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590000 m. E.

6650000 m. N.

590000 m. E.

6650000 m. N.

Mvt

Mvf

FvtMvt

Mvt

Scale 1:20 000

Feet 1000

Metres 1000

0

500

1000 2000

0

5000 Feet

500

3000 4000

1000 Metres

Phelps Lake Project:Geology of the Archean Ennadai-Rankin Greenstone Belt(Part of NTS 64M-14)at 1:20 000 scalePreliminary Geological Map (2001)by I.M. Coulson Catalogue Number 2001-4.2-(4)

Although the Department of Energy and Mines has exercised all reasonable care in the compilation, interpretation, and production of this item, it is not possible to ensure total accuracy, and all persons who rely on the information contained herein do so at their own risk. The Department of Energy and Mines and the Government of Saskatchewan do not accept liability for any errors, omissions, or inaccuracies that may be included in or derived from, this item.

N

Phelps Lake Project: Geology of the Archean Ennadai-Rankin Greenston Belt(Part of NTS 64M-14) at 1:20 000 scalePreliminary Geological Map (2001)by I.M. Coulson Catalogue Number 2001-4.2-(4)

LOCATION MAP

Legend

Symbols

LakeWapiyao

MiltonLake

Misekumaw

Ochaklake

Lake

LakeWalker

WayawLake

Hutcherson

ApipuyewLake

Keseechewun

Lake

NordbyeLake

HannahLake

FansonLake

BickertonLake

PhelpsLake

Bonokoski

FranklinLake

BaileyLake

Lake

MukasewLake

Lake

Gebhard

HamillLake

EmersonLake

Hewgill

Lake

Lake

WarrenLake

HaraLake

Burnett

KohnLake

Lake

Lake

NunimLake

Patterson

MisawLake

Lake

ManyIslands

This map

60°60°

59°59°

102°

102°

104°

104°

UNDESIGNATED

Intrusive Rocks

Granite, leucogranite; pale grey to salmon pink, coarse to very coarse grained, locally porphyroblastic, sheet like, weak to strong foliation

Granodiorite; light grey to pinkish grey, medium to coarse grained, sheet like, weak to strong foliation

Quartz diorite; dark greenish grey to grey, medium to coarse grained, sheet like

ARCHEAN

ENNADAI GROUP

Intrusive Rocks

Gabbro; dark greenish grey to black, typically massive and homogeneous, medium to coarse grained, occurs mainly as synvolcanic sills and dykes

Metavolcanic Rocks

Mafic massive flows; dark greenish grey, fine to medium, intercalated with pillowed mafic flows (Mvp) and includes localised vesicular, amygdaloidal and plagioclase porphyritic units

Mafic pillowed flows; dark greenish grey, fine to medium, intercalated with massive mafic mafic flows (Mvf), intercalated with hyaloclastite pillow breccia, quartz, carbonate and epidote veins, pods and patches are found locally

Mafic tuff; dark greenish grey, finely laminated, fine to medium grained, with some coarse crystal-rich horizons, local pillow breccia fragments, grades laterally into intermediate (Ivt) and felsic (Fvt) tuff.

Intermediate tuff; pale grey, fine to medium grained, finely laminated, grades laterally into mafic and felsic tuff, localised lapilli tuff breccia and crystal tuff

Felsic tuff; pale grey to buff, fine grained, massive or weakly laminated, grades laterally into mafic and intermediate tuff, possibly localised flows

Project M.132 of 2001

The area was mapped by I.M. Coulson (project leader) in the summer of 2001, with the assistance of Gary Delaney, Cameron Demmans, Charlie Harper, Curt Huebert, Jurgen Kraus, Mike Len, Scott Rainville, Tamara Reimer, Debbie Strem, and Robin Wolbaum.

This map was printed from the geologist's digital file. Geological data were processed using Palm PDA's and ArcView software. Base maps were compiled from 1:50 000 scale digital topographic maps licensed from Saskatchewan Information Services Corporation. The map was processed overall using ArcView 3.2 software.

The map is issued in a package with the Summary of Investigations 2001 Volume 2, Saskatchewan Geological Survey, and is available separately.

This map may be referenced as part of the following publication: Coulson, I.M., Kraus, J., Harper, C.T., Shives, R.B.K. (2001): Some aspects on the geology of the Archaean Ennaidai-Rankin greenstone belt, northeast Saskatchewan; in Summary of Investigations 2001, Volume 2, Saskatchewan Geological Survey, Sask. Energy Mines, Misc. Rep. 2001-4.2.

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Qd

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Mvt

Ivt

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Outcrop examined

Volcanic layering, top overturned

Dominant foliation: inclined, vertical

Fold axis: S-fold, Z-fold, M-fold

Quartz vein

Glacial striae

Geological boundary

Fault

Muskeg

Contours (10 m interval)

( 415 Spot elevation (m)