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Berger, B.R. 2012. Precambrian geology, south of Gogama area; Ontario Geological Survey, Preliminary Map P.3762—Revised, scale 1:50 000.

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abc Mafic Metavolcanic Rocks 81°50′43″ 50′ LEGEND 1 437000 m 38 39 45′ 1a Flows, massive 440000 m 41 42 43 44 45 46 40′ 47°40′06″ 47 48 49 450000 m 51 52 8cg 53 54 55 35′ 460000 m 30′ 81°27′33″ 1b Flows, pillowed  56 57 58 59 61 62 63 64 465000 m 40′ Boundary PHANEROZOIC 1c Tuff 

Duckbreast Lake  !  8ahic !

Skidway Lake   80 8cj  8f C2 47°40′06″ 1d Amygdaloidal 

!   ! !  8ah  C8f 80 8c 40′

Lake ! ! ! 1e Feldspar ± amphibole phenocrystic Minisinakwa Lake 29    CENOZOIC 73 !

1   72 C8 ! 1f Schistosee Ontario Geological Survey

8cg ! C8 8cj 8ah !

29   77 8c 46

5279000 m  ! 1 5279000 m ! 1 1g Amphibolite

! !  ! 8ch ! !    C11a ! Mattagami QUATERNARY

!  8cj

70 80  !  C5 1h Gneissic

!

! 56 !

!

! 

8c !

 !

C8 8cgj 75 ! Lake 1gfb 8c ! !

!  ! 85 ! !   MAP P.3762—Revised

Spruce ! M a ! RECENT

! 

 ! 8j 1fa,4e This is a field legend and may change due to subsequent laboratory 1 8c  Lake ! a

  !

! ! Lake, stream and wetland deposits !  1g,8j work. C8  t

C8 ! 6 ! (! ta

  !  C5,1 

! b !

8dij,10b ! 88 8cj 8f  !

! 1g The letter “C” preceding a code refers to data compiled from existing g

85 !  

 !  85 PRECAMBRIAN GEOLOGY

! 1ga ! 78

78 *# a PLEISTOCENE

! ! maps and from maps filed for assessment work credits and available 8chg ! 8f

   4c !

1b py,qv, 84 m !  C5 1ac     ! 1ga,8c 64 83 Glacial, glaciofluvial and glaciolacustrine deposits: sand, 65  

! C5 47 for viewing at the Resident Geologist’s Office and from the

C8 ! ! !  i !  C8 ! 56 59 mag

! gravel, clay, till

! ! ! ! 63 ! 

8dg  L GeologyOntario website. The letter "G" preceding a code refers

C8 1ga  

!  1a 2bd ak

!  75

!  72 ! St. Louis  SOUTH OF GOGAMA AREA  2bf to data interpreted from geophysical data.

!  56 4abc ! 2cb 1a 

Lake C8 8fj   79 !

e UNCONFORMITY C8  2c  c ! !  2bc Rock codes designated with a “/” (e.g., 7a/3g) indicate that the lithology

C8 75  

C8  2d 75 F  2b,1a

52 a ! displays characteristics that could belong to either rock type but the !   77 M  2ae u 77

8fij  2ae  62 PRECAMBRIAN first code is inferred to predominate. ! 2baf

 ! G10 2je l in 

 t

8c,10a 8dhj  80 G9 d Scale 1:50 000

! 2aef is !

C8 C10   2jaf  Parts of this rock may be extrusive.   Geoffrion C11a 86 10a 88   85

 in    PROTEROZOIC e 1000 m 0 1 2 km

8a !

! 8ci

76 Lake    2b  This term is used to describe an intensely foliated rock; assignment

a C8f 8f 80 85   to a protolith is speculative. k C2,8

*# 2b,10a  ! !   C8 8dk,10a    65 py,mlc w C8   C8f 1g,2h 1a  1f,2bg *# MESOPROTEROZOIC

78 a C1 py,cz

 1  1ag   (! 76 76

 1fa

L 9 8c  1be,10b NTS Reference: 41 P/11, 12

(! Groves   65 8ai 

ak C8  1c,8c 85 Mafic Intrusive Rocks Muskeg  Lake 1a  85 1a C8 C8  8cki 3g/2g C1a SYMBOLS

 H   e 

 Lake C8 C10  C1a 3g,2g,1f  1a 1a 42 C8 a C10   © Queen's Printer for Ontario, 2012. F 87  12 Sudbury Dike Swarm: olivine gabbro

8abhji   n 8c,10a 77    C3

au Small bedrock

C8 2c,3c,8j o  *# 3gd Schistosity (inclined,

11a v 8cij 88 80  4b    10

C1 C8 81  55 88 outcrop vertical, magnitude l e 75 C2 py,cz INTRUSIVE CONTACT    This map is published with the permission of the Director, Ontario t Ni,Cu 

8ji 4e,3g 

75 Vendette 76 r  py  4ce

*# of dip uncertain) Geological Survey.

  *# 75 L

436000 m Lake   2cb 74 *# 2cg,3b C4a C4a C1a  6 a    Area of bedrock  80 BRUNSWICK TP.

C8 C8  (!  9be

ST. LOUIS TP.    k 88  C4ae C4a,9a  PALEOPROTEROZOIC 83 1adc 

C8 2bdc 76 N outcrop Fracture, unknown

77  C1a 3afb,2b 85 e 70 

a C9 IVANHOE KEITH PENHORWOOD KENOGAMING   F BADEN ba  83  *# displacement, unknown 8ah  2bf    BEEMER    C1af C2 a 3cb,8c   Mafic Intrusive Rocks 10 MCBRIDE ZAVITZ HINCKS 8agk  SILK CROTHERS HASSARD ENGLISH ARGYLE

   mag u 2bg,3g k Geological contact generation (inclined, 82°

 C1a   C2 w 81°

C8 G2 HORWOOD 566

85  l  85 48° HARDIMAN REGAN 144 a C9 C8 2c t ! 48   (interpreted, gradational,

  vertical, trend only) NORTHRUP GOUIN MOHER SEMPLE HUTT BANNOCKBURN Upper C2 s ! GROVES TP. C2  59  11 Biscotasing Dike Swarm i 

ROBLIN

   MONTROSE  9be  2c,10a C9 St. Louis 8ah   2b R interpreted from 

C8 ! ! 88 C1a ! ! ! ! ! 77 ! !  11a Gabbro to quartz gabbro

74 C10 2a,1a 2g i 74 GARDHOUSE MIDDLEBORO EMERALD SOTHMAN MIDLOTHIAN v

3b,2c  py  NEWTON   geophysical data) Brittle fault, unknown DALE DOON Lake C2 82  e 

C3 C11a Shuller  NURSEY

 r MCOWEN HAZEN I.R. 71

Pensyl 83 cz,qv # WIGLE HALLIDAY  *

85 8cah 85 

144 75 C8   65   displacement, 8a,1g 12 Lake  DES

C1a  C3   INTRUSIVE CONTACT  (! 88  Lake  CARTER MATTAGAMI

HI 3bdg,2b  9aef  Sinistral fault, MARION ROSIERS  78 1st generation (vertical) KEMP MOND 1ga   4de,1f 4d  C9 RAYMOND RANKIN

C8 C8 C4  HEENAN GENOA WHALEN

  74 ! STETHAM BURROWS

 1g Au,qv ! C4 C4a unknown generation,  

1gaf 2bf ! 1

 88 

 3bg,2g ! 4a,1f   

C1a ! !  9ae 10 Matachewan Dike Swarm NOBLE TOGO VAN

C1a 6  ! ! 50  C2 !

(! 

85 *# BENTON ERIC KNIGHT HISE

 trend only Brittle fault, unknown FRATER SOMME JACK CABOT KELVIN NATAL

C11a  

 10a Aphyric quartz gabbro MALLARD

C8 1a    85 Gogama

 1gh,8a  2g Gowganda

C10 1 !

  displacement, unknown

 *# 2g/3g  10 !  1  10b Plagioclase phyric quartz gabbro, >1% plagioclase

73 4ae  !! 73 NEVILLE BRUNSWICK CONNAUGHT MACMURCHY

 ! ESTHER HUFFMAN ST.

88  C2 !  4c Fault, unknown generation (inclined) MILNER

82 py,cz,qv ! LOUIS CHURCHILL

!  Jessica

85 83 ! phenocrysts TYRRELL   OSWAY 74 C11a  C9   POTIER ! !  GROVES 57 4e 74 ! horizontal movement,  ! ! 9ae10b  4e/3g,10a C9 Shining Tree  3g,4e !  4eca  Lake 2g ! 9a BENNEWEIS ! NEVILLE TP. 8ah,1gh   75 G4 !  LEONARD

! C9 EDITH FINGAL YEO

! 4ca unknown generation, CHAMPAGNE ASQUITH

  Ductile shear,

81    !  !   LEITH

 C4e C4 ! 9ae10b  INTRUSIVE CONTACT ARBUTUS

 81   CHESTER LONDONDERRY MIRAMICHI FAWCETT

   88 1  C4 10a C9  9a   9ae trend only 10  dextral displacement,   4ac C9 INVERGARRY 4e 4ec  (!3  CAVELL CAREW GARVEY

  560 NORTH

   unknown generation 81  9ae ALCONA VROOMAN GARIBALDI OGILVIE WILLIAMS

 C9 SMUTS RAY

85  7a,3g  9ae 9a  WESTBROOK SHEARD 10 85 9ae  ARCHEAN Rideout fault zone (inclined, vertical, !   4ea 4a C11a 74 C7 C9  *#  Westree

72   86   7a 72 HALL HOLLINGER ARDEN INVERNESS BROWNING (!13 8deg     boundary magnitude of MOFFAT  C7  py,cz JOFFRE BISCOTASI EDINBURGH DUFFERIN  9a,10a LECKIE

80  7a,6b  HENNESSY AMYOT  62  4ca,11a 76 7a   C9 9bd dip uncertain)

 C8 10b 86 NEOARCHEAN

  C9 C9 ABNEY ! 67 C8   7ac PAUDASH BLEWETT HODGETTS

8d,10a 82 6a,7h Rideout fault zone MARGARET STULL ELLIS

C8 8ce,1g C5  C10 9ae Biscotasing MCLEOD

!13 85 82 LILLIE CHALET BREBEUF UNWIN (  BEULAH C8  144  C8 C8 7a  ELIZABETH

   85 9adf Intermediate and Felsic Intrusive Rocks Ductile shear,

82 C8 C8   7a,6a C5  SELKIRK MARQUETTE

   LAMPMAN C7  KELSO  10

C1a C1a  1hg,8c C10 sinistral displacement, BAZETT SHELLEY VALIN  C1a 26  C7,6  C9 CORTEZ MCPHAIL CAVANA BAYNES MARSHAY LEASK HAENTSCHEL  7ai,6b,9a  8eij C8 C1a   85    C9 9be 9 Ramsay–Algoma Terrane Graded bedding, unknown generation 84  C1a C1a  7ach,3a 70    

 C1 C10  4e,1f 71  C1a  C1a 85  71 9a Biotite granodiorite to tonalite 10 with facing (inclined) (inclined) Location Map 1 cm equals 15 km  45 C1a Piggott

8  88 C1  C1a  C4e 9b

  9b Biotite + amphibole granodiorite

Lake 9bd

 C1a *# Tate  C9

C1a 9a

1f,10a   7ad Pillowed flows,

88   C7,6  9c Biotite + amphibole + magnetite granodiorite Ductile shear,

 C7,4a Lake  Au C9

2g 71 85 C2g (!5 88  10 no facing (inclined) 10 unknown horizontal

 C9

9d Medium grained C4a 

C4a  9be/7 Errington  

  88  9a

35′ 4ae C7

81 displacement, unknown 9e Coarse grained

7i/3g Lake C7,4a  ABBREVIATIONS

C4a 9ad

  C4a   Pillowed flows, 9adf 9f Xenolithic generation (inclined,    

7af,3bg 80  9bf 35′ 

85

C4a C4a

5270000 m 5a with facing (vertical) vertical)

  Au...... gold

7a     

C7 5270000 m  6a,7a 

   C4a 13 7ac  7a 9ad  cz...... carbonatized

88  7ac,10b C7  (! 9ae 9be INTRUSIVE CONTACT

82  C7 C7  N 

 84  C7  C5  C9 Crenulation cleavage, Igneous contact, cp ...... chalcopyrite

7af,10ab  C7 C7 C7 54 C5 C7 a 6b b 47   10b 9a,3g 9bef Kenogamissi Batholith 10 S-asymmetry, unknown  dike (vertical) Cu ...... copper

 7h,6c 9be  8  a

82  

 Kizhik Little Shuller   7a,3b,1g  k 8a Biotite tonalite generation (inclined, hem ...... hematite 77 7ai 10a  C7 C7   85  C7 Lake Lake w

75 7a,1g C7 5ae,1g,7h 9be 8b Biotite + amphibole tonalite magnitude of dip Crenulation lineation, mag ...... magnetite 7a,1f,10a 7c   9be  a 10   C7   C7 10a    s uncertain) Z-asymmetry,

69 6f  86  69 8c Biotite granodiorite mlc ...... malachite

10a 85 i py,qv   7c,6b 

*#   G9 8d Biotite + amphibole granodiorite unknown generation Ni ...... nickel  R  

13  5a 82 75 Londonderry 9ae (! 

   i Crenulation cleavage, py...... pyrite 10a v 8e Amphibole quartz monzonite to granodiorite  7ai 7a,6b   C7 C5a Lake 10 68   7a,6a  9ce,12 e unknown asymmetry,

7a *# 17   C7  43  *# 8f Quartz–potassium feldspar megacrystic granite  10 Elongation (stretch) qv...... quartz vein

1g C7 C7  r

 73 7ai  12 10b

unknown generation  lineation, unknown F 8g Foliated

7a,6b,3g,7h

cp 88  

 mag,hem

C7 a

(inclined, vertical) generation

 8h Gneissic 

 84

u

C7 Claus 9b,2b

 7h,1a/6

C1 C1 C7 l

CHESTER TP. 8i Xenolithic

t

 68  68 C1a C7 Lake 9cef  8j Granite: aplite and/or pegmatite Crenulation cleavage, Fold axis lineation, C7 C7   9af 10 SOURCES OF INFORMATION (!10  C7  9bdf  9ae 8k Magnetite bearing 10 Z-asymmetry, unknown  N-asymmetry, C1a C7 C5a  7adk 5ag,6b,1g C7 9ad generation (inclined, unknown generation  6f,7gh C1a C10a  Carter, M.W. 1978. Connaught and Churchill townships, ;

   Cu   INTRUSIVE CONTACT vertical, magnitude of  Benneweis (!4 *# *# C10 C7 C7 9ae Ontario Geological Survey, Map 2414, scale 1:31 680.  1 dip uncertain) Intersection lineation,

 py  C1a Lake C5a 10   1 Au

 70  (!2 C5a 9bd Metamorphosed Mafic, Intermediate and Felsic Intrusive  between unknown

67 *#  67 Heather, K.B. 2001. The geological evolution of the Archean Swayze

7ad   7  Cu General cleavage, fabric generations

6ba,7h C7 C7  C7 C5a (! 10b  Rocks of the Chester Intrusive Complex greenstone belt, Superior Province, Canada; unpublished PhD thesis, Au,qv 1c *# C7 9b  10 unknown generation   77   G9 9ad 9a  Keele University, Keele, England, 370p.

*#   Turnip Champagne   7 (inclined, magnitude Mineral lineation,

 6b  13 Felsic Intrusive Rocks 10

  C1a C7  (! Lake

1g    C7  75 10b 9a 9a

80 C7,10 of dip uncertain)

7a Biotite tonalite unknown generation

3agedbc  

 10b 6b/5a Lake Johns, G.W. 2000. Precambrian geology, Shining Tree area (west half);  C5,1 82 C5a

 7b Biotite + amphibole tonalite

75 

*# 6a 6b,10a    C5a 9cd 80 

9ad Ontario Geological Survey, Preliminary Map P.3420, scale 1:30 000.

   1a 7a,1g  

 C5a  9af Compositional layering, Veins

 7c Granodiorite

 

mlc 

 C7  10

1g,7ai 10  C7 

66 66

 unknown generation

88  7af 7ad,1g 7d Chlorite bearing 

88  10

1a 9ad

6ab,7a,5a  Siragusa, G.M. 1982. Precambrian geology, Pensyl Lake area, Sudbury

BENNEWEIS TP.  Mollie 

  84

 (inclined)

 7a,1g  7e Coarse grained

 7a/3g  7a,1g River Aragon District; Ontario Geological Survey, Preliminary Map P.2534,

C11a 7ca,10b,3g 9aef

6a/7a  9ce  1ga,7h

85 7ai 

1g,7h  7f Quartz porphyritic Property (number

  

Lake scale 1:15 840.

10a LONDONDERRY TP.

 7ca

Compositional layering

6a/7a  11 (!2 keyed to Properties list) 7g Intrusion breccia

13 Octave (!

88 9a

(! C7

 7a 9a 

10 

  Lake 9a  and parallel foliation,

7h Dikes 10

CHAMPAGNE TP. Siragusa, G.M. 1983. Precambrian geology, Brunswick Township,

C7

6f,7h,1g 6b/5a de

 C7  C7 unknown generation Mineral occurrence

5bc,10a,7h Makwa 9aef 7i Schistose  Sudbury District; Ontario Geological Survey, Preliminary Map P.2606,

 

65 6ba,7ha  65 7k Magnetite bearing (inclined, vertical) *#

  85 

1g,7a,10b 11 10a

 1ga (! 7a Lake  9a scale 1:15 840.

10a

80

10a Annex  5ae 8 11a

py (!

 C7 

 

# Pembroke 9aef G9 Mineral foliation,

* Glacial striae,

7ad 

GRADATIONAL AND INTRUSIVE CONTACT

7c 

7h,3ad  75 7ca,6g

Lake

Digital base map information is derived from the Ontario Land Information

Lake

     1st generation

    py 10  direction of ice

#  

*   

  

  6b 

 Warehouse, Land Information Ontario, Ontario Ministry of Natural

6b/5a  

85 6c

10a  (inclined, vertical,

Intermediate Intrusive Rocks movement known

6

9a

Resources, scale 1:20 000, with modifications by staff of the Ministry

12

1gaf,5h,2h C7

6a Quartz diorite to gabbro magnitude of dip 7ca

5bc,7h,6g 78 

9aef

80 9ad of Northern Development and Mines. 9a 

  64 64 6b Diorite and/or gabbro uncertain, trend only) Roads (primary,

 

 7cd Lucienne

73 G11a  6c Monzodiorite, with possibly hematite-stained feldspar secondary, trail)

7h C7,6,5  6a Lake 9bef Map co-ordinates are in UTM zone 17, NAD 83. 6f Intrusion breccia Mineral foliation, 436000 m 5a/6b G9  9a  9ae 10 2nd generation Railway 2c,3b,1g  6g Dikes    Files of the Timmins Resident Geologist's Office, and the  (inclined, vertical, GeologyOntario  website. 54 er 6b magnitude of iv 6ab,7h  85 GRADATIONAL AND INTRUSIVE CONTACT 1ga,5h R 12 lie   63 dip uncertain) Powerline

63  M ol Metric conversion factor: 1 foot = 0.3048 m.

6cb,5a 9a 5 Mafic Intrusive Rocks (!11 9a   Mineral foliation,

Irene  5a Gabbro and/or diorite Geology not tied to surveyed lines.

G6,5 Colleen 10 unknown generation Lake Lake 68  5b Hornblende gabbro      9ad 5c Pegmatitic (inclined, vertical, 6a1g,7h Magnetic declination at the centre of the map area approximately 10°9′W

 72 5e Coarse grained magnitude of dip

G9 in 2012.

6f,7gh,9a unknown, trend only)

  5g Intrusion breccia 62   62

60  9cdf 75 5h Dikes G9 70 9ad  6bf,9a Amelia 

 Mollie 9a

 G9  INTRUSIVE CONTACT Lake Lake 9a   CREDITS

1 9a,10a 1 Metasedimentary and Metavolcanic Rocks

 G9 Geology by B. Berger 2011. 47°30′00″  9a

 5261000 m PROPERTIES 5261000 m  9ad 85 9ad 4 Clastic Metasedimentary Rocks  47°30′00″ Preparation of base map and GIS compilation of data by J. Chartrand.  9ae (Timiskaming Assemblage) Property Deposit Name Commodity   4a Conglomerate: boulders and cobbles, clast supported 9ad 4b Pebbly sandstone, matrix supported Cartographic production by R. Corcoran. 437000 m 38 39 440000 m 41 42 43 44 45 46 1 Benton Resources Incorporated 45′ 47 48 49 450000 m 51 81°50′00″ 40′ 52 53 54 55 56 4c Sandstone, arkosic sandstone, arenite 2 Broken Hill showings Cu 57 58 59 460000 m 61 62 63 64 465000 m 4d Siltstone and mudstone To enable the rapid dissemination of information, this map has not 35′ 30′ 81°27′40″ 4e Schistosee 3 Cascadero Copper Corporation received a technical edit. Discrepancies may occur for which the Ontario 4 Eccles–Holmes vein Au Ministry of Northern Development and Mines does not assume liability. 3 Felsic Metavolcanic Rocks 5 Jarvis showing Au Users should verify critical information. Sources include both the references listed here, and information on file at the Resident Geologist's 3a Flows, autoclastic flow breccia 6 Liberty Mines Incorporated Ni, Cu 3b Lapilli tuff, tuff Office and the Mining Recorder's Office nearest the map area. 7 Makwa–Champagne showing Au 3c Tuff breccia, breccia 3d Quartz porphyritic 8 Newcastle Resources Limited Issued 2012. 3e Spherulitic 9 Nickel Rim Mines Limited 3f Hydrothermal breccia, with magnetite-chlorite veining 10 Santana Resources Limited Information from this publication may be quoted if credit is given. It is e recommended that reference to this map be made in the following form: 3g Schistose 11 Sheridan, John Tasmijopen showing Au 2 Intermediate Metavolcanic Rocks 12 Berger, B.R. 2012. Precambrian geology, south of Gogama area; Ontario 2a Flows, pillowed 13 Trelawney Mining and Exploration Geological Survey, Preliminary Map P.3762—Revised, scale 1:50 000. 2b Lapilli tuff, tuff Incorporated 2c Tuff breccia, breccia 2d Volcanogenic sandstone to siltstone 2e Amygdaloidal 2f Feldspar ± amphibole phenocrystic 2g Schistosee Users of OGS products are encouraged to contact those Aboriginal 2h Amphibolite communities whose traditional territories may be located in the mineral 2j Flow breccia exploration area to discuss their project.