Location Map

2213

5061

80

77

80

73

74

66

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60

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37

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525753

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40

77

57

52

83

66

73

62

80

48

6958

56

84

35

74

77

Jg

gdp

qfn

bgn

FLrc

JLo

bgn

bgn

qfngdp

rk

rk

pegpeg

Jg

JLo

511000

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104°45'W

104°45'W

57°5'N 57°5'N

Scale 1:20 0000 0.5 10.25

Kilom etres0 0.2 0.4 0.6 0.8 10.1

Miles

This Map

La keFosterUpper

La ke

La keDobbin

La ke

La keMiddleFoster

Burbidge

La keBig S a n dy

La keHighrock

La keBa iley

74A-14 74A-15

74H-03 74H-02

74A-16

74H-01

74H-06 74H-07 74H-08

74A-11 74A-10 74A-09

105°W

105°W

57°N 57°N

Although the Saskatchewan Ministry of the Economy 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 Ministry of the Economy 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. Glacial Drift Undivided Intrusive Rocks Pegmatite: pin k to buff pin k grey1; very coa rse to coa rse gra in ed; m ore tha n on e a ge, va ria tion s in clude: (a ) a ctin olite bea rin g, (b) thorium a n d ura n ium en riched with m a gn etite, (c) low pota ssium , (d) m uscovite a n d tourm a lin e bea rin g ------------------------------------------------------- Intrusive Contact ---------------------------------------------------------- Granodiorite: buff; m edium gra in ed; feldspa r porphyrobla stic; biotite (3-10%) ------------------------------------------------------- Intrusive Contact ---------------------------------------------------------- Paleoproterozoic Protomylonite and Mylonite: light grey to m a roon grey; very fin e to fin e gra in ed; equigra n ula r; la m in a ted; stron g lin ea tion Wollaston Supergroup2 (circa 2.07-1.86Ga) Fraser Lake Formation Arkose and calc-silicate: light grey to m a roon -green ; fin e to m edium gra in ed; thin ly to thickly bedded; stron gly folia ted to stron gly lin ea ted loca lly; a rkose is less dom in a n t: wea kly to m odera tely hem a titic, pa rtia l m elts loca lly; ca lc-silica te is dom in a n t: qua rtz (30-50%), a ctin olite (5-25%), diopside (5-20%), ca lcite (10-20%) ± epidote Undivided Wollaston Supracrustal Rocks Arkose with intercalated quartz arenite: light grey to greyish pin k; very fin e gra in ed to fin e gra in ed; equigra n ula r; thin ly to thickly bedded; stron gly folia ted; a rkose dom in a n t: qua rtz (30-60%), K-feldspa r (25-40%), pla giocla se (5-7%), ± biotite ± a m phibole; m in or qua rtz a ren ite: qua rtz (50-80%), K-feldspa r (10-20%), pla giocla se (15-20%) ± biotite Arkose: buff to grey pin k to light grey; very fin e gra in ed to fin e gra in ed; thickly bedded; m a ssive to wea kly folia ted; qua rtz (30-60%), K-feldspa r (25-40%), pla giocla se (5-15%) ± biotite ± horn blen de; cut by thin qua rtzofeldspa thic segrega tion vein s a n d clots Arkose with intercalated wacke: fin e to very fin e gra in ed; thick bedded; wea kly folia ted; a rkose dom in a n t: pin kish buff to light grey, loca l hem a titic len ses; loca l pa rtia l m elts; m in or thin beds a n d la m in a e of wa cke: brown ish-grey, qua rtz (30-50%), K-feldspa r (20-30%), pla giocla se (10-15%), biotite (10-20%), loca lly higher con cen tra tion s of biotite. K-rich arkose and wacke: over 4% K spectrom eter rea din g; sim ila r properties to r2 Rafuse Lake Formation Undivided: in cludes som e or a ll of m em bers listed below Conglomerate: sa lm on -pin k to grey; m a trix to cla st supported; dom in a n t sub-roun ded pebble size qua rtz cla sts with m in or a rkose cla sts; m a trix recrysta llized: qua rtz (30-70%), pla giocla se (20-50%), biotite (5-10%); wea kly lin ea ted a n d folia ted Calc-silicate breccia: green ish white to grey; m a trix to cla st supported; pla giocla se a n d a ctin olite rich fra gm en ts with ra re a rkose fra gm en ts, a n gula r to suba n gula r cla sts; m a trix fin e-to m edium -gra in ed a ctin olite a n d pla giocla se; wea k to m odera te folia tion Felsic rock: pin k-buff-light grey; fin e to very fin e gra in ed; m a ssive; hom ogen ous; low K%; less tha n 5% m a fics Wacke: grey to green ish brown ; fin e gra in ed to very fin e gra in ed; hom ogen ous; m odera tely to stron gly folia ted; qua rtz (30-50%), K-feldspa r (20-30%), pla giocla se (10-25%), biotite (10-15%), a m phibole (5-10%), epidote (2-3%) ± m a gn etite Siltstone and wacke: light to da rk grey a n d brown ish grey; fin e to very fin e gra in ed; hom ogen ous to la m in a ted; m odera tely to stron gly folia ted; qua rtz (30-50%), K-feldspa r (15-30%), pla giocla se (10-25%), biotite (5-20%) ± a m phibole; loca l qua rtz blebs a n d segrega tion s Granitized siltstone: grey to buff brown to pin k; differen tia l wea therin g; very fin e gra in ed; well folia ted; qua rtz (30-70%), K-feldspa r (20-40%), pla giocla se (10-20%), ± biotite ± epidote; va ria bly a ssim ila ted by fin e gra in ed gra n itoid; epidote in loca l fra ctures Quartz arenite and wacke: buff to grey; fin e to m edium gra in ed; well folia ted; qua rtz (40-70%), K-feldspa r (5-15%), pla giocla se (5-15%), biotite (5-20%), a m phibole (5-20%); m in or thin beds a n d la m in a e of wa cke: brown ish-grey; qua rtz (30-50%), K-feldspa r (20-40%), pla giocla se (10-15%), biotite (10-20%); loca l dissem in a ted a m phibole a n d qua rtz blebs a n d segrega tion s Arkose: pin k to buff-grey in pa rts m ottled; fin e gra in ed; m a ssive to well folia ted; quartz (25-40%), K-feldspa r (15-30%), pla giocla se (5-10%), biotite (5-10%), a m phibole (5-10%) ± m a gn etite; loca l 1-2cm qua rtzofeldspa thic len ses

K-rich arkose: sim ila r properties to R La ; over 4% K spectrom eter rea din g3 Hornblende plagioclase granulite: da rk green to da rk grey; fin e to m edium gra in ed; irregula r-sha ped clots of m edium to gra in ed a m phibole, m a gn etite a n d feldspa r; qua rtz (40-50%), pla giocla se (15-30%), horn blen de (20-40%), ± m a gn etite Janice Lake Formation Polymictic conglomerate: grey to grey-brown ; m a trix supported; roun ded to sub roun ded pebble to cobble sized cla sts; dom in a n t a rkose cla sts with m in or gra n itoid, a m phibolite, a n d qua rtzite; m a trix recrysta llized; qua rtz-pla giocla se-biotite; low to m odera te MS 4; wea k lin ea tion ; m odera te folia tion ; Magnetite bearing polymictic conglomerate: sim ila r properties to JLo2; MS : 15-40 (10-3 S I) Intercalated conglomerate and sandstone: m a roon to grey-white; m odera tely to stron gly folia ted; low to m odera te MS ; dom in a te sa n dston e: m ottled m a roon to white; fin e to very fin e gra in ed; m m to cm sca le la m in a e; thin ly to thickly bedded; m in or con glom era te beds 1-2cm thick; cla st supported with dom in a n tly pebble sized hem a titic cla sts Sandstone: la m in a ted color ba n ds of purple, green , m a roon , beige, very fin e gra in ed to fin e gra in ed; loca lly hem a tized; qua rtz (30-70%), K-feldspa r (20-30%), pla giocla se (15-30%) ± epidote ± hem a tite ± m a gn etite

Magnetite bearing sandstone: m ottled to la m in a ted m a roon , fin e gra in ed, loca lly hem a tized, thin to m edium bedded, m odera tely to stron gly folia ted; qua rtz (30-70%), K-feldspa r (20-30%), pla giocla se (15-30%) ± epidote ± hem a tite ± m a gn etite; very high MS : 15-30 (10-3 S I) Fanglomerate: m ottled m a roon to buff grey; va ria bly hem a titic; m a trix to cla st supported; dom in a n tly sub-roun ded to sub-a n gula r la m in a ted a n d m a ssive a rkosic cla sts up to m eters in dia m eter, m in or roun ded to sub roun ded gra n itoid, qua rtzite, a n d a m phibolite cla sts a re cen tim eters in dia m eter; m a trix recrysta llized, fin e to m edium gra in ed qua rtz (30-60%), pla giocla se (20-50%), biotite (5-15%), a m phibole (5-15%) ± epidote ± m a gn etite; wea k to loca lly stron gly lin ea ted a n d folia ted

--------------------------------------------------------- Unconformity -------------------------------------------------------------- Roper Bay Formation Quartzofeldspathic gneiss: pin k to buff; m edium to coa rse gra in ed; biotite folia ; leucocra tic gra n itoid segrega tion s; m in or qua rtz-rich la yers

Arkose: buff; K-feldspa r rich len ses with horn blen de (10-15%) in qua rtzofeldspa thic rock; len ses of fin e to m edium gra in ed feldspa r a n d a m phibole Thompson Bay Formation Biotitic gneiss: grey to brown wea therin g; m edium to coa rse gra in ed; stron gly folia ted; qua rtzofeldspa thic segrega tion s; pa rts with porphyrobla sts of ga rn et ± sillim a n te ± cordierite; in cludes la yers of qua rtzite, biotite qua rtz feldspa r gra n ulite a n d ga rn etiferous biotite qua rtz feldspa r gra n ulite, a ctin olite shist Bole Bay Formation Pelite and psammopelite: very distin ctive pin k-brown -grey a n d grey-white; fin e to m edium gra in ed; thin ly to thickly bedded; stron gly folia ted; a bun da n t tight to isoclin a l folds; pelite dom in a n t: 30-60% n eosom e: K-feldspa r (55-60%), coa rse gra in ed cordierite (10-20%), sillim a n ite (2-5%), up to 20% biotite in selva ges; subordin a te psa m m opelite with Psammite to psammopelite: pin k to pin kish grey; fin e to coa rse gra in ed; thin ly to thickly bedded; loca l pelite; stron gly folia ted; a bun da n t tight to isoclin a l folds; psa m m ite: hom ogen eous; qua rtz (30-70%), K-feldspa r (20-30%), pla giocla se (20-30%) ± bioite ± a m phibole; psa m m opelite: qua rtz (30-60%), pla giocla se (15-30%), biotite (5-10%) ± a m phibole with up to 10% K-feldspa r-rich n eosom e con ta in in g cordierite (5-10%), sillim a n ite (2-5%), biotite (2-5%) --------------------------------------------------------- Unconformity-------------------------------------------------------------- Archean Johnson Lake Inlier Granite: pin k; m edium to coa rse gra in ed; leucocra tic; biotite (3-7%); m odera lly folia ted; loca lly stron gly lin ea ted 1 Colours refer to wea thered surfa ces un less otherwise n oted 2 Form a tion s a re shown in their rela tive stra tigra phic position s; stra tigra phic rela tion ships of m em bers in R a fuse La ke a n d Ja n ice La ke Form a tion s a re un certa in 3 Avera ge con cen tra tion of K% wa s ta ken over two m in ute a n a lyses usin g a ha n d-held ga m m a a n d n eutron ra dia tion spectrom eter (R a dia tion S olution s GR -135). The results a re a vera ges of m ultiple rea din gs a n d they should n ot be ta ken a s substitutes for direct rock a ssa ys. 4 Ma gn etic S usceptibility Cla ssifica tion : V ery Low: 0-0.1(10-3 S I); Low: 0.1-0.5(10-3 S I); Modera te: 0.5-1(10-3 S I); High: 1-5(10-3 S I); V ery High: >5 (10-3 S I)

Legend

P

gdp

BLx

FLrc

rq

r3

r2

R LR Lo

R LfelR Lw

R Lsw

R Lswg

R Lqw

R La

R La aR Lhpg

JLo2

JLomJLro

JLro2

JLrom

JLo

qfn

rk

bgn

BBn p

BBrn

Jg

r2a

R Lcbx

Symbols Geologica l con ta ct: defin ed to a pproxim a te Fa ult (sin istra l) P ossible tra ce a n ticlin e Thrust zon e fa ult Airphoto lin ea m en t Outcrop exa m in ed Min era l Occurren ce with S a ska tchewa n Min era l Deposit In dex (S MDI) n um ber – Nelson La ke Fluorite Occurren ce Ma in folia tion (dip un kn own , dip un kn own secon d gen era tion , in clin ed first gen era tion , in clin ed secon d gen era tion) In clin ed a xia l pla n e Beddin g (in clin ed top un kn own , in clin ed top kn own , vertica l top un kn own ) S fold (third gen era tion, un kn own gen era tion) U fold (third gen era tion , un kn own gen era tion ) W fold (third gen era tion ) Z fold (third gen era tion , un kn own gen era tion ) Min era l Lin ea tion (third gen era tion , un kn own gen era tion , un kn own type) LINTU In tersectin g lin ea tion (un kn own gen era tion ) V ein (in clin ed) Fra cture (in clin ed, vertica l) S hea r (vertica l, in clin ed, in clin ed dextra l, in clin ed sin istra l) Fa ult (vertica l dextra l, vertica l sin istra l, in clin ed, in clin ed sin istra l) Dyke (in clin ed, vertica l) S tria e R iver S wa m p Con tour (10m in terva l)

Delaney et al. 1995 Janice LakeDelaney et al.1996 Nelson Lake SW

Central SheetSouth Sheet

Geological Compilation of the Janice Lake Area, Wollaston Domain North Sheet: Nelson Lake Area (parts of NTS 74A15 and 74H02) by J.E. Fetter and G.D. Delaney The a rea wa s m a pped by Ga ry Dela n ey in 1994-1996 a n d Jocelyn Fetter in 2013. This m a p wa s prin ted from the geologist’s digita l file. Geologica l da ta were processed usin g Microsoft Access, a n d ArcV iew 10 softwa re. Ba se m a ps were com piled from Ca n V ec 1:50 000 sca le digita l ca rtogra phic m a ps produced by Na tura l R esources Ca n a da . Grid coordin a tes a re NAD83 CS R S 98 UTM zon e 13. The m a p wa s processed overa ll usin g ArcV iew 10 softwa re. The m a p is a va ila ble on the in tern et a t http://econ om y.gov.sk.ca /. This map may be referenced as: Fetter, J. a n d Dela n ey, G.D. (2014): Geologica l com pila tion of the Ja n ice La ke a rea , W olla ston Dom a in , n orth sheet: Nelson La ke a rea (pa rts of NTS 74A15 a n d 74H02); S a ska tchewa n Geologica l S urvey, S a sk. Min istry of the Econ om y, Geoscien ce Ma p 2014-1, 1:20 000-sca le m a p (on e of 3 sheets). This entire series may be referenced as: Fetter, J. a n d Dela n ey, G.D. (2014): Geologica l com pila tion of the Ja n ice La ke a rea , W olla ston Dom a in , (pa rts of NTS 74A14 a n d 15 a n d 74H02); S a ska tchewa n Geologica l S urvey, S a sk. Min istry of the Econ om y, Geoscien ce Ma p 2014-1, set of three 1:20 000-sca le m a ps.

References Dela n ey, G.D. (1994): Geologica l settin g of sedim en t-hosted copper m in era liza tion in the a rea southwest of Ja n ice La ke, W olla ston dom a in ; in S um m a ry of in vestiga tion s 1994, S a sk. Geol. S urvey, S a sk. En ergy Min es, Misc. R ep. 94-4, p.53-62. Dela n ey, G.D. (1994): R evision Bedrock Geology, Ja n ice La ke Area (P a rt of NTS 74A-15); 1:10 000-sca le prelim . m a p with S um m a ry of In vestiga tion s 1994, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk. En ergy Min es, Misc. R ep. 94-4-(7). Dela n ey, G.D. (1995): Geologica l Ma p of Ja n sem 2 Copper S howin g, Ja n ice La ke Area (pa rts of NTS 74A-15); 1:750-sca le prelim . m a p with S um m a ry of In vestiga tion s 1995, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk. En ergy Min es, Misc. R ep. 95-4-(2). Dela n ey, G.D., Ma xein er, R .O., R a wsthorn e, M.L., R eid, J., Ha rtla ub, R ., a n d S chwa n n , P . (1995): Geologica l settin g of sedim en t-hosted copper m in era liza tion in the Ja n ice La ke a rea , W olla ston Dom a in ; in S um m a ry of In vestiga tion s 1995, S a ska tchewa n Geologica l S urvey, S a sk. En ergy Min es, Misc. R ep. 95-4, p30-48. Dela n ey, G.D., Ma xein er, R .O., R a wsthorn e, M.L., Ha rtla ub, R ., R eid, J. (1995): Bedrock geology, Ja n ice La ke Area (pa rts of NTS 74A-14 a n d -15); North S heet; 1:10 000-sca le prelim . m a p with S um m a ry of In vestiga tion s 1995, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk. En ergy Min es, Misc. R ep. 95-4-(3.1). Dela n ey, G.D., Ma xein er, R .O., R a wsthorn e, M.L., Ha rtla ub, R ., R eid, J. (1995): Bedrock geology, Ja n ice La ke Area (pa rts of NTS 74A-14 a n d -15); S outh S heet; 1:10 000-sca le prelim . m a p with S um m a ry of In vestiga tion s 1995, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk. En ergy Min es, Misc. R ep. 95-4-(3.2). Dela n ey, G.D., Ja n kovic, Z ., Ma cNeil, A., McGowa n , J. a n d Tisda le, D. (1997): Geologica l in vestiga tion s of the Courten a y-Ca irn s La ke Fold Belt a n d the Hills La ke Em ba ym en t, John son R iver In lier, W olla ston Dom a in , n orthern S a ska tchewa n ; in S um m a ry of In vestiga tion s 1997; S a sk. Geol. S urv., S a sk. En ergy a n d Min es, Misc. R ep. 97-4, p90-101. Dela n ey, G.D., Tisda le, D., a n d Da vies, H. (1996): S tra tigra phic rela tion ships a n d ba se m eta l m in era liza tion in the lower P roterozoic supra crusta l a ssem bla ge a lon g the Archea n John son R iver in lier, W olla ston Dom a in , S a ska tchewa n ; in S um m a ry of In vestiga tion s 1996, S a ska tchewa n Geologica l S urvey, S a sk. En ergy a n d Min es, Misc. R ep. 96-4, p3-11. Dela n ey, G.D. a n d Tisda le, D.T. (1996): Bedrock Geology, Nelson La ke Area (pa rt of NTS 74H-02); S outhwest S heet; 1:20 000-scle prelim . Ma p with S um m a ry of In vestiga tion s 1996, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk. En ergy Min es, Misc. R ep. 96-4-(7.2). Fetter, J. (2013): Bedrock geology of the n orthern Ja n ice La ke a n d Burbidge La ke a rea s, W olla ston Dom a in (pa rts of NTS 74A-14 a n d 74A-15); in S um m a ry of In vestiga tion s 2013, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk. Min istry of the Econ om y, Misc. R ep. 2013-4.2, P a per A-5, 18p. Fetter, J. (2013): Bedrock geology of n orthern Ja n ice La ke a rea , W olla ston Dom a in (pa rts of NTS 74A-15); 1:20 000 sca le prelim . m a p with S um m a ry of In vestiga tion s 2013, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk. Min istry of the Econ om y, Misc. R ep. 2013-4.2-(2.1). Fetter, J. (2013): Bedrock geology of Burbidge La ke Area , W olla ston Dom a in (pa rts of NTS 74A-14 a n d -15); 1:20 000 sca le prelim . Ma p with S um m a ry of In vestiga tion s 2013, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk. Min istry of the Econ om y, Misc. R ep. 2013-4.2-(2.2). R a y, G.E. (1983): Com pila tion Bedrock Geology, Foster La ke, NTS Area 74A; S a ska tchewa n En ergy a n d Min es, R eport 228 (1:250 000-sca le m a p with m a rgin a l n otes).

Nelson Lake

1123

R eid, J. a n d Dela n ey, G.D. (1995): Geologica l Ma p of Gen ie Copper S howin g, Ja n ice La ke Area (P a rt of NTS 74A-15); 1:750-sca le prelim . m a p with S um m a ry of In vestiga tion s 1995, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk En ergy a n d Min es, Misc. R ep. 95-4-(9). S chwa n n , P .L. a n d Dela n ey, G.D. (1995): Geologica l Ma p of Ja n sem 1 Copper S howin g, Ja n ice La ke Area (P a rt of NTS 74A-15); 1:500-sca le prelim . m a p with S um m a ry of In vestiga tion s 1995, V olum e 2, S a ska tchewa n Geologica l S urvey, S a sk En ergy a n d Min es, Misc. R ep. 95-4-(10). S cott, B.P . (1973): The Geology of the P en dleton La ke Area (W est Ha lf), S a ska tchewa n ; S a sk. Dep. Min er. R esour., R ep. 154, 58p. S cott, B.P . (1986): Meta llogen ic Ma p S eries: Foster La ke, NTS Area 74A: S a sk. En ergy Min es R ep. No. 252; 15p.