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October 3, 2019
OSINO RESOURCES CORP. (OSI – TSXV, $0.76) Rating: BUY Target Price: C$2.70 REGIONAL SCALE WITH MULTIMILLION OUNCE POTENTIAL
Osino Resources Corp. TSXV:OSI We are initiating coverage on Osino Resources Corp. with a BUY (Currency is C$ unless noted otherwise) rating and a 12-month target price of $2.70 per share. OSI is a 426% Canadian exploration company with assets in Namibia where it has discovered a broad zone of gold mineralization. OSI was created by the co-founders of 255% Auryx Gold Corp. which sold to B2Gold Corp. (BTO:TSX) after advancing the Otjikoto Gold Project in Namibia to a production decision. OSI is focused on $0.76 $2.70 $4.00 advancing its regional scale land package which is adjacent to gold producing mines and which has the potential to host an economic deposit. CURRENT 12 MO TARGET BULL Net Asset Value Per Share $2.70 52 Week Low / High $0.22 / $1.07 INVESTMENT HIGHLIGHTS CAPITALIZATION Basic Diluted Shares Outstanding (M) 67.0 67.0 An emerging gold discovery. Osino’s three projects are along major deep- Market Capitalization ($M) $50.9 $50.9 seated regional fault structures known to host gold deposits. Enterprise Value ($M) $48 Reported Cash Balance ($M) $3.0 Proven team of top tier management. OSI management has a long Reported Debt ($M) $0.0 history of delivering value through discovery, development and M&A. Since FYE: DEC 31 2025E 2026E 2012, management delivered value through two ~$200M exits. Gold Price (US$/oz) $1,400 $1,400 2 Gold Produced (oz) 94,639 94,639 Sizable land OSI has assembled 6,561 km in 3 project areas (22 licenses) Cash Costs (US$ per oz) $540 $540 that encompasses at least 45 exploration targets with the potential to define $603 $608 AISC (US$ per oz) more than one gold deposit. All of Osino’s projects are located in historic Operating CFPS (US$) $0.92 $0.91 gold mining districts and are contiguous to world class gold producing mines Cash At Year End (US$M) $60 $60 PRODUCTION FORECAST and other past producers. Karibib Gold District. Osino’s current focus is on the Twin Hills and 100,0002.5 609 608 1000 Goldkuppe prospects, which are located on a major regional structure 2 607 606 known to host gold deposits. At Twin Hill Central OSI made a discovery of 1.5 750 605 50,000 wide zones of mineralization of up to 189 m grading 0.7 g/t Au, in addition 604 1 500 603 to higher grade shoots that include 17 m at 2.17 g/t and 65m at 1.37 g/t 0.5 250 602 Au.The region, including Goldkuppe, has historic drilling resulting in 7 m at 601 0 - 0 600 9.0 g/t Au, 73 g/t Ag and 4.43% Cu. The Karibib project surrounds the 2026 2027 2028 2029 2030 Navachab Gold Mine, covering 50 km of prospective strike extension. OSI Production#REF! (oz) #REF!AISC (US$/oz)0 0 consolidated the district and discovered significant new gold mineralized systems on strike with Navachab. MAJOR SHAREHOLDERS Management & Insiders (7.7%), Beaty, Ross J. (5.9%), Daun, Otjikoto East Exploration Area. Otjikoto East is contiguous to B2Gold’s Heye Edmund (0.82%), Friedman, Alan Mark (0.61%), Dr. Otjikoto Mine. B2Gold acquired Otjikoto deposit from the current Osino Kohlhase Vermögensve (0.32%), Grayston Capital Invest management team in 2012 in a US$180M transaction. Osino has identified (0.16%) extensive mineralization in an area that has seen little systematic regional DISCLOSURE CODE: 6 scale modern exploration. (Please refer to the applicable disclosures listed on the back page) Within the highly prospective Damara Gold Belt OSI’s efforts could Source: M Partners, Company Information, Capital IQ yield shallow bulk tonnage deposits, having gold grades similar to both neighboring mines that have global resource grades ~1.2 g/t but selectively mining about 1.5 g/t Au. Clean Capital Structure. OSI is supported by institutions, insiders and strategic investors that hold, in aggregate, 55% of the Company. It has minimal dilutive securities outstanding.
Valuation: We are initiating coverage on OSI with a BUY rating and a 12-month target price of $2.70 per share. Our valuation is based on Osino Resources Corp. is led by a proven team of a top tier managers with a record of success in the exploitation of a conceptual resource of 36 Mt grading 1.20 g/t Au and on discovery, project development, financing and M&A a conservative 0.7x NAV multiple, at conservative discount rate of 10% plus and has assembled a land package of 6,561 km2 in corporate adjustments. Relative to the current steady state production at 3 project areas with 45 exploration targets that are Otjikoto Mine our base case assumptions are conservative. We assume an at different stage of advancement within a historic annualized mill throughput rate of 2.5 Mtpa at an average 1.2 g/t Au (relative gold mining district in Namibia. to 3.5 Mtpa, currently mining 1.54 g/t Au at Otjikoto). Company website: http://osinoresources.com
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INITIATION REPORT
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We are using a 10% discount rate for OSI to account for the current stage of development. We are assuming a long-term gold price of US$1,400 per ounce, relative to the spot price of ~US$1,500 per ounce. Our base case scenario results in a project NPV of US$191M NPV10%, utilizing a conceptual resource target of 1.3 Moz recoverable gold grading 1.2 g/t Au. Applying face value asset/liability adjustments of $25M for regional exploration credits, and corporate and exploration expenses of $20M, we derive a NAV of C$3.80/share at a NAV multiple of 1.0x. Until further exploration success is announced, we value OSI on a 0.7x NAV multiple or a target price of C$2.70 per share.
Table 1: Valuation Summary Ne t A s s e t V a lu a t io n Discount $ Million $/Share Target Derivation $/Share Twin Hill Central (100%) 10.0% $191 $2.86 Project NAV $2.86 Multiple 0.7x Project NAV $191 $2.86 $2.00 Exploration Credit $25 $0.26 Adjustments $0.01 Corporate Expenses 10.0% ($20) ($0.30) Target ($/shr) $2.01 Cash $3.5 $0.05 ITM Warrants $0 $0.00 Adjusted NAV $200 $2.87 USD:CAD exchange 1.32 12-Month Target C$2.70 Source: M Partners P/NAV 0.20x Implied ROR 255%
Conclusion: The Company is transitioning from prospecting and evaluating its large land holding to a more focused, systematic and long-term exploration approach to delineate its discovery at Twin Hills. Recent drilling results from OSI’s Twin Hill Central targets have considerably improved our confidence in the project and the Company’s ability to define a high tonnage and moderate grade gold deposit that is similar to B2Gold Corp’s Otjikoto gold mine.
INVESTMENT THESIS Our valuation is based on the Company’s projects’ exploration potential to identify a large tonnage and multimillion-ounce deposit similar to the mines currently operating in and around Osino’s project areas. Like Otjikoto and Navachab, as an example of disseminated orogenic gold deposits, the potential to identify deposits of large tonnage that contain shoots of higher-grade gold in sulphide rich (including pyrrhotite) lenses is suggested by current and historic exploration works in the project areas. We expect management to reproduce their success with Otjikoto and outline at a minimum a 2 Moz Au deposit.
Osino’s projects are at various stages of development, as such there is still significant work ahead on some of the targets. However, a discovery has been made on the main targets and additional drilling is underway with many targets drill ready. In the near term, Osino remains well positioned to continue advancing all of its projects.
In the near to midterm, we expect Osino to define at least one preliminary maiden resource estimate. As exploration and success progresses in an orderly fashion, we anticipate the Company will emerge as an attractive M&A target. Should Osino define a high tonnage resource with similar grades that are being mined in the already established mines, the nearby operators (and others) could view Osino either for its ability to provide additional feed or its potential as a standalone project.
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CATALYSTS Additional assay result from diamond drilling – Q3/19 Ongoing percussion and a significant RC/DD drill program – H2/19 New target drilling – H2/19 Extending 2 drill holes that ended in mineralization – H2/19 Step-out and infill drilling – Q4/19 and H1/20 General and continued exploration on other targets – Q4/19 and H1/20 Ongoing consolidation of land position
INVESTMENT LANDSCAPE Osino’s projects are located in central Namibia, between 150 km to 300 km north and northwest of the capital city, Windhoek. The projects are road accessible via sealed and secondary gravel road networks. A number of regional towns and settlements are located within the general project area. Electrical power is readily available in most parts of the area.
Namibia enjoys high economic and social stability. Situated in southern Africa, Namibia is more economically advanced than most countries in the continent. Its economic status in Africa is due in part to mining and the quality of the country’s infrastructure. The IMF and the World Bank rate Namibia as an upper-middle income country. The World Bank describes Namibia as politically stable with sound economic management. It is governed by a stable multi-party parliamentary democracy; however, one party dominates. The World Bank’s ‘Ease of Doing Business’ index consistently ranks Namibia highly in Sub- Saharan Africa, among the top 10, and globally as average.
Figure 1– Country Location, Flag and Company Emblem
The largest economic sector in the country is mining, representing approximately 11% of GDP. The IMF expects economic growth of 1.4% in 2019/2020, driven mainly by growth in the mining sector. Diamond and uranium mining have a more entrenched history. Gold and base metal exploration and mining are a growing sector. Small deposits of gold were first discovered in Namibia during the German colonial period (1850s). More significant alluvial gold sources were discovered in 1917. In 1989, Navachab commenced production with a resource of around 1 Moz. Navachab produced continuously since then at a production rate of around 60 – 85 Koz per annum. Continuous and simultaneous
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brownfields exploration since the mid-1990s has resulted in a much improved geological understanding of the scale potential of these types of deposits. It has produced over 2 Moz to date. However, discovery of the resource base has since increased substantially. In 2011, AngloGold Ashanti reported a remaining Mineral Resource of 4.95 Moz Au (Mineral Reserve of 2.05 Moz Au) after 22 years of mining. Currently reserves are at ~4.0 Moz Au. In July 2014, Navachab was sold to QKR Corporation Limited (a private mining company). QKR acquired Navachab from AngloGold Ashanti in a transaction valued at US$110M.
B2Gold acquired the Otjikoto deposit from the current Osino management team in 2012 for US$180M. B2Gold owns 90% of the Otjikoto Mine (the remaining 10% is owned by EVI Mining, a Namibian broad-based economic empowerment group). B2Gold’s Namibia portfolio includes other exploration concessions. The Otjikoto Gold Mine started production in 2014, with a 1.4 Moz resource estimate in 29.41 Mt at an average head grade of 1.42 g/t, at a cut-off grade of 0.4 g/t (inclusive of a 1.34 Moz reserve at 1.4 g/t Au). After approximately 160 Koz of annual production since commissioning, this deposit still has a published Measured and Indicated Mineral Resource of 38 Mt grading 1.24 g/t Au and 4 Mt at 2.27 g/t Au for a total of nearly 2 Moz Au contained (inclusive of ~1.0 Moz Au reserve grading 1.54 g/t).
Namibia is largely desert ranchland with a long coastline on the South Atlantic and borders South Africa, Botswana and Angola. The country is one of the least densely populated, with a population of 2.6M. It occupies expansive, arid Namib and Kalahari deserts that make up more than 825,000 km2.
In Namibia, the Ministry of Mines and Energy grants an Exclusive Prospecting Licence (EPL) in terms of section 48(4) of the Minerals (Prospecting and Mining) Act, No. 33 of 1992. The royalty for gold, copper, zinc and other base metals is 3% of the total revenue. The corporate tax for mining in Namibia is 37.5%. Namibia has abandoned a ‘New Economic Empowerment Framework’ that was to force companies to sell a 25% interest to local entities to mitigate racial disparity.
Currently Osino is one of the more active gold explorers in the country. It consolidated a large district and discovered a significant new Au system along major mineralized structure on strike with the Navachab Gold deposit as well as the Otjikoto deposit.
REGIONAL GEOLOGY OF NAMIBIA Osino’s projects are located in the west and in central Namibia, within the Neoproterozoic Damara Mobile Belt, which forms part of the Pan–African Mobile Belt system. There are several gold occurrences and economic gold deposits hosted within the Damara Mobile Belt.
The Damara orogen is defined by a northeast striking Neoproterozoic fold, thrust and metamorphic belt that cuts through central Namibia. It results from the rifting and accretionary event between the Congo Craton and the Kalahari Craton, where the peak deformation event is estimated between 500 – 530 Ma. Another orogenic belt, the Kaoko occupies the western coast-line of Namibia. These rifting cycles began at 800 – 750 Ma and concluded by 600 Ma. The entire area is covered by up to 30 m of surficial calcrete.
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Figure 2 – Tectonic evolution of the Damara belt from
(A) the opening of the Khomas ocean basin (ca. 700 Ma), to (B) beginning of subduction and ocean consumption, up to (C) ridge subduction and migration of the relative slab window at depth, with associated magmatic evidence in the forearc region and (D) the Damara structural unit stack at present. Congo craton(Cc); Kalahari craton(kc); Northern Foreland(NF); Northern Zone(NX); Central Zone(CZ); Southern Zone (SZ); Southern Margin Zone(SMZ); Southern Foreland(SF); Omaruru Shear Zone(OmSZ); Okahandia Shear Zone(OSZ); Matchless Amphibolite(MA); Donkehoek Granite(DG). Source: Francesca Meneghini et al (2017)
The Neoproterozoic collisional environment of the Damara is divided into three major belts the North Zone: an openly folded foreland basin of low metamorphic rank; the Central Zone: calcareous and pelitic metasediments, and minor volcanic rocks that were initially deposited in a back arc, passive continental margin resting on pre-Damara basement rocks and; the Southern Zone: a suture of zone that is defined by a series of southeast verging thrust belts cutting pelitic sediments which have been deformed under high P/low T metamorphic conditions. The Eastern Kaoko Zone (EKZ) is stratigraphically and structurally continuous with the western edge of the Northern Platform. The Damara sequence is continuous beneath the Mesozoic to Cenozoic cover on the Northern Platform.
Osino’s projects, like Navachab and Otjikoto, can be classified as orogenic gold deposits. The deposits occur in a similar stratigraphic position. Although structurally controlled, for the most part mineralization is hosted within vein systems in amphibolite grade
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metasediments. Gold in the main Otjikoto deposit is hosted by a north-northeast (NNE) striking sheeted sulphide gold bearing vein system. Vein concentrations vary from 1 to 30 veins per meter with higher vein concentration in a mineralized system which has been traced over a strike length of 2.5 km and below 450 m below surface.
Figure 3 – Tectonostratigraphic zones of the Damara Orogen (after Miller 2008).
At the Navachab Mine gold mineralization is associated with auriferous calc-silicate assemblages which form at a permissive, usually carbonate rich stratigraphic interval. It is associated with the formation of discordant auriferous vein sets and breccias. Similarly, Osino’s Goldkuppe gold mineralized zones are associated with auriferous calc-silicate and sulphide assemblages within a dolomitic unit that are laterally persistent. Here mineralization may also be hosted in discordant breccias and vein systems.
PROJECT GEOLOGY In Namibia, Osino has three project areas: the Karibib Regional Exploration, Goldkuppe and Extensions and the Otjikoto East Exploration. The projects are located in the west- central part of Namibia, starting about 150 km to the northwest of the capital city Windhoek. Additionally, OSI has the Otjiwarongo Regional Project. The Project is made up of six licenses encompassing more than 3,003 km2 in central Namibia. The licenses are between the Company’s Karibib and Otjikoto East Projects. OSI has also applied for another two exploration licenses, that if granted will add another 1,580 km2 to the its land holding.
Osino is exploring the southwest portion of a deep regional structure known as the Karibib Fault zone and the Goldkuppe-Onguati trend. The projects are situated within the Southern Central Zone of the Damara Supergroup in central Namibia between the towns of Karibib and Omaruru. The Damara Supergroup is Neo-Proterozoic in age and is
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comprised of continental margin carbonates and silts which grade into turbidite sequences representing continental shelf and basin deposits. The Damara underwent a major orogenic event at 550 – 500 Ma when the sea closed along a series of major ENE structures. Hydrothermal fluid movement produced widespread gold mineralization within the carbonates and schists. There are two major producing gold mines within the Damara, the Otjikoto and Navachab, and several well- known smaller deposits which have been mined or evaluated in the past including Ondundu, Onguati, Sandamap and Epako. The area is known to host base metal deposits.
Gold deposits in the area surrounding Osino’s projects present a shallow-dipping, sheeted- vein system within a package of meta-sediments comprising marbles, albitites and hornfels biotite schists of the Karibib Formation. The deposits are situated within the northern zone of the Damara Orogen which comprises an open synformal structure immediately east of the Otjikoto deposit. The nature of gold mineralization at the Otjikoto gold deposit is often coarse and particulate, hence having high nugget effect, especially at higher gold grades. It presents a metallurgical benefit as well as resource estimation challenges. The mineralized vein systems at Navachab have lateral dimensions between 2 km to 5 km by approximately 900 m width. Depth extent exceeds 730 m below surface.
The Navachab and Otjikoto gold deposits are structurally controlled. Large scale structures with deep roots are believed to have been conduits for mineralized fluids. Both primary and secondary structures play a role in forming localized fluid traps. The secondary structures allow for economically significant gold precipitation in a spatially constrained zone. Correlation between gold and magnetite have been observed. The magnetite appears to be of an earlier, higher temperature event. Minor retrograde alteration has been associated with gold mineralization at Navachab. The Otjikoto deposit has a magnetic and electromagnetic signature from both airborne and ground data. Some of the general characteristics of the known deposits are identified on Osino’s Karibib, Goldkuppe and Otjikoto East exploration license.
THE PROJECTS Karibib Regional Exploration. Osino’s Karibib consists of 11 licenses covering a total area of approximately 1,715 km2 and more than 50 km of prospective strike extension of the Navachab Gold Mine, as well as the area from the historical Onguati Gold Mine up to and including the Goldkuppe prospect. OSI’s main focus on the Karibib is newly defined “Twin Hills Camp”. The Twin Hills Camp is 11 km long and includes: the Twin Hills East Prospect, Barking Dog Target, Clouds Target, Twin Hills Central, and Twin Hills West. The licenses cover a large turbidite basin between two carbonate horizons which have never been systematically explored. Regional mapping and re-interpretation of the aeromagnetic data has identified a large, previously unmapped, deep regional structure – now named the Karibib Fault zone. This structure can be traced over 40 km and has several gold-in- soil anomalies along it and on splays leading off it. Osino’s exploration activities since 2017 are focused along this major structure between the Company’s Goldkuppe project and the Navachab Gold Mine.
The Twin Hills Gold Project. Ground magnetic interpretation, calcrete sampling and in- fill calcrete sampling, as well as bedrock drilling at Twin Hills Central indicates excellent correlation between anomalous gold in surface geochemistry and the interpreted folded magnetic host unit. These results along with the previous confirmatory bedrock RAB drilling (with up to 2.65 g/t Au in bedrock samples) confirm that the target identified requires additional drill testing.
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Follow up diamond drilling resulted in significant discovery. It returned an intersection of high-grade shoots, within extensive mineralized system. It is rather encouraging that early in the drill program the scale and grade of the Twin Hills discovery are shaping up to be substantial. The most recent drilling program intersected mineralization ranging from 65 m to up to 198 m grading 1.4 g/t Au to 0.64 g/t Au.
Highlights of the 5 recent holes include: 104 m at 0.70 g/t Au (from 115 m), incl. 10 m at 1.27 g/t and 20 m at 1.11 g/t 189 m at 0.69 g/t Au (from 21 m), incl. 14 m at 1.14 g/t, 7 m at 1.42 g/t and 5 m at 1.43 g/t 78 m at 0.64 g/t (from 91 m) including 23 m at 1.01 g/t intersection of a high-grade gold zone of 65 m at 1.37 g/t Au (16 m – 81 m), including 31 m @ 2.2 g/t (42 m - 73 m) 17 m grading 2.17 g/t Au (116 - 133 m) and 3 m grading 2.73 g/t Au (87 - 90 m) individual meter assays include 15.2, 5.84, 8.36, 5.70, 4.70, 4.90 and 4.4 g/t Au
Higher gold intervals include drill hole OKD002 intersecting 5.70 m for 4.76 g/t, drill hole OKD001 intersecting 3.08 m for 2.84 g/t and drill hole OKD003 intersecting 1.0 m for 4.29 g/t. The extensive mineralization intersected in the first four holes suggests a strike length of more than 400 m and widths of up to 200 m, that is still open along strike and down dip. The 5th hole (OKD007) highlights the higher-grade potential. Three holes ended in mineralization, two are been extended.
Figure 4 - Twin Hills: A Camp Scale Gold System (~11km)
Figure 4 above reveals both the scale and potential of the project, by comparing the ~6 Moz Navachab pit outlined in yellow at same scale and rotated for illustrative purposes versus the surface geochemical anomaly outlined in red, as well as, drill hole locations. It is important to note that the Navachab mineralization is contained within plunging oreshoots in a banded marble, like what is being interested at Twin Hills and Goldkuppe.
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It is also hosted within a system of horizontal or shallow dipping sheeted veins within calcitic marbles and schists as in the Otjikoto deposit. There is evidence to support that similar sheeted vein sets occur at OSI’s properties.
Cm-scale quartz sulphide veins in schist
Brecciation and silicification in quartzite
Pyrrhotite in brecciated quartz vein
Arsenopyrite in cm scale veinlet in schist
Pyrite on margin of breccia in quartzite Figure 5 - Twin Hills Central Drill Core Exhibits
Goldkuppe and Extensions. The advanced stage project forms part of Osino’s core Karibib-Omaruru-Wilhelmstal exploration area. It covers gold mineralization within carbonate rocks belonging to the Karibib Formation over an extensive area. The Karibib rocks are folded into an overturned isoclinal antiform plunging shallowly to the north east with limbs dipping southeast. This antiform has later been refolded.
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Since the mid-1980s a series of geochemical, geophysical and geological surveys have defined several gold and copper anomalies, magnetic anomalies, chargeability anomalies and geologically generated targets in the Goldkuppe area. Approximately 10,000 m of RC and diamond drilling has been conducted in the area by at least three previous operators. Mineralization is shallow, in some cases just 9 m below surface, and some significant high- grade (3 g/t Au – 30 g/t Au) zones occur within the lower grade envelope.
Highlights of historical drilling are as follows: DDH OJD009: 18 m of 1.0 g/t Au, 0.14% Cu and 7.5 g/t Ag (from 9 m – 27 m) DDH OJD012: 28 m of 1.8 g/t Au and 5 g/t Ag (from 37 m – 65 m) DDH OJD001: 7 m at 9.0 g/t Au, 73 g/t Ag and 4.43% Cu (from 54 m – 61 m) DDH OJD008: 6 m at 5.3 g/t Au and 23 g/t Ag (from 48 m – 54 m) DDH OJD013: 4 m at 11.6 g/t Au (from 30 m – 34 m)
Many of the historic RC and diamond drill holes were of a reconnaissance type and were terminated at distances of less than 50 m sub-surface.
In the Goldkuppe area the Karibib Formation is underlain by Arandis schists in the core of the antiform. The Arandis Formation schists are the lithologies that hosts much of the Navachab gold mineralisation. There are granitic intrusions to the east of Goldkuppe and pegmatitic dykes, sills and blows are common. The carbonate rocks have been altered to skarn in irregular haloes – diopside and tremolite are common alteration minerals. Two major producing gold mines Navachab and Otjikoto are on trend as well as other smaller past producers and targets including Ondundu, Onguati, Sandamap and Epako.
The gold mineralization at Goldkuppe is hosted primarily by dolomite with minor zones in the underlying white and banded marbles – all within the Karibib Formation. Stefan A. Vollgger et al (2015) pointed out that Goldkuppe and Otjikoto are described as having a similar style of mineralisation to that of the Navachab gold deposit.
A wide zones of gold mineralization were intersected in several holes at the Oasis target. Here the mineralization is contained within sheeted quartz-pyrite veins associated with faulting and folding in the banded marble host lithology. These sheeted veins, which have a fairly consistent distribution and grade throughout the mineralized package, strike north- south and dip moderately to the east. This style of gold mineralization is typical of the multi-million ounce Navachab Gold Deposit 30 km to the southwest.
An initial scout drilling conducted in December 2017 at Wedge target returned best gold assays of 49 m grading 0.7 g/t (OJR210) and at Oasis 10 m grading 2.0 g/t (OJR215). A 2018 step-out drilling program from 2017, that aimed to delineating strike extensions and obtain data on structural and lithological controls on mineralization, intercepted mineralization of up to 77 m grading 0.4 g/t (OJD031), 37 m at 0.5 g/t (OJD028) and 37 m at 0.4 g/t (OJD027).
The Goldkuppe Project is focused on an anticlinal fold in marbles which strikes northeast and plunges in the same direction. The historical exploration focus was on the gossanous shoots within dolomitic marble which produced several high-grade gold intercepts. Goldkuppe also contains wide zones of low-grade skarn mineralization (e.g. OJR181 – 60 m at 0.7 g/t), as detailed above.
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Figure 6- Generalized Geological & Mineralization Relationships at Navachab Open Pit
The higher-grade mineralization is primarily associated with massive sulphides (pyrite and chalcopyrite) on or adjacent to the contact between dolomite and underlying white marble. Lower grade disseminated mineralization occurs within the skarn alteration zones which are often magnetic due to the presence of pyrrhotite. These zones can be 20 m or 30 m wide but are generally less than 1 g/t and can be less than 0.5 g/t. Gold also occurs in quartz – sulphide veins which are 1 cm – 10 cm wide. The mineralization is strongly structurally controlled with the massive sulphide zones occurring in the north – south orientated fold noses as saddle reefs and foliation parallel boudins.
Figure 7 - Characteristics of Goldkuppe Mineralized Zones, Representative Samples
Figure 7 Sourced from Solomon Resources Inc. technical report dated 2014 shows on plate (a) a coarsely annealed chalcopyrite, pyrite plus or minus pyrrhotite is noted. The interval is dominated by sulphides only, with an absence of silicate or carbonate gangue
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mineral phases. Massive sulphide bodies commonly grade into calc-silicate assemblages which are formed by interlocked dark-green black aggregations of clinopyroxene, tremolite, pyrite and chalcopyrite, (b). Small structurally controlled veins and breccias, sometime associated with high grade mineralized zones but also typical of broader lower grade mineralized zones are noted on plate (c) and (d). These veins, when hosted in marble units, have limited alteration selvedges.
Otjikoto East Exploration. The Otjikoto East Exploration Project comprises 5 large exploration licenses over a total of ~1,844 km2 in north-eastern Namibia. These licences cover the eastern strike extension of the Otjikoto Gold Mine geology over a length of approximately 80 km.
This project is also situated within the Northern Zone of the Damara Supergroup in central Namibia to the south of Tsumeb. Tsumeb is to the north of Otavi and the base metal mine of Kombat Copper. Just south of Otavi is B2Gold’s Otjikoto Mine. Osino’s license abuts the Otjikoto Mines and encompasses a 110 km strike length of prospective Otjikoto stratigraphy.
Figure 8 - Otjikoto East: Opening Up a New District
The exploration area is within a zone of convergence of major tectonic boundaries, having a likelihood to produce significant hydrothermal fluid flow during and immediately after the Damara orogeny. The setting is ideal for orogenic style gold mineralisation. Detailed structural interpretation from aeromagnetics and ground mapping is being conducted.
The Otjikoto deposit is situated just below the contact between the Karibib marbles within schists. The licences also cover turbidites belonging to the Kuiseb Formation within a regional syncline. The project area has been continuously under license for over 30 years,
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October 3, 2019
however no meaningful historical exploration has taken place due to calcrete and sand cover. Recently completed airborne geophysics, extensive soil and anthill as well as calcrete sampling has discovered five coherent gold anomalies to date. OSI has an ongoing drilling program.
Otjiwarongo Regional Gold Project. The project comprises 6 large exploration licenses covering over 3,000 km2 located near the town of Otjiwarongo, in central Namibia. The Project forms part of OSI’s ongoing target generation program. It is another gold- prospective and under-explored ground in the central part of the Damara Belt in Namibia. OSI has conduced preliminary reconnaissance field visits and land/farm access negotiations. Additionally OSI has been in preparation for an upcoming exploration and drill program at Etekero. A preliminary shallow bedrock drilling campaign for the Etekero target is planned for H2/19. Initial regional field programs are planned for the second half of 2019 on priority regional targets identified, with the aim of defining targets for detailed follow-up in late 2019 and early 2020.
UPCOMING EXPLORATION PROGRAMMES For 2019 Osino has planned extensive exploration programs across all its Project Areas. These include:
Karibib Gold Project Completion of the diamond drilling of Twin Hills Central Target. Prioritization of targets for diamond or RC drilling at Twin Hills West, Barking Dog and Clouds. Prioritization of targets along the Karibib Gold Trend (Airfield, West End and others). Review of regional top of calcrete drilling and determining whether further in-fill shallow calcrete sample drilling is required along the south-western extensions of the Karibib Fault Zone. Ongoing regional sampling in the Kranzberg area. The ongoing shallow 500-hole bedrock and calcrete sample drilling is expected to be between 5,000 m and 7,500 m in total.
Otjikoto East Gold Project OSI completed a regional surface sampling on priority areas at Otjikoto East Gold Project. Eleven anomalies were identified in calcrete and anthill sampling. Through further review and field checking four have been prioritized as targets worth drill-testing. Shallow percussion (RC) bedrock drilling is planned for Q3/19.