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2703 ± 2 Ma

2699 ± 3 Ma

2688 ± 1 Ma

<2687 ± 3 Ma

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<2690 ± 3 Ma

2719 ± 1 Ma

2708 ± 1 Ma

2671 ± 31 Ma

2687 ± 1 Ma

2702 ± 3 Ma

2707 ± 1 Ma

2711 ± 2 Ma

2717 ± 2 Ma

2726 ± 1 Ma

2727 ± 1 Ma

2728 ± 2 Ma

2741 ± 10 Ma

<2702 ± 1 Ma

5

5

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Baker Creek

Whitefish River

Nig

ht H

awk R

iver

Nigh

t Haw

k Ri

ver

Hazen C

reek

Beaver Creek

Hanover Creek

Calcite Creek

Sulphide Creek

Donnegana River East Wapus Creek

IR 2

FRIPP TWP

TOGO TWP

HUTT TWP

KNIGHT TWP

HINCKS TWP

MICHIE TWP

GOUIN TWP

KEMP TWP

LEITH TWP

MATTAGAMII.R. 71

DOON TWP

MOND TWP

NICOL TWP

TYRRELL TWP

GEIKIE TWP

NATAL TWP

DOYLE TWP

MOREL TWP

LEONARD TWP

RAYMOND TWP

MOHER TWP

CABOT TWP

ZAVITZ TWP

MCNEIL TWP

RANKIN TWP

FASKEN TWP

SEMPLE TWP

KELVIN TWP

MILNER TWP

BADEN TWP

NURSEY TWP

BEEMER TWP ARGYLE TWP

POWELL TWP

MONTROSE TWP

FALLON TWP

HASSARD TWP

ENGLISH TWP

YARROW TWP

ASQUITH TWP

CLEAVER TWP

VAN HISE TWP

FAWCETT TWP

DOUGLAS TWP

SOTHMAN TWP

MIDLOTHIAN TWP

ROBERTSON TWP

BURROWS TWP

BARTLETT TWP

McKEOWN TWP

HAULTAIN TWP

HALLIDAY TWP

CHARTERS TWPMIRAMICHI TWP

EMERALD TWP

MUSGROVE TWP

MCARTHUR TWP

CHURCHILL TWPBRUNSWICK TWP

CONNAUGHT TWPMACMURCHY TWP

NOBLE TWP

BANNOCKBURN TWP

LONDONDERRY TWP

EMERALD TWP

HAZEN TWP

SHEBA TWP

GROVES TWP

ROBLIN TWP CAIRO TWP

STETHAM TWP

McBRIDE TWP

CHOWN TWP

NORDICA TWPREYNOLDS TWP

LAWSON TWP

CHAMPAGNE TWP

CORKILL TWP

CHILDERHOSE TWP

KIMBERLEY TWP

SHILLINGTON TWP

ALMA TWP

ALMA TWP

IR 71

Gowganda

Matachewan

Shining Tree

¥¥560

¥¥566

¥¥560

¥¥560

¥¥144

¥¥144

¥¥66

Soot Lake

LostLake

OttoLake

MondLake

ShackLake

FirthLake

BloomLake

MarneLake

BlairLake Lloyd

Lake

HazenLake

ElmerLake

GouinLake

ForksLake

BruceLake

AragonLake

SpiderLake

StumpyLake

WaongaLake

WigwamLake

PigeonLake

DuncanLake

CrotchLake

GrassyLake

FerrisLake

RankinLake

ZigzagLake

NurseyLake

ClarkeLake

BellIsland

SempleLake

AustenLake

HincksLake

ScottLakes

CurrieLake

QuartzLake

Fortune Lake

ElkhornLake

HanoverLake

PenassiLake

LehmannLake

StethamLake

DumbellLake

FerrierLake

GeikieLakes

MarceauLake

HallidayLake

GowgandaLake

SinclairLake

SisseneyLake

Rhyolite Lake

Wabiasin Lake

Musgrove Lake

BartlettLake

RadissonLake

McArthurLake

MattagamiLake

NabakwasiLake

PettipherLake

LongpointLake

ObushkongLake

KapiskongLake

PeterlongLake

WhitefishLake

SplitrockLake

Okawakenda Lake

DuckbreastLake

MetikemedoLake

KenetogamiLake

MidlothianLake

MistinikonLake

MatachewanLake

KitchimingLake

PapakomekaLake

LondonderryLake

LowerForksLake

KenogamissiLake

HangingstoneLake

UpperGrassyLake

LowerStetham

Lake

MiddleStetham

Lake

MountSinclair

Lake

LowerMichegama

Lake

LowerOpikinimika

Lake

PearLake

Claw Lake

BankerBay

MoherLake

MosherLake

LeHeupLake

ArthurLake

ReadingLake

HoustonLake

BigfourLake

SothmanLake

MontroseLake

FryingpanLake

FlatstoneLake

CanoeshedLake

MuskasendaLake

ShillingtonLake

MichiwakendaLake

LowerMatachewan

Lake

EastShining

TreeLake

47°29′36″

30′

40′

50′

48°00′00″

10′

47°29′41″

30′

40′

50′

48°00′00″

10′

81°40′26″48°16′36″

30′ 20′ 10′ 81°00′00″50′ 40′ 80°35′44″

48°16′35″

80°36′06″40′50′81°00′00″10′20′30′81°39′49″

60

40

70 80 90500000m 10 525000m

520000m10500000m90807060

70

80

90

5300000m

10

20

30

5345000m

30

20

10

5300000m

90

80

5265000m

455000m 65 75 85 95 05 15 20

40

35

25

15

05

95

85

75

70

5345000m

35

25

15

05

95

85

75

5265000m

455000m 65 75 85 95 05 15 25

PRECAMBRIANPROTEROZOIC

15a Matachewan (2452 Ma) (NW)15b Biscotasing (2167 Ma) (ENE)15c Sudbury (1238 Ma) (WNW)15d Abitibi (1140 Ma) (ENE)

INTRUSIVE CONTACT

Alkalic Intrusive Suite13a Syenite, monzonite, granite13b Diorite, syenodiorite, monzogabbro, hornblendite13c Schistose-textured

Felsic to Intermediate Intrusive Suite12a Tonalite, granodiorite, trondhjemite12b Granite, quartz monzodiorite, quartz diorite12c Schistose-textured

Porphyry Suite11a Porphyry11b Quartz and/or feldspar porphyry11d Tonalite, granodiorite

Mafic Intrusive Rocks10a Diorite, gabbro, metagabbro10b Porphyritic10c Anorthositic gabbro, leucogabbro10d Granophyre

Ultramafic Intrusive Rocks9a Peridotite, pyroxenite9c Schistose-textured

INTRUSIVE CONTACT

Timiskaming-Type Clastic Metasedimentary Rocks8a Arenite8b Wacke8c Conglomerate8d Mudstone, siltstone8e Schistose-textured

UNCONFORMITY

Chemical Metasedimentary Rocks7a Iron formation7b Oxide facies7c Sulphide facies7d Silicate facies, chert7e Graphite facies

Clastic Metasedimentary Rocks 6a Arenite6b Wacke6c Conglomerate6d Mudstone, siltstone6f Schistose-textured

5i Tuff, lapilli tuff, lapillistone5j Pyroclastic breccia, flows, autoclastic breccia

Felsic (to Intermediate) Metavolcanic Rocks/Intrusions4 Unsubdivided 4a Massive flows4b Tuff, lapilli tuff4c Tuff breccia, pyroclastic breccia 4d Porphyritic4e Spherulitic4f Schistose-textured4C Calc-alkalic4T Tholeiite

Intermediate (to Felsic) Metavolcanic Rocks/Intrusions3a Massive flows3b Pillowed flows3c Variolitic flows3d Hyaloclastite, flow breccia3e Amygdaloidal flows3f Tuff, lapilli tuff3g Tuff breccia, pyroclastic breccia3h Schistose-textured 3C Calc-alkalic3T Tholeiite

Mafic (to Intermediate) Metavolcanic Rocks/Intrusions2a Massive flows2b Pillowed flows2c Variolitic flows2d Hyaloclastite, flow breccia2e Amygdaloidal flows2f Tuff, lapilli tuff2g Tuff breccia, pyroclastic breccia2h Schistose-textured2C Calc-alkalic2F High-iron tholeiite2M High-magnesium tholeiite2T Tholeiite

Ultramafic (to Mafic) Metavolcanic Rocks/Intrusions1a Massive flows/intrusions1b Polysutured flows1c Spinifex-textured flows1d Pillowed flows1f Schistose-textured 1B Basaltic komatiite1K Komatiite1O Olivine-spinifex

Alkalic and Subalkalic Metavolcanic Rocks/Intrusions(Unconformable Timiskaming Type)Alkalic Metavolcanic Rocks/Intrusions5a Massive flows5b Porphyritic flows5c Tuff5d Breccia, pyroclastic breccia5e Schistose-texturedSubalkalic Metavolcanic Rocks Intermediate to Felsic Reworked Metavolcanic Rocks5f Wacke, tuff5g Lapilli tuff, lapillistone5h Tuff breccia, pyroclastic breccia

Intermediate to Felsic Metavolcanic Rocks

16a Lorrain Formation16b Gowganda Formation

Sedimentary Rocks

Mafic Intrusive Rocks:

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Bedding unsubdivided,facing unknown (trend only,inclined, vertical)

Graded bedding,facing known (trend only, inclined)

Sedimentary bedding, facingknown (vertical,overturned)

Pillowed flow, facing unknown(trend only,inclined, vertical)

Pillowed flow,facing known(vertical, overturned)

Foliation, unknown generation (trend only)

Foliation,1st generation (inclined, vertical)

Lineation, unknown generation

Ag ± (Au, Bi, Co, Cu, Fe, Mo, Pb, Zn)

Fault or deformationzone

Major fold (anticline)

Major fold (syncline)

Geological contact

Mineral Deposit Commodity*

Scale 1:100 000

MAP P.3527

PRECAMBRIAN GEOLOGY

GEOLOGICAL COMPILATIONOF THE

MATACHEWAN AREA,ABITIBI GREENSTONE BELT

NTS References: 41 P/6, 7, 10, 11, 14, 15; 42 A/2, 3, 6, 7

This map is published with the permission of the Senior Manager,Precambrian Geoscience Section, Ontario Geological Survey.

HURONIAN SUPERGROUP

17

16

15

13

12

11

10

9

8

6

5

4

3

2

1

LEGEND

Ontario Geological Survey

Location Map

SYMBOLS

Geochronology datesite (Ma)

Mineral Deposit Size

asbe ± (Ag, Au, Cu, Ni)Au ± (Ag, Co, Cr, Cu, Fe, Mo, Ni, Pb, Pd, W, Zn)

Cu ± (Ag, asbe, Au, Co, Fe, Mo, Ni, Pb, Zn)

bariBi ± (Mo)Co ± (Ag, Au, Cu, Ni)

Fe ± (Ag, Au, Cu, Ni)gmhmMo ± (Au, Ag, Cu, Pb)Ni ± (Ag, Au, Co, Cr, Cu, Pb, Zn)Pb ± (Ag, Cu, Ni, Zn)Ptm ± (Cr, Cu, Ni)Zn ± (Ag, Au, Cu, Fe, Ni, Pb)

Mineral Deposit Type

Producing/past producing mine

Prospect

Occurrence

Felsic to Intermediate Intrusion-Associated Deposits

Mafic to Ultramafic Volcanic and Intrusion-Associated Deposits

Sediment-Associated Deposits

Vein/Replacement Deposits

Volcanic-Associated Deposits

Unknown Hard Rock Deposit Type

This geological compilation of the Matachewan area is the fifth in a seriesof 1:100 000 maps and GIS data sets of the Abitibi Subprovince inOntario being compiled over the next few years.

This geological map of the Matachewan area was compiled from publishedmaps and reports of the Ontario Geological Survey and the GeologicalSurvey of Canada. In addition, information from unpublished reports andmaps on file with the Ontario Geological Survey, university theses, papers inprofessional journals, geophysical maps and satellite images wereincorporated.

Geological interpretation was further enhanced by utilizing the EarthResources and Land Information System (ERLIS) databases such asthe Assessment File Resource Inventory (AFRI), the Drill Hole (DH)database, the Lithogeochemical (LGC) database and the MineralDeposit Inventory (MDI) database.

Magnetic declination in 1999 through the center of the map area was10°50′ W. Mean annual change is 0.8° easterly.

*Abbreviations used for commodities:

Ag = silverasbe = asbestosAu = goldbari = bariteBi = bismuthCo = cobalt

Cr = chromiumCu = copperFe = irongmhm = hematiteMo = molybdenumNi = nickel

Pb = leadPd = paladiumPtm = platinum mineralsW = tungstenZn = zinc

2. Ashley3. Bartlett4. Bishop5. Bonsall6. Capitol7. Castle8. Castle-Trethewey9. Herrick10. Hudson Bay11. Kell12. Mann13. Matachewan14. Matarrow

This is a compilation legend.Units preceded by "G" are based on interpretation from aeromagnetic maps; those preceded by "D" are from drilling information; "C" denotes compiled information.Rocks are subdivided lithologically and the order does not imply age relationships within or among groups.

CREDITSGeological compilation and interpretation by J.A. Ayer and N.F. Trowell.

Compilation of mineral deposit data by J.A. Ayer and N.F. Trowell.

Preparation of base map by S. Josey and M. Nevills.

Preparation of geophysical imagery by S. Josey and M. Nevills.

GIS compilation of data by S. Josey and M. Nevills.

To enable the rapid dissemination of information, this map has notreceived a technical edit. Discrepancies may occur for which theOntario Ministry of Northern Development and Mines does not assumeliability. Users should verify critical information.

Issued 2003.

Information from this publication may be quoted if credit is given. It isrecommended that reference to this map be made in the following form:

Ayer, J.A., Trowell, N.F., Josey, S., Nevills, M. and Valade, L. 2003. Geological compilation of the Matachewan area, Abitibi greenstone belt; Ontario Geological Survey, Preliminary Map P.3527, scale 1:100 000.

The Abitibi Subprovince is an 800 by 300 km Archean “granite-greenstone”domain situated along the southern margin of the Superior Province. It isdominated by supracrustal and granitoid rocks with a range of ages from2.75 to 2.67 Ga (Jackson and Fyon 1991). Historically, the Abitibi greenstone belt was considered to be that portion of the Abitibi Subprovince extending to the western margin of the extensive granitoid complexes west of Timmins. New mapping and geochronological evidence (Heather et al. 1995) shows that the Swayze greenstone belt contains many of the structures and stratigraphic ages typical of the Abitibi belt in the Timmins–Kirkland Lake area and is now interpreted to represent a deeper erosional level of a once-continuous Abitibi greenstone belt extending to the Kapuskasing Structural Zone.

The Abitibi greenstone belt is one of the world's largest, best preserved and most economically productive greenstone belts in the world.

The Matachewan map sheet covers the area from approximately 15 kmeast of Gogama as far east as the western boundary of the 1:100 000Kirkland Lake map sheet (P.3425), and from the southern margins of the1:100 000 Timmins and Lake Abitibi map sheets (P.3379 and P.3398, respectively) to approximately 20 km south of Gowganda. Rocks are classified on the basis of their dominant lithology using textures, structures and both approximate and specific compositions to refine the classification. Geological information has been primarily compiled from previous mapping. New interpretations of the extent of lithological units, specifically in the areas lacking outcrop, have greatly benefited from the use of the reprocessed geophysical data for this area (Gupta 1995, 1996). As well, geochemical data have allowed for the further subdivision of the metavolcanic rocks.

THE ABITIBI SUBPROVINCE

15. Midlothian16. Miller Lake 117. Miller Lake 218. Millerett19. Morrison20. Reeve21. Ryan Lake22. Stairs23. Texmont24. Tonapah25. Tyranite26. Wasapika27. Welch28. Young Davidson

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SOURCES OF INFORMATION

REFERENCES

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ROBERTSON

Lake

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81°82°

LEE

EBY

LEO

RAY

YEO

COOK

BOND

EGAN

CODYENID

BARR

TECK

OTTOBURT

DACK

CANE

AULD

FARR

ALMA

SHAW

HUTT

DOON

KEMP MOND

COLE

DANE

TOGOJACK

FREY

VA

DALE

ERIC

MELBA

LEBEL

BLACK

GROSS BLAIN

TRUAX

BRYCE

KLOCK

SMYTH

JAMES

BANKS

SHEBA

CAIRO

BADEN

MOREL

NICOL

LEITH

NATAL

TERRY

CHOWN

RORKE

SELBY

AMYOT

ADAMS

OGDEN

PRICE

DOYLE

FRIPP

MOHERGOUIN

CABOT

REGAN

WIGLE

SOMME

HAZEN

NOBLE

KEITH

GENOA

OSWAY

SMUTS

ARDEN

CAREW

LUN

BISLEY

BARNET

BOWMANCURRIE

McCANN

BOSTON

PACAU

SAVARD

BOMPAS

HOLMES

SHARPE

BARBER

MICKLE

WALLIS

LAWSON WILLET

McEVAY

MICHIE

POWELL

ARGYLE

THOMAS

FALLON

CARMAN

HINCKS

GEIKIE

ZAVITZ

FASKEN

McNEIL

RANKIN

YARROW

MILNER

KELVIN KNIGHT

SLADEN MEDINA

GAMBLE

PARKER

LECKIEMOFFAT

SHEARD

CORLEY

DELORO

BEEMER

DENTONKEEFER

NURSEY

GROVES

WHALEN

POTIER

CARTER

ROBLIN

REEVES

SWALD

McOWEN

MARION

SEWELL

FRATER

GARVEY

FINGAL

JOFFRE

ALCONA

SEMPLE

BENOIT

MASSEY

ELLIOTT

MACKLEM

KITT

MARQUIS

TUDHOPE

SPEIGHTCORKILL

WHITSON

NORDICA

TIMMINS

DOUGLAS

CLEAVER

FAWCETTASQUITH

RAYMOND

TYRRELL

LEONARD

TOLSTOI

DUNMORE

OGILVIEDONOVAN

HASSARD

McKEOWNHILLARY

PHARAND

BRISTOL

McBRIDE

BURROWS

EMERALD

STETHAM

MELROSE

USKEGO

ORWOOD

HUFFMAN

MALLARD

CHESTER

VROOMAN

ARBUTUS

NEVILLE

ENGLISH

SOTHMAN

HENW

GODFREY

PLAYFAIRSHERATON

TURNBULL

DAVIDSON

FLAVELLE

WILLISON

GRENFELL

LANGMUIR

MONTROSE

HAULTAINVAN HISE

HALLIDAY

CHARTERS

McGIFFINDUFFERIN

HODGETTS

BROWNING

BREWSTER

MUSGROVE

REYNOLDS

CROTHERS

NORTHRUP

STRACHAN

HARDIMAN

HENNESSY

ELDORADO

McARTHUR

BARTLETT

MIRAMICHI

BERNHARDT

ROBILLARD

ROADHOUSE

MACMURCHYCHURCHILL

KIMBERLEY

TRETHEWEY

THORNELOE

MATTAGAMI

BRUNSWICKST. LOUIS

GARDHOUSE

CHAMPAGNE

WESTBROOK

INVERNESSBISCOTASI

BENNEWEIS

EDINBURGH

CONNAUGHT

GARIBALDI

CATHARI

BEAUCHA

BR

MORRISET

BLACKSTOCK

MIDLOTHIAN

CARSCALLENWHITESIDES

MIDDLEBORO

PENHORWOODKENOGAMING

DESROSIERS

MAISONVILLE

BANNOCKBURN

SHILLINGTON

CHILDERHOSE

LONDONDERRY

CHAMBER

NORTH WILLIAMS

Osseo

Jerome

Ramsey

Gogama

Ramore

Westree

Tionaga

Palomar

TIMMINS

Tyranite

GlenvaleC

Gowganda

Elk LakeStackpool

Matachewan

Shining Tree

Kirkland LakeChaput Hughes

South Porcupine

Bay

Lake

Hawk

Lake

Lake

Lake

Lady

Lake

Lake

Lake

Lake

Lake

LakeRice

LakeRush

Lake

Makobe

Evelyn

Watabeag

Hardiman

Nipissin

Mattagami

DonneganaBiscotasi

Nabakwasi

Minisinakwa

Kenogamissi

Tatachikapika

1 cm equals 20 km

PHANEROZOICCENOZOIC

QUATERNARY

PLEISTOCENE AND RECENTSand, gravel, clay and wetland deposits

UNCONFORMITY

NIPISSING

diabase, granophyre

ARCHEANNEOARCHEAN

Diabase Dikes

Past Producing Mines

1. Ontario Barium

Present Producing Mine

Queen's Printer for Ontario, 2003.©

1000 m 0 1 2 3 4 5 km

A significant number of past-producing silver mines are present in theGowganda part of the Matachewan area. Other past-producing minesproduced various amounts of gold, bismuth, cobalt, copper, lead,molybdenum, nickel and zinc. The industrial mineral asbestos has beenproduced in the past, while the Ontario Barium Mine is presently producingbarite. The potential exists for structurally controlled gold mineralization invarious host rocks. Copper-zinc-lead mineralization may be found inassociation with metavolcanic sequences. Potential exists for nickel-copper-platinum in the ultramafic/komatiitic rocks identifed in the area.

50

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Ayer, J., Amelin, Y., Corfu, F., Kamo, S., Ketchum, J., Kwok, K. andTrowell, N. 2002. Evolution of the southern Abitibi greenstone beltbased on U-Pb geochronology: autochthonous volcanic constructionfollowed by plutonism, regional deformation and sedimentation;Precambrian Research, v.115, p.63-95.

Ayer, J.A. and Trowell, N.F. 2002. Geological compilation of the Swayzearea, Abitibi greenstone belt; Ontario Geological Survey, PreliminaryMap P.3511, scale 1:100 000. Ayer, J.A., Trowell, N.F., Valade, L., Nevills, M. and Madon, Z. 2002.Geological compilation of the Swayze area, Abitibi greenstone belt;Ontario Geological Survey, Miscellaneous Release–Data 93.

Ayer, J.A. and Trowell, N.F. 2001. The Abitibi greenstone belt; aprogram update; in Summary of Field Work and Other Activities 2001, Ontario Geological Survey, Open File Report 6070, p.4-1 to 4-9.

Ayer, J.A. and Trowell, N.F. 2000. Geological compilation of theKirkland Lake area, Abitibi greenstone belt; Ontario Geological Survey,Preliminary Map P.3425, scale 1:100 000.

Ayer, J.A, Trowell, N.F., Valade, L., Amyotte, E. and Madon, Z. 2000.Geological compilation of the Kirkland Lake area, Abitibi greenstonebelt; Ontario Geological Survey, Miscellaneous Release–Data 58.

Ayer, J.A., Trowell, N.F., Madon, Z., Kamo, S., Kwok, Y.Y. and Amelin, Y.1999. Compilation of the Abitibi greenstone belt in the Timmins–Kirkland Lake area: revisions to stratigraphy and new geochronologic results; in Summary of Field Work and Other Activities 1999, Ontario Geological Survey, Open File Report 6000, p. 4-1 to 4-14.

Ayer, J.A., Berger, B.R. and Trowell, N.F. 1999. Geological compilationof the Lake Abitibi area, Abitibi greenstone belt; Ontario GeologicalSurvey, Preliminary Map P.3398, scale 1:100 000.

Ayer, J.A., Trowell, N.F., Berger, B., Madon, Z., Zalnieriunas, R. andValade, L. 1999. Geological compilation of the Lake Abitibi area, Abitibigreenstone belt; Ontario Geological Survey, Miscellaneous Release–Data 46.

Ayer, J.A., Trowell, N.F., Amelin, Y. and Corfu, F. 1999. Geologicalcompilation of the Abitibi greenstone belt in Ontario: towards a revisedstratigraphy based on compilation and new geochronology results;p. 14-24 in Summary of Field Work and Other Activities 1998, OntarioGeological Survey, Miscellaneous Paper 169.

Ayer, J., Berger, B., Johns, G., Trowell, N., Born, P. and Mueller, W. 1999.Late Archean rock types and controls on gold mneralization in thesouthern Abitibi greenstone belt of Ontario; Geological Association ofCanada–Mineralogical Association of Canada, Joint Annual Meeting,Sudbury 1999, Field Trip B3 Guidebook, 73p.

Ayer, J.A. and Trowell, N.F. 1998. Geological compilation of the Timminsarea, Abitibi greenstone belt; Ontario Geological Survey, PreliminaryMap P.3379, scale 1:100 000.

Ayer, J.A., Trowell, N.F., Madon, Z., Wilson, A., Messier, L. and McIlraith,S.J. 1998. Geological compilation of the Timmins area, Abitibi greenstonebelt; Ontario Geological Survey, Miscellaneous Release-Data 36.

Ayer, J.A., Trowell, N.F., Madon, Z. and Corfu, F. 1997. Geological compilation of the Abitibi greenstone belt in Ontario: the correlation of metallogenic potential with stratigraphy; p. 3-9 in Summary of Field Work and Other Activities 1997, Ontario Geological Survey, Miscellaneous paper 168, 149 p.

Ayer, J.A. and Trowell, N.F. 1996. Geological compilation of the Abitibigreenstone belt, Ontario; p. 19-22 in Summary of Field Work and OtherActivities 1996, Ontario Geological Survey, Miscellaneous Paper 166, 198 p.

Ayer, J.A. and Trowell, N.F. 1995. Geological compilation of the Abitibigreenstone belt, Ontario; p. 5-8 in Summary of Field Work and OtherActivities 1995, Ontario Geological Survey, Miscellaneous Paper 164, 305 p.

Gupta, V.K. 1996. Ontario airborne magnetic and electromagnetic surveys:Archean and Proterozoic “Greenstone” belts; in Summary of Field Work and Other Activities 1996, Ontario Geological Survey, Miscellaneous Paper 166, p.168-176.

Gupta, V.K. 1995. Processing of airborne magnetic and electromagneticsurveys: progress report; in Summary of Field Work and Other Activities1995, Ontario Geological Survey, Miscellaneous Paper 164, p.299-300.

Heather, K.B., Shore, G.T. and van Breemen, O. 1995. The convoluted "layer-cake": an old recipe with new ingredients for the Swayze greenstonebelt, southern Superior Province, Ontario; Current Research 1995-C,Geological Survey of Canada, p.1-10.

Jackson, S.L. and Fyon, J.A. 1991. The western Abitibi Subprovince inOntario; in Geology of Ontario, Ontario Geological Survey, SpecialVolume 4, Part 1, p. 404-482.

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