Geology of the Connaigre Peninsula and Adjacent

47 ° 20 30 ′ ′ 12 Island Pass 35 12 Newfoundland. Geological Survey of Canada, Open File 1405. 1986b: Geological map of the Belleoram Pluton, Fortune Bay, Mineral Development Division, pages 2-5. Activities. Newfoundland Department of Mines and Energy, 1977: Harbour Breton miscellania, Newfoundland. Open File Map. ment of Mines and Energy, Mineral Development Division, 1975: Harbour Breton, Newfoundland. Newfoundland Depart- Greene, B.A. File 1404. tune Bay Newfoundland. Geological Survey of Canada, Open 1986a: Geological map of the Harbour Breton Complex, For- Furey, D. and Strong, D.F. velopment Division, Open File Map 87-056. Newfoundland Department of Mines and Energy, Mineral De- 1987: Hungry Grove Pond, Fortune Bay District, Newfoundland. Report 86-3, 129 pages. partment of Mines and Energy, Mineral Development Division, areas 1M/10, 11, 14,15,16; 2D/1,2,3 and 7). Newfoundland De- Meelpaeg Complexes, southeast Newfoundland (Parts of map Ackley Granite and parts of the North West Brook Eastern 1983: Geology, geochemistry and mineral potential of the Dickson, W.L. 79-104. and Energy, Mineral Development Division, Open File Map 1979: Gaultois map area. Newfoundland Department of Mines Colman-Sadd, S.P., Greene, B.A. and O’Driscoll, C.F. Energy, Geological Survey Branch, Report 92-1, pages 185-194. Current Research: Newfoundland Department of Mines and age Peninsula, southwestern Avalon Zone, Newfoundland. 1992: A reinterpretation of the geology parts Hemit- O’Brien, S.J., O’Driscoll, C.F., and Tucker, R.D. 35 12 12 12 Island Pass 35 10 35 ′ 10 ′ 12 35 Basse Terre O’Brien Geology, geochronology and stratigraphic nomenclature reviewed in University) and G.R. Dunning (Memorial University of Newfoundland). B.A. Greene, and U-Pb geochronology of R.D. Tucker (Washington Incorporates unpublished data of S.J. O’Brien, C.F. O’Driscoll and Furey and Strong, 1986a,b; O’Brien O’Driscoll, 1994. Dickson, 1983, 1987; Smith and Hiscott, 1984; White, 1954; 1977; O’Driscoll, Colman-Sadd, Greene and 1979; Widmer, 1950; Smith and White, 1954; Williams, 1971; Greene, 1975, Compiled by from the following sources: pilation by J.S. Ash and S.J. O’Brien. Geological base digitized at 1:50 000 by J.S. Ash; further digital com- Point AND ADJACENT AREAS, SOUTHERN NEWFOUNDLAND Grole 12 In 35 et al. Report of , 1992 and 1995. REFERENCES In GEOLOGY OF THE CONNAIGRE PENINSULA New Jersey, 439 pages plus map. Unpublished Ph. D. thesis, Princeton University, Princeton, 1950: The geology of the Hermitage Bay area, Newfoundland. Widmer, K. port and map, Geological Survey of Canada. 1954: Geology of the Rencontre East area. Unpublished re- Smith, B.L. and White. Geological Survey of Canada Paper 70-65, 39 pages. 1971: Geology of the Belleoram map area, Newfoundland. Williams, H. 1392. Canadian Journal of Earth Sciences, Volume 21, pages 1379- Fortune Bay, Newfoundland: fault-bounded basin to platform. 1984: Latest Precambrian to Early Cambrian basin evolution, Smith, S.A. and Hiscott, R.N. land, 144 pages. Memorial University of Newfoundland, St. John’s, Newfound- Peninsula, southern Newfoundland. Unpublished M.Sc thesis, 1977: Geology, petrology and geochemistry of the Hermitage O’Driscoll, C.F. Geological Survey, Map 94-243. land. Newfoundland Department of Natural Resources, 1994: Geology of the western Connaigre Peninsula, Newfound- O’Brien, S.J. and O’Driscoll, C.F. 297. sources, Geological Survey Branch, Report 95-1, pages 267- and the adjacent coast of Fortune Bay, southern Newfoundland. 1995: Pre-Carboniferous geology of the Connaigre Peninsula O’Brien, S.J., O’Driscoll, C.F., Greene, B.A., and Tucker, R.D. (Parts of NTS 1M/5, 6, 11, 12 & 14 and 11P/8 9) In Seal Cove Current Research: Newfoundland Department of Natural Re- 024 12 35 35 Stn 56 ° 1 00 56 ′ ° 00 ′ 34 29 SCALE 1:100 000 2 29 MAP 98-02 23 31 kilometres 31 18 30 3 3 CONNAIGRE BAY Harbour 34 Piccaire 2 2 30 3 scale. artment of Mines and Energy, Open File Map NFLD/2660; 1:100 000 and adjacent areas, southern Newfoundland. Geological Survey, Dep- O’Brien, S.J. (compiler), 1998: Geology of the Connaigre Peninsula Recommended citation: Mineral Occurrence Data System. Mineral occurrences compiled from the above sources and Digital cartography by J.S. Ash and T. Paltanavage. Sandyville 6810 Hermitage 31 Bird Island 12 6 2 29 Connaigre Head 30 18 2a 21 30 2 7 6 7 23 Pyr 29 6 3 29 6 23a 3 2a 31 2 Little 12 Pyr 2 31 12 567 Pyr 1 3 22 12 22 ± 6 2 4 3 Gaultois 30 2a HE 2 7 Passage

6 R 23 7 1 23a 6 6

M 30 2 29

626 I

2 T 7

± A 3 Deadman’s 25 7

Harbour GE 3 3 Great 2 Bight 2 6 18a 2 7 24 23b 31 7 3 Brunette 21 3 672 Island 2 Cu ± 6 21 3 22 7 18 5 7 30 Furby’s Breton 3 Cove 14 Hr. Cu 50 3 570 6 1 ′ 6 2 2 23 ± 50 3 3 7 7 ′ 14 7 6 7 3 Sagona 2 Island 9 7 Cu 32 8 10 7 9 6 6 7 6 9 1 3 26 7 14 25 6 14 7 14 Harbour 1 B 26a Breton

F A

6 Eastern Y Head

N 7 F 6

o csil Pyr 14a rt h Pyr,Zn 25 37 e

a 9 8 8

s 7 27 30 7 t 26a A 8 32 9 r

m 11 10 Jersey 7 38 9 14 Cu,Pb Pyr,Zn, Cu 6 1 Hr. 1 csil Pyr 14 11 39 Pyr 37 6 9 12 13 15 11 6 31 38 14 1 Lst 14a 3a 1 14 Olive 16 Cove 10 14 Pyr Pyr Zn, 39 681 9 15 10 Pyr 7 18 17 3a ± 14 9 3 Pyr 19 14 Pyr 8 1 40 Zn,Pyr 22 20 7 Pyr 1 G 8 1 10 R 23 21 7 31

E 14

A 9

T Little Cu 7 5 15b Bay B 8a 24 A 1 Y D 11 37 5

E 1 40 Hardy’s 7 8 Cove Lst 38

L 10 39 ’ 11 7 11

E 25 1 10 A 40 6 13

47b U ′ 41 1 44 15 5 25 Lst,Pyr 5 F 40 15b 14 32 18b 18 568 403 +5-4 7 28 40 18 13 F ′ ± 10 fl ep dol csil cp choc ch cco carb cas ca by bs bo ba F 14 2 26 28 1 31 13 4 F Pyr,Cu 1 7 10 13 44 7 9 27 Fe 40 10 41 6 27 47b 44 Zn,Cu,Pb 28 1 31 5 F fluorite epidote dolomite calc-silicate chalcopyrite chalocite chlorite chrysocolla carbonate cassiterite calcite beryl bismuthinite bornite barite 14 13b 1 1 Mo U Wreck Cove 7 30 4 Pb Pyr 29 36 47b 10 9 47b 10 33 32 13 31 Mo 1 25 32 Pyr Coombs O 1 9 13 34 Cove

Lst l 47b d 36 Pyr,Zn, Pb Mo 9 13a okadMnrlAbeitosCommodity Abbreviations Rock and Mineral Abbreviations 37 4 39 35 7 F 25 Cu,Fe 44 15 9 6 Mag,Cu, 28 1 U 44 25 14 Zn Pyr 40 1 46 44a 15a 37 43 4 10 44 19 Mo 44 Cu 47b 37 15 38 45 41 31 19 Fe 46 47b 16 B 5 13 44 47b a 13

y 9 42 28 44a 13b 9 Fe 44 5 41 44 MINERAL OCCURRENCE SYMBOLS 19b wof U sp q py po mu mo mal mag lst hem gr gn 19b 25 45

S 10 13

Boxey Point almo 10 44 45 13b 46 Stn 47 Pyr 19b n F Boxey 7 Pb

i 31

25a e 44 5 r 31 47 Fe 16c 44a 5 54 50 Fe 32 45 13 15 15 Mo 13 48 9 10 49 13a 9 52 wolframite uranium-bearing minerals sphalerite quartz pyrite pyrrhotite muscovite molybdenite malachite magnetite limestone hematite granite galena Pyr 1 41 P 46 46 46 45 o 5 51 Fe n 19b d 53 15 47b 13b Mo 15 1 9 56 Ambrose 2 Pyr 9 Pb 5 5a 47b 31 Mose 11 45 567 57 55 47 Pyr 9 13 16c 32 5 ± Cu,Mo 3 15 15 58 5 Mo 621 1 44 10 60 62 46 F Pyr 11 25a ± 44 Mo 47 1 3 61 44a 41 59 37 64 Mo Pyr 25 31 30 15 65 16c 63 ′ 47b 10 Mo Fe 25 25a 66 33 43 67 25 English Harbour 44 30 Ba 37 25 ′ 31 38 Fe 68 43 25 26 West 44 69 37 9 47 37 Zn W U Stn Sn Sia Pyr Pb Mo Lst Fl Fe Cu Be Ba Ba

10 HERMITAGE 70 37 25 27 47b F 25 16 C 43 i 31

16c n 18c Zinc Tungsten Uranium Building stone Tin Silica Pyrite Lead Molybdenum Limestone Fluorine Iron Copper Beryllium Barium q 10 37 F 41 25 I s 37 38 5 l 27

26 e

s

33

47a

47 D

B u B

a

25a y

a N Otter Cove o

y r d R i v er Point 24 24 Bay du Nord 25 9 Turnip Cove Corbin Bay North 44 Poole’s Cove Bay Ba 31 25a 32 71 16 F BAY 47a 19 47a 43 Stn 10 10 16 19 9 Corbin Sia 9 37 19 18a 19 73 Pyr 25 38 72 18c 31 10 21 St. Jacques 41 74 18b 24 38 Belleoram 47 551 10 23 47 16b ± 6 16a East Head Lally 24 Bay 18a ..N.NINme eoi aeStatus Deposit Name NMI Number I.D. No. 18b

10 FAULT 16a Lally Cove 21 1/n002 /12/Zn 1M /12/Pyr021 1M 001 /05/U 1M 010 o 32 /12/M 1M 010 31 /12/Cu 1M 001 30 /05/Fe 1M 29 /12/Pyr016 1M 28 /05/Lst002 1M 005 27 /12/Cu 1M 26 /12/Pyr005 1M 25 /12/Pyr006 1M 006 24 /12/Zn 1M 23 /12/Pyr004 1M 22 /12/Pyr007 1M 005 21 /12/Zn 1M 20 /12/Pyr008 1M 19 /05/Lst001 1M 001 18 /12/Zn 1M 17 /12/Pyr015 1M 16 /12/Pyr014 1M 15 /12/Pyr013 1M 004 14 /12/Cu 1M 004 13 /12/Zn 1M /12/Pyr012 1M 12 /12/Pyr023 1M 11 001 /12/Cu 1M 10 002 /12/Cu 1M 9 003 /12/Cu 1M 8 /12/Pyr011 1M 7 /12/Pyr009 1M 6 /12/Stn002 1M 5 4 2 1 01 1/ 007 o /12/M 1M /12/Pyr019 1M /12/Pyr003 1M 003 60 /05/Pb 1M 002 o 59 /12/M 1M 58 /12/Pyr018 1M 57 /12/Pyr017 1M 004 56 /12/Fe 1M 003 o 55 /12/M 1M 54 /12/Pyr002 1M 002 53 /05/Pb 1M 003 52 /12/Fe 1M 002 51 /12/Fe 1M 50 /12/Stn001 1M 007 49 /12/Cu 1M 006 48 /12/Fe 1M 47 /12/Pyr001 1M 006 46 /12/Cu 1M 001 45 /12/Fe 1M 011 o 44 /12/M 1M 002 43 /05/U 1M 003 42 /12/Zn 1M 011 41 /12/Cu 1M 40 /12/Lst001 1M 39 /12/Pyr022 1M 001 o 38 /12/M 1M 009 o 37 /12/M 1M 001 36 /05/Pb 1M 35 34 33 38 18 25a 16 18a 24 16 16b 18a 24 47 41 25 F 18b F 18a 76 75 24 16a 16 552 9 43 Pb,Zn 38 25 32 ± 37 3 9 18a 16 25a 31 16 18a 77 16a 16a 24 19a 19 19 10 18b Chapel 16 Island 20 Mo,Cu 18 19b 42 ′ 18a 16b Doctor’s Hr. 16 Pyr 19 78 e oeHead Cove Red Cove Coomb’s Taylor Hills Bay West Hill Winter Iron Cove Coomb’s ead H Hardy’s Cove East ay B e ttl i L Brook Shoal ain M Bay Connaigre "A" Bay Connaigre #3 South Cove Olive #1 South Cove Olive "B" Bay Connaigre #2 South Cove Olive "C" Bay Connaigre WhitePoint Head Frenchman #3 Harvey Hill #2 Harvey Hill #1 Harvey Hill Road Breton Harbour Cove Frenchman South Cove Frenchman East West ght i Cove B Frenchman arbour H Great Great Harbour North Southwest Harbour ippens K #2 Head Connaigre East tage ermi H Cove Seal ue’ Find Furey’s #3 Road Country Salmonier Pond #5 Head Harbour Boxey Salmonier Pond #1 #2 Road Country #1 Road Country Salmonier Pond #3 Salmonier Pond Hills #2 Harbour English Cove Open Salmonier CoveEast Salmonier CoveSoutheast Quarry Bay Old South nt Poi g Pi Cove NorthBufford Salmonier Cove PointNet West Bay Old ortheast N Cove d al B Northwest Point Boxey East Hill Winter North Hill Winter Wreck Cove PointBald Cove Shoal West Brook Rattling Cove Blunder Hill Winter 19b 80 20 18 16 18b ′ 16 9 16a 16a 25 10 Pyr 16 19b 79 18b 31 18c 16 16a 32 19 Pyr 37 Pyr 81 Pyr BELLE BAY 82 18c 25 83 25 18b 42 p n p a,co c cco, mal, cp, gn, sp, 5 7py7(U)7mo6cp,py7hem,ca7py,lst7lst7(cp),py,ep,ch6py6py6sp,py6py ch 6py q, py, cp, gn, sp, 6sp,py6py7lst csil py, 5 7py7py csil dol, py, 7 7cp,ca,ep ep ca, choc, 6sp,py,sc ep ca, choc, 7 ca ep, choc, 7py7 7 7 7py,q7py,q1gr 7mo,q7py7py7gn7mo,q7py7py7mag7mo,q7py7gn,ca ma py, gn, cp, 7mag7mag mal 3gr fl, mag, hem, bo, 7 7mag7py7 6mag,hem7mo7(U)6sp,gn,py6cp,sp,mag6lst,ca7py7mo,q7mo6gn,ca,fl,sp,py 42 16 19b 37 16a 9 16c Rocks Present Minerals and/or 32 16 16a 16a 10 7 - Indication ...... 6 - Showing ...... 5 - Prospect ...... 4 - Past Producer-exhausted ...... 3 - Past Producer-dormant ...... 2- Developed Prospect ...... 1 - Producer ...... Status: 19b 18b 24 Mo MINERAL OCCURRENCES 22 18 84 Mo 16 Mo 21 86 42 18 Mo 85 16a sil 16a 87 32 Rencontre 20 16 East 22 18 Be 21 W,Sn 88 16a Mo Mo Mo 23 20 89 91 92 ..N.NINme eoi aeStatus Deposit Name NMI Number I.D. No. 90 18b 42 19 61 1/ 005 o /12/M 1M 008 o /12/M 1M 004 o /12/M 1M 66 /12/Pyr020 1M 006 o 65 /12/M 1M 001 64 /12/Fl 1M 63 62 61 1 M/1B 001 /11/Ba 1M 010 /11/Fl 1M 011 /11/Fl 1M 119 002 /11/Fl 1M 118 009 /11/Fl 1M 117 004 /11/Fl 1M 116 012 /11/Fl 1M 115 021 /11/Fl 1M 114 001 /11/Fl 1M 113 020 /11/Fl 1M 112 008 /11/Fl 1M 111 003 /11/Fl 1M 110 013 /11/Fl 1M 109 017 /11/Fl 1M 108 016 /11/Fl 1M 107 014 /11/Fl 1M 106 015 /11/Fl 1M 105 007 /11/Fl 1M 104 006 /11/Fl 1M 103 005 /11/Fl 1M 102 101 100 91 1/b003 /11/Pb 1M 001 /11/Pb 1M 002 /11/Pb 1M 005 o 99 /11/M 1M 98 /11/Pyr001 1M 004 o 97 /11/M 1M 004 96 /11/Pb 1M 003 o 95 /11/M 1M 001 94 /14/W 1M 008 o 93 /11/M 1M 002 o 92 /11/M 1M 002 91 /14/Be 1M 006 o 90 /11/M 1M 003 o 89 /14/M 1M 001 o 88 /11/M 1M 004 o 87 /14/M 1M 86 /14/Pyr019 1M 85 /14/Pyr020 1M 84 /14/Pyr018 1M 83 /14/Pyr017 1M 82 /14/Pyr016 1M 007 o 81 /11/M 1M 005 80 /11/Pb 1M 018 79 /11/Fl 1M 019 78 /11/Fl 1M 77 /11/Pyr002 1M 76 /11/Stn001 1M 75 /14/Sia003 1M 002 74 /11/Ba 1M 003 73 /11/Ba 1M 001 72 /06/Fe 1M 001 71 /06/Ba 1M 005 70 /12/Fe 1M 69 68 67 16a 16 Pb Mo 16 18 FORTUNE BAY 18 93 94 Pyr 10 ′ 18 18 95 Mo 96 16 16

20 M 17b 18b al 16a 16a 16 17a 19 16a 16a

Pb,Cu 10 18b

18b B ′

18a a

y 16a 16 97 16a 18 otes ro #2 Brook Southeast Find Leonard’s East Brook Bottom Cut Road Barren #1 rme Cove Trammer Conne Big ead H g i B Conne LittleConne #5 Harbour Long #1 Harbour Long Head Friar #7 Harbour Long Baldy Old #6 Harbour Long #4 Harbour Long North Cove Lobster #1 Point Cove Lobster Lobster #4 Cove Point Cove Lobster #2 Point Cove Lobster #3 Point Cove Lobster #3 Harbour Long #2 Harbour Long Cove Stones Mal Bay #3 Mal Bay #1 Mal Bay #2 est WylieHill orthw N ay B al M olybdenum M Brook Dunphey Lead Brook Dunphey Cliff Crow Brook Rencontre olybdenum M Hill North Ackley City BigBlueHillPondEast Pond Frank’s Pond Hill Blue Big Motu Pond Spout Pond #2 LittleBlueHill Pond #3 LittleBlueHill Pond #1 LittleBlueHill #2 Fault Bay East #1 Fault Bay East ead IslandBelle L and sl I Chapel #1 and sl I Chapel #2 and sl I te Chapel Pyri ead H ron I Belleoram South River Nord du Bay Barasway Hill Pond ile M Three Iron Pinion Blue Barite mbrose A ose M Salmonier Pond East #1 Brook Southwest 16 16a 19 16 19 18 16 16a Pb Zn,Cu 99 16 18a Pb, 18b 98 18a F 17a 100 16 16a Stone’s Cove 17 16a Anderson’s 16 Cove F 17a 104 F F 16 103 102 F 16 101

F L

108 O F 7mo6mo,q7py7mo,q7fl,q 7ba7fl7fl7fl,q7fl7fl,q7fl7fl6fl,ba,q,ca7fl7fl7fl,ca7fl7fl7fl7fl7fl7fl7fl7fl p n p y ab h q, ch, carb, py, cp, gn, sp, 7gn6 7gn,sp5mo,py,q7py,q6mo,q ba, fl, 6gn,sp,py,fl po, py, cp, sp, mo, 6mo,q6wof,cas6mo,q bs mo, 5 6by6mo,q7 6mo,py,q,mu7mo7py ba, carb, py, 7py fl, cp, q, mo, 7py7py7py6 6gn,sp7fl7fl7py6gr7q 7ba7ba7mag,hem7ba,q7mag 7mo,q N F 107 F F F 17a

G 43a 110 106 105 109 16a 16a Friar Head 43 F F,Ba 112 16 Rocks Present Minerals and/or 16a 16 16a 111 16a 42 F 16 F 113 114 17 42 17 F F 115 16 F 16a 116 117 16 16 16a Conne 19 F Big 118 16a 16 16 H 19 16 17a 16a A 16a R 377 568 17 B

Ba O 55 ± ± 16a 16 U 3 19 F 3 16 e 119 16 m R ° 17

m 00 e 16

H 16 16 r. ′ 47 16 40 ° 47 30 50 ′ ° ′ 20 ′ ′ DEVONIAN ? SILURIAN DEVONIAN MIDDLE PALEOZOIC SILURIAN AND EARLIER SILURIAN AND/OR DEVONIAN MIDDLE CAMBRIAN LATE CAMBRIAN EARLY CAMBRIAN CAMBRIAN POOLS COVE FORMATION (Units 38 to 41) OLD WOMAN STOCK ACKLEY GRANITE GREAT BAY DE L’EAU FORMATION (Units 44 and 45) BELLEORAM GRANITE Chapel Island Formation Random Formation PASS ISLAND GRANITE INDIAN POINT GRANITE INTRUSIONS (Units 32 and 33) NORTHWEST BROOK COMPLEX AND ASSOCIATED GAULTOIS GRANITE PICCAIRE GRANITE Salmonier Cove Formation LITTLE PASSAGE GNEISS (Units 29 and 30) CINQ ISLES FORMATION Chamberlains Brook Formation YOUNGS COVE GROUP (Units 25-28) 47b 47a 25a 26a 44a 43a 47 25 27 28 31 33 34 26 32 37 38 39 41 42 44 45 46 40 35 36 29 30 43 46 47 48 49 Grey to pink, medium- and fine-grained equigranular 60 50 51 Unseparated, equigranular and K-feldspar porphyritic granite containing many small, dark-grey and green area in the lower half of unit northwest part conglomerate; red conglomerate, extensively developed granite, developed locally at pluton’s margin; 47b muscovite-biotite granite; includes unseparated, foliated, Foliated, medium-grained, equigranular, biotite- and Pale-pink, medium-grained, equigranular biotite grained amphibolitic gneiss grained paragneiss and dark-green, fine- to medium- Unseparated grey, green or pale-pink, fine- to coarse- Light-grey, medium-grained, tonalitic orthogneiss Red and green shale containing minor quartzose sand- granite Pink, medium- to coarse-grained, biotite-hornblende conglomerate, red shale, and grey limestone Red micaceous sandstone, red and grey quartz-pebble Black shale and minor grey, fine-grained sandstone Foliated, biotite-rich, pink-K-feldspar megacrystic granite Red, pebble and locally boulder conglomerate southwest part of the area east and dark-weathering, deep red to grey in the Boulder conglomerate: buff to pale orange in the north- Pink, medium- and coarse-grained, porphyritic biotite grained, leucocratic, K-feldspar porphyritic Pink, massive, coarse-grained and locally medium- gabbro; 43a diorite and quartz Dark-green, locally brown-weathering pyroxenite and Red, purple and buff, pebble to boulder conglomerate; Red arkosic sandstone, containing thin beds of pebble granite Red to orange, medium-grained, leucocratic biotite 52 pink muscovite granite of the Northwest Cove Granite Porphyry) to black inclusions; 47a red felsite and fine-grained stone lenses; 25a hornfels pebble conglomerate and shale, rare, grey lime- quartzitic arkose, grey micaceous sandstone, shale- sandstone; also contains minor red siltstone, pink Grey, micaceous siltstone and thin-bedded siliceous pink-to brown quartz-feldspar porphyry (Red Head biotite and muscovite-biotite granite and pink limestone in the upper part stone beds near the base; minor grey shale and pebble conglomerate Buff to pink and pale-orange arkosic sandstone granite; minor aplite 44a hornfels minor green conglomerate and red blackshale; bedded, brown-weathering flaggy sandstone shale and siltstone; 26a fine- to medium-grained, cross White, cross-bedded orthoquartzite; minor red and grey Grey mafic sills and flows Port aux Basques 60 11O 12B 12G Stephenville 58 58 Corner Brook 11P 12I 12A 11I 12H INDEX MAP U-Pb (zircon) geochronology site (age in millions of years) ...... Published macrofossil occurrence ...... Fold axis (anticline, syncline with direction of plunge) ...... Bedding, tops unknown (inclined) ...... Bedding, tops known (inclined) ...... Fault (defined, approximate, assumed) ...... Unconformity ...... Geological contact (defined, approximate, assumed, gradational) ...... 12P Hr. Breton 56 56 2L St. Lawrence St. Anthony Gander 2M 2E 2D 1M 1L NEWFOUNDLAND 0 54 54 km 2F 1N 2C 1K 150 ✪ John’s 52 granite St. 52 51 50 52 49 48 47 46 granite LEGEND SYMBOLS LATE NEOPROTEROZOIC FURBYS COVE INTRUSIVE SUITE (Units 2 and 3) Rencontre Formation (Units 19 to 24) Belle Bay Formation HARDY’S COVE GRANITE HARBOUR BRETON GRANITE Mooring Cove Formation Sam Head Formation Doughball Point Formation LONG HARBOUR GROUP (Units 16 to 24) Downs Point Formation and 5 may include rocks that pre-date the Connaigre Bay Group Units 6, 7 and 8 listed in increasing stratigraphic order; units 4 SIMMONS BROOK INTRUSIVE SUITE (Units 9 and 10) GROLE INTRUSIVE SUITE (Unit 12) CONNAIGRE BAY GROUP CONNAIGRE BAY GROUP ? (Units 5 and 6) TICKLE POINT FORMATION area; Unit 22 occurs only on Brunette Island) (Units 19 and 20 occur only in the northern Fortune Bay Andersons Cove Formation 14a 2 13b 13a 23a 23b 3 18b 18a 19a 17b 17a 15b 15a 19b 16b 16a 18c 16c 13 23 18 8a 19 10 11 12 14 15 16 17 20 21 22 24 1 8 4 5 6 7 9 2a 3a mafic tuff and agglomerate; minor felsic flows fine- coast of Fortune Bay contains minor red siltstone and sandstone on the north sandstone and black shale; rare grey limestone lenses; Grey and black, thin-bedded siltstone; fine-grained grey minor unseparated granodiorite and diorite to foliated amphibolite and rare mylonitic paragneiss; and metavolcanic rocks, including psammite, massive Unnamed metamorphic sequence: metasedimentary Unnamed volcanic-clastic sequence: unseparated dark- Grey to green, massive andesite and basalt; green 15b fine-grained, plagiophyric monzogranite medium- to coarse-grained, mainly equigranular, biotite rhyolite, and locally, unseparated grey to green mafic Pink-to purple, massive, banded and autobrecciated biotite granite medium- to coarse-grained, porphyritic hornblende - mainly equigranular, biotite granite; 14a pink to red, Northeast Arm bodies: pink, medium- to coarse-grained, Harbour Breton type area, Jerseymans and diorite and pink granite, the latter mainly as net-veins locally banded, quartz diorite and diorite; minor grano- to coarse-grained gabbro and grey, medium-grained, Unseparated, black and dark-green to grey, medium- felsite; 13b grey to green, medium-grained diorite Pink-to orange, medium-grained, equigranular granite; rated diorite sills and plugs aceous sedimentary rocks; locally contains unsepa- minor basalt and andesite flows interlayered, tuff- rhyolite flows and crystal- crystal-lithic felsic tuffs; felsic volcanic rocks, including massive and banded Buff- to brown-weathering, pink purple and green, Red to purple, graded and cross-bedded sandstone Dark-grey to green, fine- medium-grained diorite to coarse-grained and pegmatitic gabbro Dark-grey, green, black and black-and-white, medium- pebble conglomerate; 23b conglomerate; locally contains red siltstone; 23a cross-bedded, quartzitic arkose and granule to pebble Pink, buff-weathering, medium- to coarse-grained, (forms the base of Rencontre Formation in Purple conglomerate; minor sandstone and siltstone containing minor amounts of red siltstone Red to purple, medium- coarse-grained sandstone Red and grey, thin-bedded siltstone, fine-grained Red micaceous siltstone and interbedded, buff-weath- northern Fortune Bay area, where it lies conformably also includes unseparated, mafic and felsic dykes Medium-grained, green to dark-grey minor quartz Pink to white, equigranular, blue-quartz-bearing granite, formation; minor limestone to boulder conglomerate at or near the base of and sandstone; grey minor red, polymictic pebble Grey and green, well-bedded laminated siltstone diorite; minor unseparated, granite and hybrid rocks; and green tuffaceous sandstone; minor basalt grey and green, massive to layered mafic tuffs fels grained pyroclastic rocks; includes unseparated horn- granite; 15a K-feldspar porphyritic hornblende stone and argillite; 16c hornfels basalt and andesite; 16b pebble conglomerate sand- 13a buff to grey granodiorite and minor unseparated row screens of country rocks tone; 8a pink to purple, massive rhyolite and felsic and pebble to cobble conglomerate; red laminated silt- granodiorite and tonalite; minor gabbro Grey, medium-grained, equigranular, hornblende-biotite green-grey and black-grey black siltstone bedded quartzitic arkose; minor bright-red shale and sandstone and interbedded buff, coarse-grained, cross hornfels conglomerate; minor grey sandstone and siltstone; 19b purple, locally micaceous, sandstone, siltstone and on the Mooring Cove Formation and disconformably lithic-crystal tuff and fine-grained breccia locally, screens of volcanic rocks; 2a diabase, felsite, porphyry mafic plutonic and related hybrid rocks; 3a granite locally forming narrow sheets; minor unseparated, and sandstone loidal basalt. 18c purple and red sandstone; grey slate Taylor Brook Stock of Harbour Breton Granite: pink, tuffs and agglomerate; 16a purple to green black ate at base; 17b rhyolite Grey slate, siltstone and sandstone; 17a purple tuff- and blue-quartz-phyric granitic dykes, containing nar- ering, quartzitic arkose and pebble conglomerate the Belle Bay Formation); 19a unseparated, red and pyroclastic rocks; 18b dark green to purple amygda- 18a pink rhyolite flows and fine to coarse-grained pillowed flows on the islands south of Brunette Island; aceous sedimentary rocks; includes unseparated pyroclastic rocks, locally containing unseparated tuff- Mainly green and purple basalt flows, minor mafic aceous sandstone, pebble conglomerate and agglomer- 552 ± 3 F

quartzitic arkose as in 23,