LAKE

3700 3000 134°25'W 134°20'W 134°15'W 134°10'W 134°05'W 134°00'W 133°55'W

530000 531000 532000 533000 534000 535000 536000 537000 538000 539000 540000 541000 542000 543000 544000 545000 546000 547000 548000 549000 551000 552000 553000 554000 556000 557000 558000 560000 561000 2900 2900

2900 LEGEND 3500 3500

4000 3500 Michie 60°40'00"N

2800 2800 2800 3000 3000 >g 3000 7=v Y U K QUATERNARY O N SYMBOLS 62 89 7=v 21 unconsolidated glacial, glaciofluvial and glaciolacustrine deposits; fluvial silt, 2500 L A K E / Geologic contacts

R I V E R 5135

66 4000 4000 4000 4000 4000

L*f 4000 INTRUSIVE ROCKS Fault; movement not known 85

3000 (defined, covered)......

3400 3400

7=v 3400 PALEOGENE 80 >g 71 56 6724000 7=um FOX 40 light to dark grey, very fine to medium-grained spherulitic dacite, rhyodacite; 435000 L*f Z subvolcanic white-buff rhyolite, rarely with biotite and porphyritic K-feldspar Thrust fault

m=k M A R Y

LAKE (defined, approximate, inferred, covered)......

3500 3500 84 3500

6723000 EARLY to LATE CRETACEOUS 2500 105D 071

6722000 6723000 6724000 6725000 m3g

4500 Creek 6722000 60°37'30"N 45 MIDDLE JURASSIC 45 60°37'30"N 84 Normal fault 4000 42 3500 u=c mmg (upright - anticline, syncline; overturned - anticline, syncline).... 7=v m3g 40 7=v 47 coarse-grained to porphyritic gabbronorite; medium-grained clinopyroxenite; fine

105D 154 74 3000 3000 m3g 3000

6720000 to medium-grained diorite; olivine porphyritic diabase L*f 74 5000 L*f 36 29 >g 17 Michie 34 54 M' C L I N T O C K 85 2500 57 26 7=v LAYERED ROCKS Bedding (inclined, overturned)...... 3000

L*f m=k

3500 3500

3500 RICHTHOFEN FORMATION: green-brown, medium to coarse-grained lithic 7=v 59

33 sandstone, typically coupled with brown to dark grey turbiditic siltstone; polymictic 6718000 3000 3000

u=c 3500 3000 Intersection lineation (m, s, z)...... 30 31 paraconglomerate

49 Lake Fold axis (dominant phase)...... 3000 3000

3000 7=v 60°35'00"N 79 27 UPPER TRIASSIC

3000 coarsely crystalline, light grey

3500 3500 4500 3500 AKSALA FORMATION, HANCOCK MEMBER: 2 5,6 Marsh Lake u=c u=h (youngest detrital age indicated for U-Pb; italic numbers refer 104 Ma 1 75 4000 limestone to limestone breccia, locally fossiliferous intrusive complex 3500 Z’ 6715000 to geochronology table)......

3000 7=um

3900

2800 CACHE CREEK TERRANE Fossil locality (italic numbers refer to fossil table)...... 1 >g

7=v 674000 PENNSYLVANIAN TO TRIASSIC 7=v Field station...... 3000 MICHIE FORMATION (new unit): dark grey, fine-grained siltstone; buff, coarse-

6713000 674000 6715000 6716000 6717000 6718000 6719000 6720000 m=k

m3g grained calc-lithic sandstone; green-grey wacke to pebble polymictic orthoconglo-

4500 4500 4500 merate; fine-grained siltstone locally interbedded with thin, argillaceous limestone Road/trail...... 2500 7=v 80 6713000 beds; carbonate-rich debris flows and rare olistoliths(?) 38 66 3000 Snake

60°32'30"N 3500 Lake 35 37 grey, massive, crystalline limestone, locally crinoidial and fusuline; recrystallized Apparent dip of bedding, foliation (in cross section)...... >g 7=v 60°32'30"N 7=m 7=v 7=um >g 2900 5000 m3g white to pale yellow limestone, limestone breccia; dolostone 7=um 72 L*f 3000 74 g 104 Ma 56 44 77 73 Creek 2200 7=um 83 u=h 245.85 Ma grey-red-brown massive to ribbon banded chert, locally with soft sediment 1 >g 5 Y’‘’ 3 3500 7=c Sense of displacement across strike-slip fault >g g u=c 7=v 7=um deformation; argillite interbeds m3g m=k 7=um 42 (in cross section; away, toward)...... 69 74 86 Creek 4000 dark grey, medium-grained to aphanitic, chloritized basalt, locally amygdaloidal;

M A R S H 6711000 7=um Caribou Lake Mountain 7=v 27 7=v light grey, fine-grained andesite; lenses of limestone and chert, locally, within the

80

3500 2200 2200 2200 Goode Caribou volcanic rocks; andesite to chloritized basalt intercalated with green-grey auto-

Greyling

3500 3500 Alaska Highway 105D 068 3500 Y’’ brecciated volcaniclastic rocks; basalt rarely pillowed and hyaloclastic X Ck

3600 67100000 dark grey-brown, medium to coarse-grained pyroxenite; dun-brown to orange, 30 244.54 Ma 7=um coarse-grained dunite, harzburgite; sheared, locally brecciated, highly magnetic

2500 3000 76 4000 4000 4000

3500 3500

63 3500 6709000 4 45 4500 34 CROSS SECTIONS 2500 ca. 190 Ma 35 27

5838 7=v 3500 3500

6708000 6709000 67100000 6711000 mm

6708000 5500 ft 60°30'00"N 3600 Ck

7=v 5000 ft 1500m

3500 3500 3500

3500 60°30'00"N 23 SW J J’ NE 4500 ft u=h u=c 7=um 4000 ft 4000 ft 3500 ft 3500 ft m3g thrust 1000m ? 7=um7=um

4500 2500 ft 2500 ft 3500 3500 3500

7=c 3500 u=c 6707000 3800 3800 3800 80 3800 ? 7=v 3800 2000 ft 2000 ft ? 85 500m u=c 1500 ft 7=v 1500 ft 500m 4000 1000 ft 1000 ft 7=um 12 Y’ 500 ft

u=c 2500 ft m

2500 2500 2500

2500

4300

X 7=um X’ 60°27'30"N 7=um 4724 SW NE 3000 C r e e k 7=v thrust 60°27'30"N 6000 ft 5500 ft >g

5000 ft 2400 2400 2400 2400 7=v u=c 1500m 4500 ft 3700 m3g L*f 4000 ft

8 6702000 2000 ft >g 7=um 7=um 7=v u=c 7=v 1500 ft 500m M A R S H 1000 ft

MAP# CURATION# AGE FORMATION AUTHOR DATE STATION FOSSIL TYPE FOSSIL CATEGORY after Wheeler (1961). 3500 3500 3500 3500

C r e e k u=h 6700000 1 C-176034 Late Triassic, Late Hancock M.J. 1991 91-GGA-13-5A conodont; foraminiferid; microfossil C r e e k 7

7=um Norian ORCHARD radiolarian; gastropod; 2) Geology of the western portion of the Streak Mountain (NTS 105C/12) and north western

2500 2500 2500 2500 6699000 6700000 6701000 6702000 6703000 6704000 6705000 6706000 4-5 echinoderm; cephalopod

u=h portion of the Squanga Lake (NTS 105C/5) is after Gordey and Stevens (1994).

3500 3500 6 3500 (ammonoid); bivalve; u=h sponge; fish

6699000 3) Detrital zircon dates from coarse sandstones of “Michie formation” is from Bickerton

2 C-176035 Late Triassic, Late Hancock M.J. 1994 91-GGA-13-6A conodont; foraminiferid; microfossil

5100

60°25'00"N M o n k e y J u d a s 5100 (2014).

4500 u=c 4500 Norian ORCHARD radiolarian; gastropod;

6698000 sponge; fish

3000 activity and Jurassic-Cretaceous terrane imbrication. Unpublished MSc. Thesis, Simon

2500 2500 2500 2500 3 C-176012 Middle or Late Cache Creek F. CORDEY 1994 91-GGA-10-01C radiolarian microfossil Fraser University, Burnaby, British Columbia. Triassic, Anisian-

6697000 7=v 4500

3300 7=v 1 3800 Carnian 7=v 4700 GORDEY, S.P. and STEVENS, R.A., 1994. Geology, Teslin, Yukon Territory: Geological Creek u=h 4 C-176014 Late Triassic, Hancock M.J. 1991 91-GGA-13-3A conodont; foraminiferid; microfossil u=h 6697000 Norian? ORCHARD radiolarian; gastropod; Survey of Canada, Open File 2886, 1:250 000. L A K E echinoderm; cephalopod 7=um 3500 (ammonoid); bivalve; HART, C.J.R., 1995. Magmatic and tectonic evolution of the Intermontane superterrane and Judas u=h 3600 sponge; fish coast plutonic complex in southern Yukon Territory. Unpublished MSc. Thesis, University of

4200 5 C-300023 Late Triassic-Middle Cache Creek F. CORDEY 1991 91-GGA-13-03B radiolarian microfossil 6696000 British Columbia, Vancouver, British Columbia. 7=v 3000 Jurassic 105D 178 7=v 6 C-176059 Late Triassic, Middle- Hancock M.J. 1991 91-GGA-13-2B conodont; foraminiferid; microfossil

19 WHEELER, J.O., 1961. Whitehorse map-area, Yukon Territory, 105D. Geological Survey of

2600 2600 2600 2600

2200 2200 2200 2200 Creek Late Norian ORCHARD radiolarian; gastropod;

7=v Canada, Memoir 312, 156 p.

4000 4000 4000

4000 echinoderm; cephalopod

2500 2500 2500 2500 67 3200

3200 6695000 (ammonoid); bivalve; 5000 5540 5000

Kenny 4000 2500 sponge; fish 105C 049

7=c 7 O-025048 probably late Norian Hancock E.T. TOZER bivalve macrofossil RECOMMENDED CITATION 3000 3000 3000 3000 Y U K O N

P L A T E A U 7=um

3100 3100 3100 83 3100 BICKERTON, L., 2014. Geological map of Michie Creek (NTS 105D/9) and parts of Tagish Judas 60°22'30"N 8 C-117184 Late Carboniferous Cache Creek M.J. 1985 85-TD-WH-1 conodont; foraminiferid; microfossil (NTS 105D/8) areas. Yukon Geological Survey, Open File 2014-11, 1:50 000 scale. Mountain 7=v 6694000

85 6693000 82 3800 Maurice Colpron, Yukon Geological Survey. Cam Dorsey and Jaap Verbaas provided 54 Isotopic Age Determinations 10 assistance in the field. 84

85 1 K-Ar 89CH64-1 104 +/- 4 Hornblende crystallization Hart (1995) M.Sc. thesis, University of British Columbia Any revisions or additional geological information known to the user would be 2600 89 7=c 2600 84 89 J 6692000 welcomed by the Yukon Geological Survey. 2400 244.54 +/- 0.13 83 43 3200 2 U-Pb 10MC049 Zircon (detrital) CA-TIMS source Bickerton (2014) 50 85 57 7=v 3500 3 U-Pb 12LB181 245.85 +/- 0.07 Zircon (detrital) CA-TIMS source Bickerton (2014) Paper copies of this map may be obtained from the Yukon Geological Survey, 3000 A t l i n

U-Pb 12LB220 ca. 190 Zircon (detrital) LA-ICPMS source Bickerton (2014) Energy, Mines and Resources, Yukon Government, P.O. Box 2703 (K-102),

3800 3800 3800 3800 4 40 39 Whitehorse, Yukon, Y1A 2C6. Ph. 867-667-3201, Email: [email protected]. 105D 198 6691000 5 Ar-Ar 12LB211 165.9 +/- 0.8 White mica Ar/ Ar cooling Heizler (written comm. 2014); this map 2500 40 39

Holmans 6 Ar-Ar 12LB211 162.5 +/- 0.6 Biotite Ar/ Ar cooling Heizler (written comm. 2014); this map

2500 2500 2500 2500

6690000 6691000 6692000 6693000 6694000 6695000 6696000 Lake

3500 3500 A digital PDF (Portable Document File) file of this map may be downloaded free 7=m of charge from the Yukon Geological Survey website: http://www.geology.gov.yk.ca. 2500 Mineral Occurrences 6690000 Rat Jakes Chinook Yukon MINFILE

Corner L i t t l e

4600 4600

Creek 105C 049 NUF Anomaly Unknown

3000 60°20'00"N 3000

530000 531000 134°25'W 533000 534000 535000 536000 134°20'W 538000 539000 540000 134°15'W 542000 543000 544000 545000 134°10'W 547000 548000 549000 550000 134°05'W 552000 553000 554000 134°00'W 556000 557000 558000 559000 133°55'W 561000 105C 055 Eaglenest Showing Au, Ag Au-Quartz Veins 2300 5016 2447 Mount 105D 067 McClintock Drilled Prospect Cu Cu+/-Ag Quartz Veins Austins 8

105D 068 Oak Anomaly Unknown

2900 2900 2900 Mullins 2900 White Gate Ck 105D 069 Marsh Drilled Prospect Cu, Au Gabbroid Cu-Ni-PGE Creek 105D 070 Lavalee Showing Asbestos Ultramafic-hosted asbestos Beaufort Sea 105D 071 Michie Showing Cr Podiform Chromite Yukon Geological Survey

Tuktoyaktuk 105D 115 Worbetts Prospect Au, Ag Polymetallic Veins Ag-Pb-Zn+/-Au Energy, Mines and Resources 1:50 000-scale topographic base data True North Source of Mapping 105D 153 Ichie Anomaly Unknown Government of Yukon 105D/15 105D/16 105C/13 Inuvik produced by 1 105D 154 Into Anomaly Polymetallic Veins Ag-Pb-Zn+/-Au CENTRE FOR TOPOGRAPHIC Joe Mount

Fort McPherson 105D 176 Mt. Michie Unknown Unknown Old Crow INFORMATION, BEDROCK GEOLOGY 1°33' Rosy Lake Open File 2014-11 21°8.4 NATURAL RESOURCES CANADA ’ Mountain M’Clintock 105D 178 Military Anomaly Unknown

Eagle Plains Bickerton (2014) ALASKA MICHIE CREEK/TAGISH 105D 185 Bronco Anomaly Unknown Geological map of

h 105D/09 105C/12 2 t 105D/10 105D 196 Mike Showing Cu+/-Ag Quartz Veins

YUKON r

h t o Eagle

NWT r Michie Creek (NTS 105D/9) and parts of

N 105D 198 NLC Showing Au-Quartz Veins o

Clinton Creek c

N i Boundary t Streak

Sixtymile ONE THOUSAND METRE GRID

e d

i

Elsa Keno Hill Tagish (NTS 105D/8) areas n Macrae Dawson r g Mountain

McQuesten Universal Transverse Mercator Projection

Mayo G

Stewart River a

Stewart Crossing 1 North American Datum 1983 M THIS (1:50,000 scale) Fort Selkirk Pelly Crossing SCALE 1:50 000

Beaver Creek Snag 1 Faro Zone 8 105D/07 MAP 105C/05 Carmacks 0 1 2 3 4 5 Ross River by Aishihik

Burwash Landing Squanga Destruction Bay Robinson WHITEHORSE CONTOUR INTERVAL 20 METRES

Tuchitua

Haines Junction Champagne kilometres Use diagram only to obtain numerical values Lake 1 Wheeler (1961)

Marsh Lake Johnsons Crossing Luke Bickerton

Tagish Elevations in metres above Mean Sea Level Jakes Corner

Carcross Teslin Rancheria APPROXIMATE MEAN DECLINATION 2005 2 Gordey and Stevens (1994) Simon Fraser University Atlin Watson Lake FOR CENTRE OF MAP Pacific Ocean