold prices. Shaft sinking is currently underway to determine the economic feasibility of the underground mining of the deposit.

The "main zone" of gold mineralization at Detour is essentially an auriferous quartz fracture zone centered on a cherty tuff unit and extending into the immediately overlying basalts. Gold values also extend beneath the cherty tuff into underlying altered ultramafics. The overall mineralized zone plunges 45 degrees west.

The main zone is generally 20 to 40 feet in width and consists of a system of narrow quartz veins which contain 10 to 15% pyrrhotite, 0.5 to 1% chalcopyrite and 1 to 5% pyrite within the veins and selvages.

Four gold zones are found in the hangingwall basalts above the main zone and are referred to as the quartz-vein zones. The mineralization is similar to the main zone in that the gold occurs within quartz veins with associated pyrrhotite and chalcopyrite with biotite selvages. Most of the quartz vein zones are interpreted to occur in structures that parallel the main zone.

There are several zones of mineralization in underlying talc- carbonate rocks. In these zones, the gold occurs as blebs and specks in close association with pyrrhotite and chalcopyrite. - 13 -

Quartz veins are occasionally present but are not essential for the presence of gold.

The Detour ore body occurs at a local, gentle anticlinal warp on the north limb of the Detour anticlinal fold, the axis of which is located well south of the mine. The plunge of the ore is exactly that of the fold and appears to occupy a fracture zone which is axial planar to the subsidiary warp. It is therefore suggested that there is a very strong structural influence at Detour in addition to the obvious stratigraphic control.

(b) Selbaie Mine - Brouillan Township The Selbaie zinc-copper (+ gold, silver) mine is located 30 km east of the present property and was discovered in 1974 by a Selco Exploration - Pickands Mather joint venture. The deposit was discovered by diamond drilling of a very weak horizontal loop EM anomaly in follow-up to an airborne EM survey. Produc- tion began in mid-1981 at 1,500 metric tonnes per day (B-Zone). The mine is currently undergoing a major expansion, funded in part by the Quebec government.

The Selbaie deposit occurs within acid pyroclastic and volcaniclastic rocks which form part of the Matagami section of the Archean Abitibi orogenic belt.

Ore reserves in the B Zone at December, 1982 consisted of 2.83 million tonnes averaging 3.5% Cu, 0.7% Zn, 33 g Ag, 1.2 g Au per metric tonne. Reserve figures quoted for the A-2 Zone (1978) were 5 million tons in grading 2.02% Cu, 1.33% Zn, 0.36 oz Ag and 0.036 oz Au per ton.

This base metal deposit is somewhat atypical in that it con-

sists mainly of epigenetic quartz-carbonate-base metal vein - 14 -

systems resulting from hydrothermal activity related to late stages of acid volcanism rather than the standard massive sulphides emplaced in syngenetic fashion.

The host rocks consist of rhyolitic tuffs and breccias, bedded chert-pyrite and volcaniclastic debris. An overlying quartz porphyry unit, which is weakly mineralized, may have acted as an impermeable cap rock during the mineralization event.

Veining and minor replacement occur in preferred but variable steeply dipping fracture/fault systems. The vein systems (Zones A-1 and A-2) are concentrated within subhorizontal, permeable rhyolitic units.

Principal hypogene minerals are pyrite, sphalerite and chalcopyrite. Galena, tetrahedrite, polybasite, and native silver occur in minor amounts together with native gold. Supergene chalcocite, digenite, covellite, bornite and native copper occur as fracture fillings and replacement rims around hypogene sulphides.

Important characteristics of the Selbaie deposit include the relatively weak nature of the related EM target and the epigenetic nature of the mineralization as compared to the classical stratiform massive sulphide model.

(c) Agnico-Eagle Mine, Joutel Township Located near Joutel, some 70 km southeast of the property, this gold mine has produced 610,000 ounces of gold from 3,300,000 tons of ore from 1974 to 1984. Reserves at December 31, 1984 were 1,401,592 tons of 0.203 oz gold per ton. Barnet et al. (1982) report on the deposit as follows: - 15 -

"Investigations leading to the discovery of the deposit began in February, 1962 during early exploration of the Joutel- Poirier district for base metal sulphide deposits. Ground geophysical surveys outlined coincident magnetic and electromagnetic anamalies which were tested by diamond drilling in late spring of the same year. Exploration continued, and by 1967 it was apparent that a potentially mineable deposit of auriferous pyrite existed, and underground development was initiated. Regular and substained production began in 1974.

Unlike most Archean gold deposits, Agnico-Eagle has many simi- larities to massive base metal sulphide deposits, suggesting a common volcanogenic origin. The gold is contained within the sulphide facies of a stratabound to stratiform carbonate- sulphide-silicate-oxide facies iron formation which immed=iately overlies a sequence of partially welded felsic tuff and lapilli tuff. A carbonaceous schist containing pyrite bands and nodules occur immediately overlying the ore zone.

The ore-bearing sequence is distinctly zoned with an outward change From an iron silicate facies exhalite at the center of the ore body to iron carbonate facies exhalite. Although chalcopyrite and sphalerite are present only in accessory quantities, analytical data indicates that copper and zinc exhibit both lateral and vertical zonation. The only important ore mineral is native gold with a fineness of approximately 830. The gold occurs as microscopic-size inclusions and veinlets in and around pyrite in the carbonate facies exhalite, and pyrite and pyrrhotite in the silicate facies exhalite. It is proposed that like many massive base metal sulphide bodies, the Agnico- Eagle deposit formed by volcanogenic and exhalative process."

A key observation concerning the Agnico-Eagle mine is that it is essentially a massive pyrite deposit which carries economic 16 -

gold values. This deposit is reminiscent of the Horne Mine in Noranda which, although generally thought of as a base metal mine (mainly copper), is a massive sulphide gold deposit which produced 11 million ounces of gold from 58 million tons of ore.

Any pyrite + pyrrhotite zone in this region should therefore be thoroughly evaluated for its gold potential. It is our finding that many such zones have not been assayed for gold in the past.

(d) The Golden Pond Gold Deposits, Casa Berardi Township Four separate gold deposits are now indicated on the Golden Pond property located 20 km south of the present property. Estimated reserves at the Golden Pond and Golden Pond East deposits currently total some 6.3 million tons of 0.255 oz gold per ton with approximately equivalent tonnages in both zones.

The initial discovery was made by INCO in 1981 by diamond drilling of a ground electromagnetic-magnetic anomaly. The initial discovery hole was drilled on what is now known to be a small satellitic zone to the south of the main Golden Pond deposit. Three holes drilled as follow-up to the discovery hole were blanks. It was only by continued drilling of targets in the immediate area that the Golden Pond deposit was eventu- ally discovered.

Golden Knight Resources Inc. of Vancouver subsequently farmed into the entire 882 claim property to earn a 40% interest in the property by spending $3,000,000 on exploration with INCO remaining as operator.

The property lies on the south limb of a regional synclinorium

and straddles the contact between a lower sequence of volcanics - 17 - and an overlying thick sedimentary pile. The contact generally trends E-W and dips almost vertically.

The geology of the property has been differentiated into various units using regional iron formations and graphitic horizons as marker horizons. The main rock units from stratigraphic top to bottom are given below:

Unit Description 3 Clastic sediments, mostly sandstone, siltstone. 2e Upper banded iron formation, ferruginous sediments. 2d Golden Pond pyroclastic unit, agglomerate, lapilli tuff, tuffaceous sediments (ore-bearing). 2a Volcaniclastic conglomerates. 1 Lower iron formation, magnetite, ferruginous sediments, clastic sediments.

Both geological and geophysical data clearly show that the Golden Pond gold-bearing zone lies within a major east-west trending conductive zone and an overlying complex pyroclastic unit. The conductive unit is traced without ambiguity west to the Turgeon River for a strike length of 20 km. At this point, the conductive unit bifurcates and correlation is less certain.

West of the river, a double conductive horizon continues to the Ontario-Quebec border.

It should be noted that there appears to be a major zone of east-west faulting, shearing and alteration, designated the "Casa Berardi Break", which extends through the deposit area and which may have played a role in ore localization.

In detail, the geology of the Golden Pond area, based on drilling to November 1983, can conveniently be considered in terms - 18 - of a sequence of four mini-cycles. The cycles (from south to north) are briefly described as follows:

The base of cycle I consists of a thick polymictic volcaniclastic conglomerate. Clasts of pyritic grey chert and white bedded chert are characteristic. The basal unit is overlain by graphitic mudstone-siltstone which is capped by a discontinuous lens of bedded sulphide facies (chert-pyrite) iron formation. Cycle I hosts three distinct types of gold occurrences described below:

1. A weak but continuous gold zone that straddles the contact between the polymictic conglomerate and graphitic sediments. 2. A high-grade quartz-tourmaline-arsenopyrite-pyrite zone in mudstone-siltstone containing visible gold. 3. Disseminated auriferous arsenopyrite in the pyrite--chert exhalite.

The base of Cycle II consist of a variety of dacitic volcanic and volcaniclastic rock with intraformational conglomerates. The bulk of the cycle consists of a very thick sequence of turbidite greywacke, sandstone, siltstone, mudstone, containing nodular pyrite graphite and chert. Variable quantities of intermediate to felsic volcaniclastic material are associated with one or more apparently transgressive, carbonate-sericite alteration zones which cut diagonally across the units. The alteration is intense and pervasive and may represent fossil hydrothermal conduits.

Ore grade mineralization in Cycle II is associated with the alteration and is also associated with graphite-pyrite-chert- arsenopyrite zones at the top of the cycle. - 19 -

Cycle III is dominantly pyroclastic. The cycle begins with a thin, somewhat discontinuous, lapilli-tuff horizon overlain by a thick, felsic agglomerate unit. The agglomerate is overlain by a mixed sequence of lapilli-to-ash tuffs, green chioritic mudstone, cherts and a thin dacitic flow (?). The cycle ends with a magnetite quartz-chlorite-carbonate-pyrite iron formation.

Gold mineralization in Cycle III has been located on both the south and north contacts of the agglomerate unit and in one thin bed of pyritic iron formation.

Cycle IV is imperfectly defined and consists of well-bedded calcareous sandstone-mudstone.

Some of the best gold mineralization found so far is in the central and western part of the Golden Pond area. Values higher than 0.15 ounces gold per ton over 10 feet were intersected by 16 out of 22 holes along a strike length of 720 meters (2,360 feet). Most of the holes in this sector returned two or more sections of economic interest.

An on-going, aggressive exploration effort has subsequently resulted in the discovery and partial delineation of the Golden Pond East deposit and more recently, the Golden Pond West zone.

The significance of the Golden Pond East zone is emphasized by an article in the Northern Miner (December 13, 1984) which notes that:

"Hole 71747 returned an impressive 44.2 ft. grading 0.78 oz gold per ton from 693.5-737.7 ft. This section included 19.3 f t . grading 1.27 oz. gold per ton." - 20-

A $7,200,000 underground evaluation program is in progress on the Golden Pond east zone. A ramp has already progressed some 700 meters from the collar (Northern Miner - January 13, 1986) .

The above issue of the Miner also released details of an initial hole into what may be another discovery in the Golden Pond West area, a hole impressive by any standards. The hole contained three separate intersections as follows: 66.3 feet of 0.41 oz Au/ton; 47.6 feet of 0.1 oz Au/ton and 19.8 feet 0.46 oz Au/ton.

Key points at Golden Pond in our opinion include the crosscut- ting, quartz-sulphide vein nature of the mineralization, its occurrence near a regional INPUT-magnetic zone reflective of sulphide-graphite-oxide iron formation. The abundance of arsenopyrite in the deposit indicates that arsenic may be a very useful pathfinder element in this region.

(e) The Estrades Deposit, Estrades Township The Estrades deposit located 30 km southeast of the present property was discovered by the Golden Hope-Teck Corporation joint venture in late 1985. The deposit occurs in an Archean clastic sedimentary and felsic volcaniclastic sequence (locally graphitic and pyritic) with interbedded mafic to intermediate volcanic flows and associated pyroclastics. The discovery would appear to be in the same broad regional stratigraphic package which contains the Golden Pond deposits and possibly the Agnico-Eagle mine.

Information from drilling to-date suggests a steeply dipping, tabular massive sulphide deposit striking east-west. The discovery hole, spotted approximately 400 ft south of the north Golden Hope boundary cut a 35.1 ft section grading 0.2 oz gold - 21 -

per ton and 9.15 oz silver with high copper and zinc values (Northern Miner, December 2, 1985).

Drilling is being concentrated on two weakly conductive zones which probable represent a common horizon. The western part of the conductor has a strike component of more than 600 meters, while the eastern part extends for approximately 1,100 meters. Both are separated by a narrow gap occupied by a magnetic high which appears to represent a cross-cutting diabase dyke emplaced along a fault.

Thin section studies of the first core are indicated to reveal a quartz-sericite schist in the hangingwall and a volcaniclastic sediment comprising the footwall. These horizons form a thin but persistent unit in an environment generally characterized by mafic to intermediate volcanics.

Of importance to other exploration in this area in the fact that Teck drilled an extremely weak, albeit discrete, airborne conductor. A similarity to the Selbaie discovery is suggested in this regard.

Recently released figures based on extensive drilling indicate 2.4 million tonnes at 0.14 oz Au/T, 3.5 oz Ag/T, 0.84% Cu and 7.7% Zn (Northern Miner, June 6/86). The gold values are particularly noteworthy.

(f) Matagami Camp The first discovery and still the largest deposit (approximately 25 million tons) in the Matagami Camp is the Matagami Lake massive sulphide base metal deposit discovered in 1957. The deposit was found in follow-up to airborne geophysical surveys flown in 1956. A number of other massive sulphide deposits (12 in all) were found

over a three township area, subsequent to the main discovery, inclu- - 22 - ding the Orchan, Norita, New Hosco, Bell Allard, Radiore A, Radiore B, Bell Channel and Garon Lake. At least five of the deposits became producing mines.

The Matagami Lake mine has been in production since 1964. In the year to December 31, 1985, the Matagami Lake mill treated 1,208,000 tons of ore to produce 9,453 tons of copper, 42,325 tons of zinc, 250,000 oz silver and 4,044 oz gold. Reserves at the main Matagami Lake Mine at December, 1985 were indicated to be 1,805,00() tons grading 0.42% Cu, 4.86% Zn, 0.60 oz Ag/ton and 0.01 oz Au/ton. There is no production from most of the other smaller deposits, at this time. Some of the smaller deposits have been mined out (e.g. Bell Allard [production: 258,124 tons at 9,30% Zn, 1.15% Cu, 1.08 oz Ag/ton and 0.012 oz Au/ton). Noranda Mines has controlled most of the production from this camp.

A major new discovery was reported by Noranda in October, 1985 on the Isle-Dieu Matagami Mine property, 1.5 km west of the Matagami shaft. The discovery hole (N. 85-2) gave 18 ft (1702-1820 ft) of 0.59% Cu, 26.36% Zn and 1.78 oz Ag/ton. Hole No. 85-3 gave 43.6 ft (1370-1413.6 ft) of 0.65% Cu, 27.51% Zn and 3.20 oz of Ag/ton and 14.6 ft (1583.4-1598 ft) of 0.93% Cu, 19.93% Zn and 1.03 oz Ag/ton.

In April (Northern Miner; April 21, 1986) Noranda announced a hole (86-29) which intersected 104.8 ft (1705.4-1810.2 ft) of 1.08% Cu, 31.94% Zn and 3.92 oz Ag/ton and 18.3 ft (1571.1-1589.4 ft) of 19.3% Zn and 3.07 oz Ag/ton. This hole underlines the fact that significant new discoveries can be made even within the heart of a major mining camp.

District geology is described by MacGeehan et al (1981).

The Matagami mining district lies 150 km north of Noranda, Quebec on the north side of the Abitibi Greenstone belt in the - 23 -

Superior Province of the Canadian Shield. A series of twelve pyrite-pyrrhotite-sphalerite-chalcopyrite-bearing massive sulphide deposits occur clustered within a major Archean volcanic centre composed of a bimodal suite of basalts and rhyolites intruded by contemporaneous gabbro dykes and sills and underlain by the Bell River Igneous Complex, a high-level, sub- volcanic layered gabbro-anorthosite pluton. This assemblage of volcanic rocks, stratiform sulphide deposits and contemporaneous intrusions was then metamorphosed to the greenschist facies and folded into a westward-plunging anticlinal structure. The Bell River Igneous Complex occupies the core of the anticline and is flanked by volcanic rocks on either limb. A series of granitic rocks were intruded at a later date. There is poor outcrop in much of the district, and the geology has mostly been established from drill-core correlation, geophysical interpretation and underground mapping in the mines.

On the south limb of the anticline, the massive sulphide deposits, including the Bell Allard, Orchan and Matagami Lake mines, are all located at or toward the base of the 'key tuffite', a thin semi-continuous mixed cherty tuffaceous unit traced for over 10 km on strike along a rhyolite-andesite contact. Sharpe (1968) divided this stratigraphy into the rhyolitic Watson Lake Group, underlying the 'key tuffite', and an overlying Wabassee Group, composed predominantly of basalt and andesite, but including several rhyolitic units, one of which overlie the 'key tuffite' at the Orchan Mine.

On the north limb of the anticline these stratigraphic subdivi- sions cannot be recognized, mainly because the 'key tuffite' is not present. However, the volcanic stratigraphy there includes seven basalt units, a pillowed feldspar porphyry (FP) and three rhyolite flows. Most of the sulphide deposits are associated with the Norita and Bell Channel rhyolites at the base of the - 24 -

exposed volcanic succession, but the Garon Lake deposit is developed above the stratigraphically higher Garon Lake rhyolite. Above this mineralized rhyolite-basalt sequence, and extending to the known top of the belt, is a thick section of mainly pillowed basalt, loosely termed the 'Wabasee Group' cut by numerous sills of similar composition. No ore deposits have been found in this sequence to date.

Petrographic studies and chemical analyses of the basalt--rhyolite sequence on the northern side of the camp show the volcanic rocks to be of tholeiitic affinity. The basalts are iron- rich, low-potassium tholeiites, and the rhyolites are quartz- rich (75% Si02), but oligoclase-normative, tholeiitic rocks termed dacite in some classification systems. Most of the volcanic rocks associated with mineralization were hyrdothermally altered during sub-seafloor geothermal activity. The basalts were spilitized, silicified and bleached to rocks of andesitic or dacitic appearance, and the rhyolites frequently chlorit- ized. However, the primary nature of the rocks can be identified from textures and by mapping individual altered flow-units along strike into less altered domains.

La Gauchetière Deposit - Quebec The deposit was found in the early 1970's during follow-up to airborne geophysical surveys in the region west of Matagami by Phelps Dodge in La Gauchetière Township. The deposit is now owned by Noranda.

The deposit is indicated to be a stratiform, volcanogenic, massive sulphide zone in felsic volcanic rocks. Drill indicated reserves as of 1979 were 1,700,000 tons at 1.1% Cu, 4.9% Zn and 0.48 oz Ag/ton with minor gold. Production was planned for 1982 but has been postponed for some time. - 25 -

4.3 Exploration Models From the foregoing deposit descriptions, the probable types of gold or gold/base metal deposits which can be expected in the area and which serve as models to guide exploration are:

(a) stratiform/stratabound deposits + sulphides, quartz vein zones, graphite, oxide iron formation in mafic volcanic environments (Detour mine) or in felsic volcaniclastic-tuffaceous-sedimentary environments near volcanic contacts (Golden Pond).

(b) massive and stringer sulphide gold deposits without base metals (Agnico-Eagle mine) or with base metals (Selbaie mine and Estrades deposit) in a generally felsic volcanic-sedimentary environment.

The following models are also considered prospective in the area:

(c) Structurally-controlled, intrusive-associated, quartz stockwork types of deposit localized along the margins of or within intermediate to felsic plutons. Such deposits are well repre- sented in the Val d'Or area to the southwest.

(d) Disseminated gold deposits associated with carbonated, pyritic mafic volcanics. Such deposits are important sources of gold ore elsewhere in the Abitibi, noteably, in the Timmins area (Owl Creek mine, Dome mine).

The present geophysically oriented program was designed to principally explore for the first two deposit types. Such deposits would be expected to be detected as conductive + magnetic targets.

4.4 Property Geology In view of the minimal bedrock exposure, the geology of the properties remains substantially speculative and is based primarily on -26 - limited previous diamond drilling, and airborne and ground geophysical surveys.

The main New Ridge property in Enjalran Township is interpreted to be underlain by a mafic to intermediate volcanic sequence (V5-Figure 3) with a peridotite body (4P) in the southeast. Tops in the volcanics are indicated to be to the north implying that the property is on the south limb of a major regional syncline, the axis of which passes to the north of the property.

The volcanics are intercalated with frequent sedimentray bands containing conductive graphitic or sulphidic horizons and magnetic iron formations. This combined unit has a consistent east-southeast strike as indicated by the geophysical trends.

The geology of the two smaller claim groups east of the Turgeon River is also indicated to consist of a similar mixed sequence of intermediate-mafic volcanics and conductive interflow sediments. Dioritic or gabbroic intrusive is reported at the northern boundary of the Turgeon River block.

North-south trending cross faults with generally small displacements have been identified on the geological maps and have also been noted in the interpretation of ground geophysical data.

The results of the Input survey flown by the Quebec government define several bands of multiple conductors which extend across the main property, together with several isolated but adjacent anomalies. The overall trend of conductors is east-southeast (Figure 4). Portions of similar conductive zones are found on the two smaller claim groups.

The geophysical interpretation indicates that major, composite zones

comprising oxide iron formation and interflow graphitic-sulphide - 27 -

(pyrite/pyrrhotite) sediments cross the claims. Such an environment, as mentioned previously, is known to be highly permissive for gold deposits in this part of the Abitibi.

4.5 Glacial Geology The surficial geology of the properties consists principally of glacial, fluvio-glacial and lacustrine unconsolidated sediments derived from several episodes of glaciation.

Glacial landforms and striae in the area suggest that two lobes of the Laurentide ice sheet coalesced in the Joutel area during the late Wisconsinan. A younger Hudson Advance from the northwest appears to have collided with a retreating Nouveau Quebec lobe from the north-northeast. The so called "Matagami esker" which passes to the east of the present property is now recognized as an interlobe moraine which marks the broad area of coalescence. This north- trending feature is of regional proportions and extends for some 100 km or more.

Till deposits of the older advance (Lower Till) from the north- northeast are well preserved in bedrock depressions beneath younger deposits (Matheson Till or Upper Till) derived from the north-northwest glaciation. The presence of a number of even older pre--Wins- consinan tills has been alluded to by workers in the region although their origin and distribution remains uncertain.

In many cases two complete glacial sections consisting of upper sediments (usually lacustrine clays) with underlying clastic sections are present. It is of course absolutely essential to be able to differentiate between the tills of the two glaciations. The one key distinguishing factor of the Upper Till is the presence of limestone clasts derived from the Paleozoic terrain of the Hudson Bay Low- land. - 28 -

It is also our, experience in some parts of this area that the earl- ier advance was particularly erosive and formed well defined disper- sion trains, while the younger glaciation was characterized by ice that was often not in contact with bedrock and did little more than disrupt existing patterns.

The Cochrane Till, a clay-rich till which incorporated and overlies upper lacustrine clays was formed by late ice-advance from the north-northwest. The Cochrane ice did not advance as far to the southwest as the Joutel area. Cochrane tills are generally restricted to the northwest portion of the Casa Berardi-Selbaie area. - 29 -

5.0 PREVIOUS WORK

The township of Enjalran has received comparatively little exploration for gold and base metals in the past.

Early exploration was hampered by the very minor extent of outcropping bedrock. Since the advent of airborne EM the area has been flown with several systems but sedimentary character indicated by the long, multiple conductors has caused explorationists to downgrade the potential for classical volcanogenic massive sulphide deposits.

5.1 Assessment Work The following is a summary of previous mining work, particularly diamond-drilling, on and in the area of the property as gleaned from assessment files in the offices of the Ministere de l'Énergie et des Ressources, Rouyn, Quebec.

Drill holes and significant EM conductors have been compiled in Map 1, guided by the Quebec government Geoscientific Compilation Map for Enjalran and adjacent Carheil Townships. Some of the more interesting results are highlighted in Figure 4.

Much of the following work was carried out off the present property area. Descriptions are, however, included here as we feel the results are pertinent in the context of further exploration on the Petromet-New Ridge ground.

Dome Exploration (Canada) Ltd. in 1975-76 carried out a major program of ground EM surveying and diamond drilling on a 63 claim block straddling the Turgeon River in Enjalran Township. Dome still retains part of this property. The two smaller New Ridge claim blocks east of the Turgeon River encompass part of and/or abut the Dome property. -30 -

Drilling was carried out on 6 EM zones from north to south, east of the Turgeon River as follows:

ZONE HOLES A 1 (94B-3) B 1 (94B-12) C 5 (94B-0,2B,11,4,5) D 1 (94B-1) E 2 (94B-8,6) F 2 (94B-9A,7)

Conductivity is due to variably graphitic, sulphidic-cherty iron formation and graphitic sediments/tuffs. All gold assays returned nil to trace values. Minor chalcopyrite + sphalerite was occasionally noted. The best intersection was 1.25% Cu over 0.76 m (hole 94B-2B). Several of the other holes had lesser copper intersections. The overall environment would appear to be relatively copper-rich.

Of interest, most of the holes intersected variable amounts of quartz + carbonate veining in the rocks.

Noranda Exploration Co. Ltd. in 1976 drilled a single hole on a long formational conductor directly to the northwest of the above Dome block. The hole (ENJ-76-2) is summarized as follows:

0 - 60 ft: Overburden (@-55°) 60 - 318 ft: Basic-intermediate intrusives 318 - 450 ft: Intermediate volcanics with cherty tuff bands containing graphite and pyrite/pyrrhotite (particularly 364-394 ft.) - 31 -

A hole drilled by Selco Exploration Co. Ltd. in 1959 on the south shore of Lac Lalonde on the main New Ridge property on an EM conductor intersected a completely sedimentary environment (DDH Victor 1) consisting of greywacke and argillite with the conductivity due to barren sulphide bands.

No assays are reported.

The Korich Mining Company Ltd. in 1960 drilled 8 holes on EM/magnetic features on a property straddling the Turgeon River in southern Enjalran Township. Conductivity was due to black graphitic tuffs with a number of holes intersecting magnetite-bearing gabbro. Holes 6, 7 and 8 in particular, were mainly or entirely in diorite/gabbro and contained numerous quartz-sulphide veins.

No gold assays were reported.

Selco Exploration Co. Ltd. in 1959, as part of a bigger project in the area, completed 4 drill holes on EM targets on a property straddling the Enjalran-Carheil Township line (holes JIG-1,2,5,6).

Conductivity in general was due to pyrite and pyrrhotite zones in volcanics. Traces of chalcopyrite were noted locally.

Of possible interest in a gold exploration context, intense carbonate alteration if described in "fine-grained greenstone" in hole JIG-1. Also, hole 5 contained 25 ft of "massive pyrite in silicified residual rock". Similar rocks are reported in hole 6.

No assays are reported.

Area Mines Ltd. in 1962 drilled 2 holes on EM conductors midway between Lakes Enjalran and Freniere in southeast Enjalran Township - 32 -

(holes 44-1, 44-2), southeast of the Petromet-New Ridge property.

The holes are summarized as follows:

Hole 44-1 0-18 f t : Overburden (at -52°) 18-27 f t : Rhyolite 27-122 ft: Diabasic lava 122-270 ft: Rhyolite tuff and breccia with "strong py, minor po and cp from 119-200 and, from 234-270, graphite" 270-350 ft: Diabase

Hole 44-2 0-50 ft: Overburden (at -52°) 50-100 ft: Rhyolite,rhyolite tuff; minor py,po,graphite 100-135 ft: Greens tone 135-142 ft: Massive pyrrhotite 142-360 ft: Rhyolite/greenstone + py,po,gf

This felsic setting is of exploration interest in particularly a base metals context.

No assays are reported.

Noranda Exploration Co.Ltd. in 1964-65 drilled 2 short holes (TE-2, 3) immediately east of the Turgeon River on the property that was later tested by Dome as described above.

In particular in hole TE-2 pyrite/pyrrhotite and minor chalcopyrite and sphalerite in rhyolite are recorded.

No assays are reported.

- 33-

Abitibi-Price Mineral Resources Ltd. in 1984 carried out a major program of ground geophysical surveying and diamond drilling (13 holes) on a large property holding in Enjalran-Carheil Townships. The easternmost claim block presently held by Petromet-New Ridge was covered by previous Abitibi-Price grid 3. Their hole 84--8 was drilled just south of the southern boundary of the above block.

All EM conductors of interest were explained by the drilling. All of the holes intersected mafic volcanics with conductive zones consisting of graphite and/or graphite + pyrite-pyrrhotite rich interflow sediments. No ore grade concentrations of base or precious metals were found although anomalous values in the 0.01 to 0.03 oz gold per ton range were encountered in several holes.

Drill results are summarized by Abitibi-Price as follows:

D.D.H. Depth Comments

DL 84-1 117.95 m Mafic volcanics with conductive zones of graphitic interflow sediments with up to 10% py-po and traces cpy. Best assay 0.005 oz/ton Au over 1.25 meters.

DL 84-2 115.82 m Mafic volcanics with conductive zone of graphitic interflow sediment with 10- 25% py-po and traces cpy. Traces Au only.

DL 84-3 107.28 m Mafic volcanics with conductive zone of graphitic sediment with 10-25% py. Best assay 0.01 oz/ton Au over 0.61 metres. - 34 -

D.D.H. Depth Comments

DL 84-4 120.69 m Mafic volcanics with conductive zone of graphitic interflow sediment with 5-20% py. Some magnetite-chert iron formation underlying conductive zone. Best assay 0.02 oz/ton Au over 1.34 metres.

DL 84-5 122.22 m Silicified mafic volcanic with conductive zone of graphitic interflow sediment with 5-15% py-po and traces cpy. Best assay 0.005 oz/ton Au over several sections.

DL 84-6 152.39 m Mafic pillow lava to massive flows with abundant thin zones of inter-pillow calcite-chert-py-po. Traces cpy. Traces Au only. Conductor not satis- factorily explained.

DL 84-7 121 m Silicified mafic volcanic, partly pillowed, with conductive zone of graphitic interflow sediment with 1020% py. Minor iron formation. Best assay 0.005 oz/ton Au over several sections.

DL 84-8 105.76 m Massive gabbroic intrusive with conductive zone of graphitic sediments with up to 50% py and traces sphalerite. Best assay 0.005 oz/ton Au over 3 .05 metres.

- 35 -

D.D.H. Depth Comments

DL 84-9 91.44 m Mafic volcanic with frequent bands of magnetite-chert iron formation. Con- ductive zone of graphitic shale with 20-25% po-py. Best assay 0.01 oz/ton Au over 1.99 m.

DL 84-10 106.67 m Mafic volcanic with frequent bands of chert-magnetite iron formation. Con- ductive zone of graphitic interflow sediments with 5-10% po. Best assays 0.02 and 0.03 oz/ton over 1.52 and 1.46 metres respectively.

DL 84-11 90.83 m Gabbro and mafic volcanic with conductive zone of graphitic sediments and fault zone with 15-25% py. Traces Au only.

DL 84-12 84.73 m Same conductor as DL 84-6. Mafic pillow lava. Conductive zone caused by abundant thin po-py-chert-calcite inter-pillow zones (maximum 0.64 m of 70% py) . Traces cpy. Best assay 0.01 oz/ton Au over 1.53 metres.

DL 84-13 106.67 m Mafic volcanic with conductive zone of graphitic interflow sediments with 20- 30% py-po. Best assay 0.005 oz/ton Au over several zones. -36-

5.2 INPUT Survey A key facet of the existing exploration data base in the region is the airborne geophysical surveys (Mark VI INPUT and magnetics) flown by Questor Surveys for the Quebec government and released in 1973-1974. Results of these surveys in the property area are presented as Figure 4.

There are a large number of INPUT anomalies on the properties. These generally represent portions of major regional conductive zones which extend considerably further to the east and west beyond the property boundaries. The long INPUT conductors are generally interpreted to be reflective of graphitic and sulphidic interflow sedimentary zones in light of previous drill results.

Linear magnetic highs spatially associated with the INPUT zones are interpreted to represent oxide iron formation. Note that the INPUT conductors do not coincide with the magnetic anomalies indicating geologically different sources in most cases.

5.3 Geochemical Surveys The Quebec government released in 1983 the results of a regional soil sampling program covering 6,000 sq km in this section of the Abitibi (Pedogeochimie de la Region de Brouillon, M. Baumier, Report DP-83-10, Ministere de l'Energie et des Ressources, Quebec). Samples were taken of surficial humic materials at a density of 1 per 2.5 sq km and were analyzed for Cu, Zn, Pb, Ni, Co, Mn, V, Mo, Hg, As and L.O.I.

No strongly anomalous values in Zn, As and Cu were reported on the New Ridge properties. Microfilm

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6.0 SURVEY PROCEDURES

6.1 Magnetometer Survey Magnetometer surveys represent a long-established geophysical technique providing useful information pertinent to the detection and delineation of magnetic lithologic units and mineralization.

A variety of instrumentation has been developed over the years to match the varied objectives and environments in which magnetic surveys are undertaken; these include airborne, ground and drill-hole applications.

For mineral exploration, ground surveys are typically carried out with proton precession magnetometers measuring variations in the total intensity of the earth's magnetic field. Such variations can be interpreted to determine the probable configuration of the causa- tive magnetic source and its magnetic susceptibility.

Magnetic surveys in Precambrian metavolcanic terrains for gold and base metal deposits generally provide information as to magnetic sources that may be associated with conductive EM targets and help characterize distinctive lithological units and structural disruptions.

The use of digitially recording field and base station magnetometers serves to ensure high quality, drift-free compiled data, which is usually displayed in contoured form.

6.2 Horizontal Loop EM Survey The horizontal loop electromagnetic method constitutes a much•-prac- ticed technique for detection of conductive mineralization and lithologies. - 39 -

The basis of the technique consists of measurement of the changes in EM coupling between two horizontal coils maintained at a fixed separation and specified frequency. These departures in the in-•phase and quadrature components are typically recorded as a percent vari- ation from a nulled setting.

Current instrumentation, exemplified by the Apex MaxMin series of HLEM instruments, enables accurate measurement of such variations at 5 or more frequencies.

The HLEM technique is generally susceptible to throrough quantita- tive analysis in terms of conductor geometry and conductivity. This analysis enables identification of the characteristics of tabular bedrock conductors arising from sulphide or graphite sources. Such sources can generally be distinguished from conductive overburden. However, weakly conductive bedrock sources (such as faults and shear zones) can yield responses substantially similar to narrow troughs of conductive overburden. IP/resistivity surveys provide a means of resolving such ambiguities.

Data is normally presented as stacked profiles for the in-phase and quadrature values with a separate plot for each frequency. - 40-

7.0 DATA ACQUISITION

Prior to commencing the geophysical surveys on the main claim block in Enjalran Township, a cutline grid totalling 107 km was established over the entire property. Initially, a baseline oriented 120° was established with crosslines turned off at 100 meter intervals. The cross lines were chained and picketed at 25 meter intervals. The survey grids and topographic information together with the claim locations were then compiled to constitute base maps at a scale of 1:2,500. For convenience, the large grid extending from 32+00W to 20+00E has been divided into two base maps, designated west and west-central sheets, as shown in Figure 2.

The geophysical program consisted of magnetometer and MaxMin horizontal loop EM surveys carried out over the entire grid, primarily directed at confirming and defining conductors indicated by the prior Input AEM survey.

The magnetic survey was executed with an EDA PPM 350 total field magnetometer with digitally records total field values to + 1 nT. Stations were recorded at 25 meter intervals. An EDA PPM 400 base station magnetometer located at the base camp at 3+75N on line 1+00E was utilized in conjunc- tion with the field magnetometer to record and enable correction for the diurnal variations. A total of 101.7 km of magnetic survey was completed on the property.

The HLEM survey was carried out with an Apex Parametrics MaxMin II instrument measuring the in-phase and quadrature components of the secondary electromagnetic field at a station interval of 25 meters.

Reconnaissance coverage was carried out with a 150 meter coil separation at frequencies of 444 and 1777 Hz, plus partial coverage at 3555 Hz. Selected detailed coverage with a 100 meter separation at 444 and 1777 Hz was then completed. A total of 101.7 km of reconnaissance MaxMin survey was completed on the property. - 41 -

On the smaller Turgeon River claim block, geophysical surveying was restricted to check MaxMin HLEM surveys on a prior grid, intended to con- firm the previously indicated conductive horizons in an efficient manner.

These check surveys were conducted with 100 or 150 m coil separations as appropriate and frequencies of 444, 1777 and 3555 Hz.

The limited area surveyed in this fashion is designated Area 1/Dome Grid.

Complete instrument specifications are presented in Appendix A.

Data acquisition was carried out by a MPH geophysical crew under the direction of Martin Kratochvil, Senior Technician. Other members of the crew included:

Diana Bradley, B.Sc., Geophysicist Kevin Lund, B.Sc., Geophysicist John Foster, Technician Andrew Kamo, Technician Mike Emond, Technician Graham Stone, Technician Claudia Wilk, Technician Robert McFie, Technician

Logistics were co-ordinated in the field by Derrick Hall, senior geophysical technician. The geophysical program was under the overall direction of Dave Jones, P.Geoph. and Vice-President, MPH.

The magnetometer and HLEM surveys were completed over the period March 21 to April 7, 1986. -42-

8.0 DATA PROCESSING AND PRESENTATION

The raw magnetometer data have been corrected for diurnal variations by subtracting the value recorded simultaneously at the base station from the traverse value. The corrected values were then plotted in the field in the form of strip charts and subjected to preliminary contouring to enable assessement of data in the field as well as to identify any possible problems.

After checking and editing, the corrected total field magnetic values have been plotted in final plan form on the base maps at a scale of 1:2,500 and approximately contoured as seen in Maps 2 and 3. Superim- posed on the contoured magnetic features are the interpreted magnetic sources and structural aspects. The sources, which are dominantly narrow and linear, are distinguished as to low, moderate or high susceptibility.

The in-phase and quadrature MaxMin readings were converted into digital files in the field and plotted in profile form in preliminary fashion using a portable micro-computer.

The in-phase and quadrature HLEM readings are presented in annotated profile form at a profile scale of 1 cm = 10%, comprising Maps 4-10, as shown in the table below. Conductive features are identified on each of these plans and characterized as to the quality of the discerned anomaly, with the more important zones given a numerical designation. Selected anomalies have been quantitatively analyzed in terms of a thin conductive sheet.

- 43 -

TABLE 1

Geophysical Maps

Enjalran Township: Compilation 1 1:10,000

West West-Central Sheet Sheet Scale Claim Block #1 (Main) Magnetics 2 3 1:2,50 MaxMin: 150 m 444 Hz 4 6 1:2,500 1777 Hz 5 7 1:2,500

MaxMin: Detail 444 Hz 8 1:2,500 1777 Hz 9 1:2,500

Claim Block #2 (Turgeon River) Check MaxMin Surveys: Block #2: Area 1/Dome Grid 10 1:2,500 -44-

9.0 GEOPHYSICAL RESULTS

9.1 Claim Block #1 (Main) 9.1.1 Magnetic Survey As seen in Maps 2 and 3, the contoured ground magnetic data for the main claim block display a series of strong to very strong linear anomalies which extend with varying degrees of continuity across the entire grid. The dominant trend of these prominent, undoubtedly stratigraphic anomalies is effectively (grid) east-west, although locally trends may vary from west-southwest to west-northwest.

On the basis of the magnetic characteristics, the survey area has been divided into three magnetic domains.

Domain I is characterized by strong, persistent linear anomalies accompanied by a series of parallel, lower amplitude linear features. This domain has in turn been subdivid- ed from north to south into subdomains IA, IB and IC on the basis of the prominent magnetic marker horizons.

The long, very strong linear anomalies are most probably magnetic iron formation, while the lesser anomalies paralleling the dominant magnetic trends could reflect lean magnetic iron formation or slightly magnetic horizons within a environment of mixed mafic tuffs and sediments.

The magnetic features suggest a structural regime for domain I characterized by crossfaulting which has only modestly disrupted the magnetic trends.

There is a fold nose clearly indicated near 18+00W, 3+OOS. The magnetic pattern clearly indicates the nose of a fold, open to the east. Attitudes of the magnetic anomalies - 45 - suggest a west-plunging anticline. This would imply that the stratigraphic units lying to the north and south of domain I are equivalent and younger than domain I.

In subdomain IB, a major shear zone is inferred to exist along the southern margin of the (northern) strong magnetic anomaly as indicated by a evident disconformity of magnetic trends. As will be discussed below under the MaxMin results, this shearing may have occurred within a long, probably graphitic stratigraphic conductor that follows this trend.

Depths to magnetic sources are dominantly in the range of 25 to 50 m. In a few areas (such as near 4+OON in the north- central portion of the west-central sheet) anomalies of restricted extent indicate that overburden is locally less than 25 m.

Domain II, which occupies the northern, western and southwestern portions of the survey has a bland magnetic character lacking in any prominent magnetic anomalies. This pattern is consistent with non-magnetic mafic or intermediate tuffs or sediments. These non-magnetic lithologic units are inferred to be folded in a manner consistent with the west- plunging anticline interpreted in domain I.

Domain III, which forms the southeastern portion of the survey area, is characterized by considerably higher average magnetization, within which are found several strong, linear anomalies.

This change in average magnetization and character is consistent with a transition to a major sequence of banded iron formations or to a considerably more magnetic unit of gabbroic intrusives with interspersed highly magnetic - 46 -

horizons. Geologic information supports the latter explana- tion as the more probable.

9.1.2 MaxMin Survey As seen in Maps 4, 5, 6 and 7, the MaxMin survey on the main property disclosed a number of long, strong, definite bedrock conductors which exhibit considerable lateral persistence. These zones display strikes ranging from east-west to west- northwest in a manner generally coherent with the accompanying magnetic trends.

Most conductors are equally identifiable in both the 444 and 1777 Hz data. Certain weak anomalies are more visible in the 1777 Hz data, although in places the quadrature response has been affected by conductive overburden.

Average conductor attitudes appear to be nearly vertical while depths fall in the general range of 25 to 50 m.

The more significant conductors, designated zones A through H, will be discussed briefly below.

Zone A is a long, strong definite bedrock conductor delineated in the present survey as extending from line 19+00W near 1+OON in a east-northeast direction as far as line 4+00W near 5+50N. A probable continuation is glimpsed on the northern end of line 0+00 near 6+50N.

In addition there are two spatially associated discrete conductors, zones Al and A2, which lie along the same general trend but which appear not to be a direct part of zone A. - 47 -

Zone A is apparently disrupted or faulted near line 16+50W so that its western end exhibits a slightly different trend and a modest offset from the main portion of the conductive feature.

Zone A is consistently associated with a prominent, strong magnetic anomaly which lies immediately to the north of the conductor. Thus, the conductive zone is undoubtedly a graphitic horizon, possibly accompanied by pyrite, in a sedimentary environment which contains a banded iron formation.

The apparently faulted western segment of zone A lacks the magnetic association that characterizes the bulk of zone A, indicating a change in geologic environment. It is specu- lated that this reflects intrinsic differences present during the formation of the carbonaceous and chemical sediments.

Zone Al in the present survey is limited to a probable bedrock conductor detected on line 3+00W near 5+OON, where it has no accompanying magnetic anomaly. The conductor may be part of a somewhat longer feature that could extend several hundred metres to the east where no coverage was obtained in the present survey.

Similarly, zone A2 appears to he a weak but probable bedrock conductor defined on lines 3+OON and 4+OON, also located south of the magnetic trend associated with zone A.

The two HLEM anomalies constituting zone A2 define a trend of northeast. This unusual strike is at variance with the average magnetic trend for this sector so that it is possible that these anomalies reflect two separate conductive zones that are geologically distinct. -48 -

These lesser zones Al and A2 could reflect narrow, weak graphitic horizons in a geologic setting similar to the main zone A.

Zone B is a long, moderate to strong, definite bedrock conductor extending (except for an interruption on line 11+00E) from line 13+00W near 3+00N in an easterly direction as far as line 20+00E.

The gap on line 11+00E between segments of zone B corresponds to the location of an interpreted north-trending diabase dyke as well as a possibly associated fault system. This may well account for the evident weakening in the conductive response at this location.

As analyzed on several lines, the conductor exhibits dips varying from 80°N to vertical, depths ranging from 23 to 30 m, and conductivity-thicknesses from 8 to 25 mhos.

Zone B has no magnetic association consistent over its entire length and indeed is reasonably described as being non- magnetic. Locally, however, there are several restricted magnetic anomalies that appear to be associated with portions of zone B, such as on lines 10+00W and 11+00W as well as on line 16+00E.

Thus zone B is most likely a dominantly graphitic conductor, perhaps containing some local concentrations of pyrrhotite.

It will be noted that towards the west zone B converges with zone A. This convergence is similar to that shown by the accompanying magnetic trends and is interpreted as reflecting a distinct unconformity related to shearing associated with the graphitic conductive zone A. -49-

Zone C is a long, strong, definite bedrock conductor that extends continuously from line 18+00W near 6+50S in a southeast direction to 11+00W near 10+00S. Weaker questionable anomalies to the northwest and southeast form possible exten- sions of this trend. Following a gap of several hundred meters, zone C is interpreted to continue further to the southeast as far as 3+00W near 12+25S. Local changes in strike and interuptions may indicate small-scale cross faults.

Conductor attitudes are largely vertical and conductivity- thicknesses are generally low to moderate. The eastern sector of zone C shows considerably stronger amplitudes and higher conductivity-thickness as analyzed on line 4+00W. Here the conductor is interpreted as having a dip of 90°, a depth of 26 m and a conductivity-thickness of 19 mhos.

Zone C parallels a strong, persistent magnetic horizon located approximately 125 m to the north. Hence, the conductor is most probably a graphitic horizon in a mixed volcanic-sedimentary environment.

In surveying this area a very recent DDH completed by an unknown party was noted on line 3+00W near 12+OOS. This hole, whose results are unknown, probably tested zone C.

Zone CC, located to the northwest of zone C, is defined by weak, suspect responses extending northwest from line 21+00W near 2+OOS to line 23+00W near 0+50S.

The responses exhibit very low conductivity-thickness and are most consistent with an overburden source. This inference is supported by the strike of zone CC which is inconsistent with average magnetic trends in this area. - 50-

Zones D1 and D2, located in the south-central part of the survey, are two segments of a discontinuous conductor that extends from lines 17+00W near 4+25S southeast to line 4+00W near 10+00S, with an intervening gap of several hundred meters.

Individual anomalies forming zones D1 and D2 are weak and suspect with low conductivity-thicknesses; hence on an individual basis they would be reasonably considered to be conductive overburden responses. However, the conductor trend is closely associated with a strong magnetic anomaly. Consequently, zones D1 and D2 are considered possible bedrock conductors whose response may indicate a poorly conductive iron formation.

MaxMin zone E is a long, strong definite bedrock conduct- or extending in the present survey from 5+00W near 5+OOS easterly to line 12+00E near 3+50S.

As analyzed on selected lines, the conductor exhibits a generally vertical attitude with depths in the range of 30 m and conductivitythicknesses between 10 and 25 mhos. The conductivity-thickness is noteably poorer at the eastern extremity.

Zone E is generally congruent with the associated magnetic trends although the conductor itself lacks any consistent magnetic correlation. On lines 3+00W and 4+00W there is a local magnetic anomaly coincident with this portion of conductor E.

The combined characteristics of zone E suggest that it is probably caused by a long graphitic conductor with the - 51 - possibility of some intermixed magnetic pyrrhotite at its western extremity.

Zone F, like zone E located several hundred metres to the south, is a long, strong definite bedrock conductor. In addition, zone F1 most probably represents a western continuation of zone F.

Zone F is defined in the present survey as extending from line 0+00E near 2+OOS easterly to line 20+00E. The conductor likely continues further east beyond the limits of the present survey. In addition, a definite bedrock conductor on line 2+00W near 2+OOS appears to be a western continuation of zone F separated by a gap of 200 m.

As analyzed on selected lines, zone F exhibits dips ranging from 60° to 90° to the north, depths in the order of 40 m and conductivity-thicknesses between 10 and 70 mhos.

The eastern extremity of zone F in the present coverage is clearly weaker, possibly because of greater depths.

Zone F lies on the southern flank of a co-extensive, strongly magnetic horizon. Thus, the conductor is highly likely to be caused by a long graphitic horizon lying south of a banded iron formation.

Zone Fl, the probable westerly extension of zone F, is characterized by weak to moderate responses of poor to fair conductivity-thickness. The zone as a whole is judged to be a probable bedrock conductor. - 52 -

Zone F1 extends in the present survey coverage from 4+00W near 1+50S west-southwesterly to 9+00W near 2+50S. In addition, there is a series of weak, suspect anomalies further to the west that may constitute an attenuated western extension of zone F1.

Zone F1, like zone F to the east, lies on the southern flank of a strong magnetic horizon. The zone is consequently judged to most probably be a graphitic horizon in a sedimentary environment also containing banded iron formation.

Zone FF, a weak zone that may be in some way related to zones F and F1 to the east, is identified in the present survey by a series of suspect responses extending from line 15+00W near 2+OOS easterly to line 18+00W.

Individual responses constituting zone FF are uniformly weak and exhibit characteristics typically associated with conductive overburden.

However, zone FF is closely associated with a strong magnetic horizon, and is in fact coincident with this anomaly of lines 16+00W and 17+00W. Hence this conductive feature is considered a possible bedrock conductor that could reflect a very weakly conductive iron formation.

In this regard, zone FF bears some resemblance to zone D1 to the south. These zones may in fact represent equivalent horizons on opposite sides of the interpreted west-plunging anticline.

Zone G, detected in the southeastern sector of the property, is defined as extending from line 6+00E near 18+OOS - 53 - easterly to line 10+00E. The zone undoubtedly continues further to the east beyond the limits of the present survey.

As analyzed on line 8+00E, the conductor exhibits a vertical attitude, a depth of 17 m and a conductivity-thickness of 11 mhos.

Zone G lacks any evident magnetic association and hence is a likely caused by a long graphitic horizon or, alternatively but less likely, by a pyritic zone.

A recent DDH completed by an unknown party noted in the course of the geophysical survey may have tested the eastern continuation of zone G. The results of this hole (51-86) are unknown.

Zone H, located in the southeastern sector of the survey, is defined by weak, suspect responses spanning lines 4+00E through 6+00E near 14+50S.

The individual anomalies comprising zones H are all questionable and more likely to reflect conductive overburden than a bedrock source.

However zone H lies on the north flank of a portion of a persistent, moderate amplitude magnetic horizon. Hence it is possible that the conductor could reflect a weakly conductive graphitic or pyritic source adjacent to the probable iron formation.

Zone J is a weak conductor of poor character observed on lines 6+00E through 9+00E near 11+50S. Principally evident as a quadrature response at 1777 Hz, the feature is regarded as a probably overburden conductor. -54-

In addition to the above-described conductive zones, several other possible bedrock conductors are poorly defined at the ends of survey lines. These can be seen at the southern end of lines 12+00W and 13+00W and on the southern end of lines 22+00W through 24+00W. Their characteristics are imperfectly defined by the limited coverage and their location is at or beyond the southern property boundary.

A number of very poor, probable overburden responses were also detected. Of these, the anomalies on lines 10+00E and 11+00E near 5+50N may have some further interest. These two anomalies may be associated with a moderate amplitude magnetic anomaly which in turn may represent a faulted western segment of the prominent magnetic feature associated with conductive zone B; hence it is possible that these MaxMin anomalies may reflect a weak, faulted continuation of zone B.

9.2 Check MaxMin Surveys As seen in Map 10, the check MaxMin survey on portions of lines 64+00 through 72+00W on the pre-existing Dome Grid east of the Turgeon river was successful in reconfirming a definite bedrock conductor on claim block #2 (Turgeon River).

The conductor is indicated to be narrow, dipping steeply to the north, with a moderately high conductivity-thickness. It trends west-northwest and undoubtedly extends further in both directions.

A previous diamond drill hole (94B-9A) on line 68+00W most likely tested the conductor, intersecting a sulphide horizon containing pyrite, pyrrhotite and magnetite with minor sphalerite and chalcopyrite in mafic tuffs. - 55-

An additional response was observed at the western end of line 64+00W. Of weak and uncertain character, it is noted as only a possible bedrock conductor.

9.3 Discussion In the context of exploration for gold deposits, the present setting appears generally analogous to that of the Inco/Golden Knight deposits in Casa Berardi to the south and the Detour Lake deposit to the northwest.

Thus all bedrock conductors, particularly those with associated magnetic iron formation are of interest as targets. Shorter, discrete conductors are also of interest vis-a-vis massive sulphide potential.

Evaluation of such extensive conductive targets for restricted gold mineralization is not readily achieved with conventional diamond drilling. Rather, reverse circulation drilling to obtain geochemical characterization of basal glacial till and upper bedrock at a large number of locations constitutes the most efficient means of determining the potential of the geophysical targets for gold and base metals.

A major reverse circulation drilling program, designed to test most of the definite bedrock conductors, is in the process of completion. The location of the RC drill holes are shown on the compilation Map 1, as well as on most of the individual geophysical plans.

This latter program, which will be the subject to a separate report, has confirmed graphite at a number of locations and has provided an improved understanding of bedrock geology. - 56 -

10.0 00NCLUSIONS

Based on the preceding geophysical results and the compiled previous exploration, it is concluded that the Petromet-New Ridge properties in Enjalr.an Township have a significant potential for gold mineralization, particularly of the type corresponding to the Inco/Golden Knight deposits in Casa Berardi Township and/or to the Detour River deposit.

In particular, it is concluded that:

1. The main claim block has three distinctive magnetic domains demarcat- ing lithologic units within a general mafic volcanic setting. Do- mains I and III have several long, prominent anomalies confidently interpreted as iron formations. The interpreted iron formations in Domain I form a probable west-plunging anticline.

2. Seven probable to definite stratigraphic conductors (A, B, C, E, F, F1 and G) defined by the MaxMin survey occur in close proximity to probable magnetic iron formations, analogous to the Inco/Golden Knight setting in Casa Berardi Township.

Four additional possible bedrock conductive zones (Di, D2, FF and H) constitute secondary targets.

3. On the Turgeon River claim block a definite bedrock conductor recon- firmed by the check MaxMin surveys reflects a known massive sulphide zone incompletely explored by Dome Mines.

4. In the context of gold exploration, the MaxMin conductors and associated magnetic anomalies constitute favourable targets for further evaluation. -57-

11.0 RECOMMENDATIONS

Based on the preceding results and conclusions, a major program of reverse circulation overburden drilling to test the geophysical targets is currently underway.

Recommendations for further work on the claims will be contingent on the results of the above relative to the exploration models for the area.

Respectfully submitted, CERTIFICATE

I, Jeremy Roth of Toronto, Ontario hereby certify that:

1. I hold a Bachelor of Arts degree in Mathematics from Harvard College, Cambridge, Mass., and a Master of Arts degree in Geophysics from Harvard University, Cambridge, Mass.

2. I have practised my profession in exploration geophysics continuously since graduation.

3. I have based conclusions contained in this report on my personal experience in geophysical exploration methods and knowledge of geophysical interpretation techniques.

4. I hold no interest, directly or indirectly, in this property other than professional fees, nor do I expect to receive any interest in the property or in Petromet Resources Ltd. or any of its subsidiary companies.

Toronto, Ontario September, 1986 MPH CONSULTING LIMITED REFERENCES

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