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Preliminary Map PMAP2010-1
600 000 620 000 640 000 660 000 680 000 700 000 720 000 740 000
Precambrian geology of the Seal River region, Manitoba Legend Sequence 1 (<2.7 Ga, >2.57 Ga) Symbols (parts of NTS 54L, M, 64I, P) Ordovician limestone, sandstone Extent of Western Warrior magnetic data (AFN 94732) Geology by: S.D. Anderson, C.O. Böhm and E.C. Syme Sa18 Quartz arenite with minor mudstone and conglomerate Planar structures Seal River Domain Extent of BHP Billiton magnetic data (AFN 74007) 20 70
Sa17 Arenite and polymictic conglomerate; <2.7 Ga This map is a provisional summary of work carried out during the summer field season and is produced directly Paleoproterozoic Bedding: tops unknown, known, overturned Extent of GSC magnetic data (Fortin et al., 2009) from the geologist's manuscript. It is not to be regarded as a final interpretation of the geology of the area. Sequence 4 (<1.88 Ga) 80
0 Unconformity –––––––– 0 0 Sp13 Quartz arenite with subordinate mudstone 0
0 This map is available to download free of charge at www.manitoba.ca/minerals; to purchase a copy 0
Pillows: tops unknown, known, overturned 0 contact Publication Sales at 1-800-223-5215 or (204) 945-4154 or [email protected]. 0 4 4 6 6 Intrusive rocks
6 Sp12 Greywacke-mudstone turbidites; feldspathic 6 Flow contact: tops unknown, known 25 Sa16 Serpentinite, peridotite, gabbro 83 64N 64O 64P 54M PMAP2010-1 Sp11 Iron formation; oxide facies
Biotite±hornblende granite, granodiorite, tonalite; Sa15
gneissic; minor amphibolite Igneous layering: tops unknown 55 72
64I 54L 54K Sp10 Greywacke-mudstone turbidites; quartzose; <1.88 Ga
64K 64J 75 DICKINS RIVER Dickins Na2 80 PLUTON River 54H Fault contact? –––––––– Foliation 54F 54G Sp9 Iron formation; oxide facies ! Woodcock Point
64F 64G 64H 54E 38
90 Crave Lake Na4 54A Sp8 Dolomitic marble and calcsilicate rocks Sosnowski Lake assemblage 54C 54B Gneissosity 85
64C 64B 64A 54D Garlinski Lake and Howard Lake greenstone belts
10 Na3 80
Sa14 Feldspar-quartz porphyry; 2679±6 Ma 60
53N 53O Unconformity ––––––––
63N 63O 63P 53M Fold axial plane
85 10 Sa13 Volcaniclastic and epiclastic rocks; <2.7 Ga, <2.61 Ga 78 53J 90 53L 53K Sp7 Pegmatite; biotite–muscovite±garnet 63K 63J 63I Dike Na5 Sa12 Dacite and rhyolite; associated intrusives 80 Pollock Island 53F Sp6 Biotite–muscovite granite (±garnet, fluorite) Linear structures Haywood 63F 63G 63H 53E Lake
15 Sa11 Leucodiorite 38
63C 63B 63A 53D Intrusive contact ––––––––
Sa10 Andesite Fold axis: symmetry unknown, S, U, Z 10
65 Basalt and basaltic andesite; related gabbro; minor 62N 62O 62P 52M Sequence 3 (<1.98 Ga) Sa9 65 Na3 Na1 iron formation Lineation (includes stretching and mineral lineations) 85 Sp5 Mudstone with subordinate arenite interbeds
0 Index 0
0 52L 71 0 0 62K 62J 62I Sa8 Gabbro; local amphibolite along belt margins Dikes inferred from magnetics Na2 0
0 Map 87 0 2 85 2
6 Sp4 Dolomitic marble 6
Mp1 Gabbro (ca. 1.27 Ga Mackenzie swarm) Vinsky Lake 75 6 0 100 200 Na5 6 62F 62H 52E
62G 85 90
Fault contact? –––––––– 90
kilometres Sp3 Quartz arenite with subordinate mudstone interbeds; <1.98 Ga Sap4 Gabbro 79
67
Neoarchean to Mesoarchean 84
Sp2 Thinly interbedded arenite and mudstone; <2.05 Ga Np1 Diabase? (ca. 2.45 Ga Kaminak swarm?) Na2 Cartography by S.K.Y. Lee Seal River Complex 45 15 79 69 45 Published by: Sp1 Iron formation; silicate facies Sa7 Diabase (dikes); foliated; northwest-trending VINSKY LAKE
Geological contacts (in part inferred from geophysical data) PLUTON
Manitoba Innovation, Energy and Mines Simundson Lak e 76 Catton Manitoba Geological Survey, 2010 Sa6 Quartz- and feldspar-phyric rhyolite; 2570±3 Ma Lake Unconformity –––––––– Form line 90 SUGGESTED REFERENCE: Sa5 Feldspar (±hornblende, quartz) porphyry 70
Anderson, S.D., Böhm, C.O. and Syme, E.C. 2010: Precambrian geology of the Seal River region, Manitoba (parts of Paleoproterozoic or Late Neoarchean (?) 67
NTS 54L, M, 64I, P); Manitoba Innovation, Energy and Mines, Manitoba Geological Survey, Preliminary Map Sequence 2 (<2.5 Ga) Fault 25 Sa4 Hornblende diorite (dikes)
PMAP2010-1, scale 1:175 000. 85 90
Sap5 Basalt 76 Sa3 Biotite granodiorite (dikes); 2860±4 Ma Mapping limit 82 Gabbro; possibly includes east- to east-northeast- 79 97°30'W 97°0'W 96°30'W 96°0'W 95°30'W 95°0'W 94°30'W Sap4 trending gabbro dike swarm Na1, Na4-6 N ' Sa2 Biotite±hornblende granite and granodiorite; heterogeneous 0 ° 0 6
Sap3 Psammitic and semipelitic paragneiss; ca. 2.56 Ga Orthogneiss; includes amphibolite or metagabbro 80 Sa1 enclaves; 2901±5 Ma 80 75
Sap2 Mudstone with subordinate arenite
81
Quartz arenite with subordinate conglomerate and Fault contact? –––––––– 85
Sap1 mudstone; <2.5 Ga Kirk River 45 N
'
0
0 71 0
4 70
° 0 0
Nejanilini Domain Mink 9 78 69
0 Tully 0
5
Rapids
Na1, Na4-6 Lake 0 0 N
' Unconformity –––––––– Intrusive and supracrustal rocks 80 0 0 0
6 6 4 75 39
° 75 85 9
6 Morris 6
5 66
Na6 Biotite granite, leucogranite, granitic pegmatite McMurachy Esker
62 50
Late Neoarchean Island 71 72
80 80
Intrusive rocks 80 76
75 Na5 Potassium feldspar porphyritic granite; 'fresh' 70 20 Na5 80 Sa23 Granitic pegmatite; biotite 60
Na4 Potassium feldspar porphyritic granite; recrystallized Burch Rapids N '
0 Sa22 Alaskite 51 2 Na2, Na4, °
9
75 85
5
Na3 Mafic granulite 40 Na5 N ' 0
2 79 Hudson Bay ° Sa21 Granite, granodiorite, quartz diorite; 2550±4 Ma Richardson 9
5 Rapids
Na2 Paragneiss 75 70
Sa20 Quartz±feldspar porphyry; 2562±5 Ma 60
Unseparated biotite±hornblende granite, granodiorite;
Long Na1 85 Lake
variably gneissic; 2527±2 Ma 86 Sac Rapids
76
Sa19 Syenogranite, quartz syenite; typically fine grained; 2570±5 Ma 85 74 40 N ' 0
° Thibedeau 80 60
9 Lake Russell
5 Intrusive contact ––––––––
10 Na5 Esker Na4 N
'
0
° 80 29 9 68 5
Kwasny GROSS RIVER 79 37 80 Lake PLUTON 38 60
Caribou
Mason Rapids River
Gross Lake 35 86
46 John Campbell 1:175 000 Lake 80
17 57 N ' CARIBOU RIVER
0 0 10 20 kilometres Caribou 7 4
° Lake 85 0 0 8 PLUTON 60 5 0 0 0 0 N
' 75
0 26 0 Stodgell Islands 90 0 4 ° 8 8 8 5 5 5 6 6
80
83
75 Sirett Lake Na5 85
Viljoen et al., 1999 30 84
5
75 97°30'W 97°0'W 96°30'W 96°0'W 95°30'W 95°0'W 80 16 80 Koleda Stubner 36 22 Lake 80 87 Lake Na1, Na4-6
Mann 25
40 20 0 25 50 kilometres McMurchy Island Post Lake Lake 80
61
66 13 Pakulak Lake
72
89 Clarke
80 72 River 82 40
SOURCES OF AEROMAGNETIC DATA: Na1, Na4-6 75
Assessment File 74007, Manitoba Innovation, Energy and Mines, Winnipeg. Airborne magnetic and MEGATEM Survey, Seal River Travis Lake
and Keewatin blocks, Churchill, Manitoba. BHP Billiton World Exploration Inc. Futoranski 45 80 25 Lake
Hanscom 50 Ploschansky 80 81
75 Lake Lake Assessment File 94732, Manitoba Innovation, Energy and Mines, Winnipeg. High resolution aeromagnetic survey 82 72 65 (HRAM) logistical report for Western Warrior Resources Ltd, Eppler Lake Project, Churchill area, Manitoba, NTS 54L/13, 85
Benville Craib
54M/4, 64I/16, & 64P/1. 85
Lake
Walton Lake
Island 75
71 Na4 49 80 Na 2
Fortin, R., Coyle, M., Carson, J.M. and Kiss, F. 2009: Airborne geophysical survey of the Great Island and Seal River Benjamin
Frederick Cook 80
area, Manitoba (NTS 64P/03, 64P/02, 64P/01 and part of 54M/04, 64I/16 and part of 54 L/13, 64I/15, 64I/14, 64I/11, Lake Anderson Schoenthaler 82 85 Lake Lake
64I/10, 64I/09 and part of 54L/12, 64I/07, 64I/06, 64I/08 and part of 54L/05, parts of 64I, 64P, 54L and 54M); 75
11 Sothe 90
Geological Survey of Canada, Open File 6065 to 6076; Manitoba Science, Technology, Energy and Mines, Manitoba Dingle Renault 12
Lake Lake Lake
54
Geological Survey, Open File OF2009-1 to OF2009-12, 1 DVD-ROM (120 colour maps), scale 1:50 000. 81
70 20 70 85 87 82 Viljoen, D., Chackowsky, L., Lenton, P. and Broome, H.J. 1999: Geology, magnetic & gravity maps of Manitoba: 71 75
54 69
A Digital Perspective; Geological Survey of Canada, Open File D3695; Manitoba Energy and Mines, Larocque 4
McCann Lake Lake 82 85
0 Geological Services, Open File Report OF99-12, 1 CD-ROM. 44 0
0 0 d'Arcis
0 89 0
82 Lake 36 43 85
0 85 0
6 6
Tourand 67 49
84 5 5
55
6 6
Lake
Washook 86
5 85 Sa21, Sa15
76 77 74 Lake 48
83 GARLINSKI 85
80 51 76 70 83 67
68
Quigley 18 Nykolaishen 48 Lake LAKE
Brooks Hill Lake 17 76
88 74 69
GREENSTONE BELT 80
51
Warner 75
80 Lake
Sa12
Sa13 82 71 50 60 82
81
Harbottle 71 Pincock Antonyszyn Lake
Lake Richardson 40 Seal River Lake 50
30 85
Na1 Hill 35 75 85 75 55 40 40
Thagard 55 Sa 10 Sa21 75
79 60 60 77 84
Madge Island
64 Lake 84 The Knoll
83
53
Thekakaya 76
16
80
70 20
Gugins Lake
Lake 65
79 89
13 24 60 85 82 65 90
22 Sa10 Witt 19 60 86 78 10 32 64 64 Lake 82
20 85
75 52 64 80 76 64 83 73 Baker 85
55
45 58
79 Hebner Sa15
Obuyi Lake 69 Peninsula 21 85 72 80 40
47 50 60 Lake 80 80 80 80 70
Thuykay Lake Sa12 85 52 90
68
Naelin Lake 36 32 70 56 35 10 78
78
Garlinski 70 83 83
Sellar 80 51 80 85 58
82 20 1 Kesselman Lake 57 Sosnowski 71 85 90 Lake
51 Avery 1 Lake Sa10, Sa8 Lake 74 !
Sap3, Sp6 10 65 35 81 Point of the Woods
80 50 Collins 78 Sa8 70 Sa18 56
45 Sp5 Sa8 9, 8 74 Lake
41 81 Seal River 90 61
25
Sp6 70 72 80
80 80
85
Hoguycho 85 82 90
5 49 75 84 80
40
Lake 90
7 71 85
60 24 85 84
40 86 56
60 61 72 42 85 85 85 85 62 34
11 27 76 Spruce Lake
81
19 65
25 75 85
26
! 63 86 29 80
88 80 90
27 Wolochatiuk 85 78 Paul Point 45
Sa8 64 70 79 63
Minter Vincent 85 76
80 Sa18 Lake 74
Duffin River 75 70 25 24 60 60 88 20
Lake 90 55 53 72 Island 85
45 Simpson Hill 59 Sa21, Sa15
! Cavaghan 72 79 88
Gardiner Point 65 80 80 40
Lake 70
65 80 85 Sa9 80
42 75 Sp2, 80
85
76 19 74 77
74 Mullin Lake 64 55 75 87
Sa17 27
80 72 85 Sp3 Sa21 87
75
64 80
73 85 40 40 75 71
85 85
87 80 60 85 85 75 74 85
38 86 Sa10 70 Dolding 55 Sp4
72
62 85 81 66 Sap4
18 20 85 85
Lake 40 40 85 18
80 80 75 77 57
80 77
74
82
45
Sp6 63 80 Switzer 88 90 Lees Lake
84
Sa18 Sap4 55 85 86
Lake 86 90 85
Sp10
85 71 65 72 75 80 79
9 72 80 76 86 72 Tambanay Rapids
34 70 75 Sp5
Sa22
89 52 85 75 84 86 65 78 63
Birch Canoe 38
0 76 0
81
McEachnie 74
Sp12 72
0 28 76 0 Lake Ferrier 62 73 79 81
Sa18 Lake
0 Sa20 0
Sp8
80 51 85
Sp11 79 68 77 Lake 85
77 81 65 10 32 81
Sa17 Sa12 76 85
0 Sp9 0
82 48 75 75 2 56 60 85
4 4
48 80 89 78
62 73 80
5 76 85 77 85 5 35 75 Sa8
Sa21 45
80 68 Sa9
65 49
6 87 6 Sp5
85 Sp2, Sp3
76 81 72 32 85 81
Sp1 85 67 84 80 51 61
75 88 82 50 83 85
85
Preece
64 80 42 85 72 57 74
Lake 80 81 Meades Lake 88 88 Toshack 64 58 85
90 Sa13 76 82 70 76 South Knife River
Lake 62 70 62 80 62 Howard
Knife
73 72 85
35 Sa13 69 70 Sa21, Sa20 Lake
67 Chrupalo 85
80 64
Sa16
73 Sa11 85 90 Delta
86
St. Croix 46 81 85 Lake 76
76 50
Shumsky
75
55 66 85 85
Island 80
Lake 48 89
85 82 80 81 Weidner 87 88 80
60 73 65
Sa9 77 85 58 Lake 79
74 57 80
88 62
74
75 Sp4
Lane Sa12 80 41 76 80
64
63
85 Sa19 84 64 86 ! 60 79
Lake 44
Aldridge 67 60 81
30 North River
Zayets Big Spruce River 81 66 Mallindine 80
! Lake 70 80 30 74 80
20 80 48 Douglas 69 85 82
Beech Point Lake Lake 70 85
22
Hughes 85 83 Rapids 80 87 60 80 Sp9
70 85 80
85 50 40 30 69 55 86
Hill 85 85 75 90
17 Sa13, 85 26 86
64 80 76 66 48 82 75 83
64 81 88 20
72
29
Sa12
Sp10
75 79 85
30 George
79
77 70
85
89 42 85 85 26 Thomson 75
Sp5 74
83 50
78 80 60 85 57 51 85 65 77 42 85 83
Island 22 63 65 55
Wolverine River 76
80 75 53 HOWARD
85
S 15 60 85
e
34 a l S 85
63 Morrice Rapids Ri Sp4 35 57 77 22 ea 84 v 78 Daniels 88 e 20 l LAKE 70
r 44 Russell Rapids Seal River 40 53 69 80 80 45 R
S i 60
82 80 Island v Eppler 65
t 45 75 79 e
e 80 44 75 60 75 r 74 84
14 GREENSTONE
83 e 72 78 60 Lake 36 68
l
80 21
35
85 25 57 85
43
R Sp4 Rankel 75 71
64 Rankine 31 90
i 85 80 30 80 BELT 42
80
v 72
Island
Wither Lake 20 39
e Island 89 80 44 43 80
r 82 Butt
Gilmour
85 Sa9
79 Dymond
40
84 60 35 Lake 51
Island Great Island 80 44 78 78 Farquharson
20 Lake
20 66
80 82 62 74 Lake38 71 62 87 50 Lavarie
40 71 80 23 82 81
75 87 60
80 60 63 28 24 Island 83 75 78 35
56 80
36
31
65 67 Wozniak 30 49 43 80 85 36
Whittaker 67
70
Lake 24 26 74 80 60 Sp13
69 Island 85 85 27 83 68
30 77 82
42 82 Sa6
70 83 90 34 46 Sa21, 22, 23
88
83 74 36 83 71 77 75 63 40
Toupin Sp5 82 13 56 32
22 45
Yonkers 53 Thibeault
73 85 80 30
Lake Lake 80 84
Lake
85 52 50 88
66
85
36 85
69 37 20 79 75 73 84
Neff Lake 34 76 89 81
60 30 45 40
80 52 26 Sp1 14 80 11 85 70 73 76
20 50 84 66 75 85 Sa21
Lobb 73 85 82 Goddard
Lake 89 24 66 89
80 Lake Harris Hill 30 65 77 56 Sa17 74 58
84 46 81 65
23 83 Passey
85 49 76 82 Sp12 Sp11
85
42 80 31
Lake
63
84 Sa9
80 20 63 86 77 82 65
Sp1 76 83
45
72
80 82 78
65 77
73
0 87 0
69 87 75 70
50 Sa14 81 0 85 0
75 89 0 Sp2, Sp3, Sp6 0 Albert MacKay 82 72
75
Lake
0 70 0
83 65 57 4 40
2 2
72 74 88 72
5 55 83 54 5
74 75
Omand 80
6 6
Sa12, Sa13
85 75 Lake 73 73
60 85
83 77 60 Sa1-5, Sa7 70 69
Shanas 60
Donen Lake 62 64
26 Lake 65 Menzoski
80 75 Lake
80 72 74 85 42
80
85
68 50
Sa13, Sa12 82 Nowell Sa14
87 Sa17 74 52 Sp1
Sa21 57 Lake
77
Bocking Deslaurier Zadworny Ingram 76 80 Sp1 38 Osadchuk
Lake Lake Lake 86
Lake 10 85
80 Lake 75 82 75
78
87 Vinie 70
Kuytoocho 75 75 Beitz 50 85
Lake Lake 50 78
Sa21, Sa19 Lake 80
84 85 77
73 Sap1
70 70 Silkey
Cameron Hill 83 Sa8
Lake 81
Howanyk Lake
Aitken 81 85
Polis 70 Lake Pady Lake
Lake 85
73 Thousin Lake Smith Esker 85
54 Duddles Lake
72 66
80 85 89 84
71
80 80
89
68 Coll Lake 86 Sp2, 73 75
Kerman Long Hill Wright 55 75
90 83
88 Sp3 Lake Lake 77 80 84
Dunnett 55 79 85 75 Sa21, Sa15, Sa20
Lake 79 76
70
63
45 85 82 Sa9, Sa8 90
26 85 47
Sap4 80 78 82 77
45 83
70 Kirkpatrick Sa21 85
Dorrian Sa18 85 Sp9
Lake Markoskie Keir 55 70 Lake Sa15
Lake 78 GARLINSKI Sp6
Lake 75
78
55 65 Nichol
56 LAKE Walmsley Lake
55 NICHOL LAKE 85 Sp1
Lake 40 55 74 GREENSTONE 90
Scott Esker PLUTON Cohen
50
60 64 Lake 35
BELT 82 80 Kendyfore 71 Lake 80
Sa21, Sa19 Fabas 85 88 86
Nodrick Lake 78 22 83 Sa8 Lake Johnston Esker 90 Stodgell 75
Heathman Lake 77
Leonard Smith Lake 72 77 88
75
Lake
Rewucki Sinclair 0 0 Sa12 0 0 Lake Hill
0 Lovat Lake 0
Sap1 85 82 Sap1 76 10 Carlstrom 80 85 63
0 0
0 Lake Graham Esker 0 79
5 80 5
65
6 Teepee 82 6
Oxenforth Bateman 35 Falls
Lake
Lake
85 85
20 57 75 81
82
81 25 85
85
60
75
66
Bozak 71 Sap4 45 70 21
Sap4 60
78
Lake 70 60 59 64 59
71
80
85 84
85 66
40 83 71
88 54 46 88 81 28 44 80
65 50 70 82 63 75 85
Dechanhooledezay River 47
59 32 71 76 76 76
75 33 Young Esker 75 81 76 80 75 62
89
25 Glenn 50 52 68 Lake 86 80 70 71 40
Sap4 68 66
Traer 60 Sap5 72
Lake 56
20 74 70 68
Sap2
25 82 Sap2 85 74 53
10 Olafson Lake
Genest
40 Lake Kelly Rapids Sap3, Sp6 14 74 30
13
15 42 63
20
48 67 85
55 85 55 46 47
600 000 620 000 640 000 660 000 680 000 700 000 720 000 740 000
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