1
River Liard River Nelson Fort River Kiwigana River Nelson Fort of Liard the Grand Canyon River Biche La River Beaver River Crow River Liard Scatter River Scatter River Toad Grayling River Grayling River River Trout River Dunedin Lake Mt Mt Prudence Maxhamish Hell Gate Rothenberg Coles Lake Tightfit Lake Tsinhia Lake La Jolie Butte Nelson Forks Patry Lake Arrowhead Crow River Brown Lake Lake Bovie Fort Liard Mount Coty Larsen Lake McKay Lakes Netla River River Liard Range Mount Dickie Mount Martin Beaver Beaver Muskeg River River Mount Merrill Petitot River Liard River Biche La Biche Range Fantasque Lake Fisherman Lake Betalamea Lake Arrowhead River Kotaneelee Range Beavercrow Ridge Kotaneelee Range Babiche Mountain Kotaneelee Kotaneelee River Kotaneelee Franklin Mountains Mount Flett Petitot River River River La River Liard Mus keg R i v e r River River River Highway River Liard River NORTHWEST TERRITORIES BRITISH COLUMBIA YUKON TERRITORY NSM ARROWHEAD G- 69 RR: 30/03/1984 DST - Sulpher Point Rec - Gas Cut Cushion 975m High Perm - Partial Misrun PAN AM KOTANEELEE O- 67 RR: 15/03/1969 DST #4 Nahanni REC: 855m Sulphurous Salt Water High Perm AEC TRAIL B- 091-B/094-O- 10 RR: 15/02/2001 Production - Nahanni AEC TRAIL B- 002-H/094-O- 10 RR: 27/03/2001 Production - Nahanni TEXACO MOBIL BOVIE LAKE M- 78 RR: 28/03/1980 Production Test - Chinchaga PAN AM SHELL MERRILL YT L- 60 RR: 06/03/1969 DST #1 Nahanni Rec - Brackish, Sulphurous Water to Surface High Perm ECAOG TRAIL B- 048-A/094-O- 10 RR: 26/03/2003 Potential Gas Well SOBC SHELL BEAVERCROW YT K- 02 RR: 11/01/1963 DSTs #2/3 Nahanni REC: >900m freshwater - High Perm DST #4- Arnicia REC 114m Freshwater - High Perm B. A. TEX SOUTH ARROWHEAD B- 76 RR: 11/03/1964 DST - Sulpher Point/Chinchaga GTS in 3 min Max rate 142 Mcf/d Rec: 2200m Gas Cut Mud & Salt Water HESS SHANNON A- 079-B/094-O- 11 RR: 27/10/1972 DST #2 - Keg River/Chinchaga Used 1200m water cushion Rec. 2025m gas cut water B. A. TEXACO WEST ARROWHEAD N- 02 RR: 17/03/1965 DST - Manatoe Dolomite Rec. 73m Gas Cut Mud Moderate Perm HB ET AL DIANE B- 058-H/094-O- 15 RR: 19/03/1981 DST - Keg River / Chinchage GTS TSTM Rec. 10m mud Low Perm SHELL ET AL SOUTH ARROWHEAD 2B- 76 RR: 13/03/1988 Production Test - Chinchaga KMCL SHELL TOAD D- 057-K/094-N- 02 RR: 15/04/1970 DST #3 Middle Devonian Rec: 433m Freshwater - Low Perm PARAMOUNT BERKLEY NETLA RIVER M- 23 RR: 22/01/1999 DST - Manetoe Dolomite Rec 790m Salt Water - High Perm BP ET AL FORTUNE D- 061-A/094-O- 15 RR: 13/03/1973 Rec - 245m Gas Cut Salt Water & 169m mud Low - Mod Perm BLUEMOUNT ET AL BEAVERCROW YT B- 16 RR: 09/05/1971 DSTs 1, 2 & 4 - Nahanni & Arnica Rec: Freshwater High Perm SHELL E GRAYLING D- 095-F/094-N- 11 RR: 17/05/1964 DSTs #1 & 2 Middle Devonian RE DST #1 352m mud-cut freshwater Rec DST #2 1917m freshwater AEC POPLAR HILLS A- 047-B/094-O- 03 RR: 26/01/2001 Nahanni Gas (13269) AEC POPLAR HILLS A- 097-A/094-O- 03 RR: 03/03/2001 Nahanni Gas Zone Not Tied In BA PAN AM KLENTEH C- 015-I/094-O- 06 RR: 27/03/1963 DST #2: Chinchaga GTS in 6 min Max Rate 98 Mcf/d Rec 27m Salt Water Low-Mod Perm DST #3: Chinchaga GTS in 5 min Max 375 Mcf/d Rec 762m gas cut salt water Mod Perm HOME SIGNAL CSP CELIBETA NO 7 (H- 50) RR: 13/03/1962 DST - Sulpher Point / Chinchaga Rec. 494m Salt Water Low-Mod Perm - Formation Damage PAN AM EAST POPLAR A- 037-F/094-O- 02 RR: 16/03/1960 DST #1 - Chinchaga REC - 567m Salt Water BA PAN AM PLAYMATE B- 006-G/094-O- 07 RR: 16/05/1963 DST - Middle Devonian Rec. 60' Sulferous mud GTS Max 73 MCF Low - Mod Perm AMOCO CHEVRON CROW D- 036-H/094-N- 15 RR: 11/08/1971 DST #7 Middle Devonian Salt water to surface in 120 min Rec. 3566m brackish water JOINT VENTURE NO. 1 C- 010-E/094-N- 07 RR: 20/08/1954 DST #9 & #10 Middle Devonian Rec - 33m (DST #9), 10m (DST #10) mud AMOCO ET AL LA BICHE A- 067-D/094-O- 13 RR: 28/08/1974 DST - no blow 2590 m water cushion used - not recovered, tool stuck in hole gas recovered in sample bomb Low Perm TERCERO RC CONOCO PATRY D- 071-J/094-O- RR: 31/10/1993 DST #1 - Keg River - Partial Misrun CC Used 460m water cushion Rec: 91m gas cut mud 93m gas cut cushion and 336m water MOBIL ET AL DONNAMARIE B- 021-G/094-O- 0 RR: 17/03/1972 DST: Keg River #1 Potential Dam. GTS in 10 min Max Rate 65 Mcf/d Rec: 110m Mud Low - Mod Perm DST: Keg River #5 GTS TSTM Rec. 114m mud 1954m Salt Water Good Permeability - Potential Damage OAKWOOD IOE ET AL SCATTER D- 098-F/094-N RR: 30/08/1973 DST #1 #2 Middle Devonian Rec DST #1 - 610m water cushion 152m watery mud 2715m slightly gasified sulphurous brackish water DST #2 Rec 510m watery mud 2570m brackish slightly sulpurous water GULF STATES POPLAR HILLS NO. 1 B- 097-A/94-O-3 RR: 24/10/1958 DST #2 - Chinchaga GTS is one min max rate 148 Mcf/d Rec. 27m Mud & 356m Salt Water ? ?? Bovie Fault Interpretation at sub-Cretaceous unconformity surface after MacLean and Morrow, 2004 94O4 94O5 94O7 94O6 94O2 94O3 94O12 94O10 94O11 94O13 94O14 94O15 94O9 94O8 94O1 94O16 94N2 94N1 94N6 94N7 94N8 94N9 94N5 94N11 94N10 94N14 94N15 94N16 94N13 94N12 126°W 125°30'W 125°30'W 125°W 125°W 124°30'W 124°30'W 124°W 124°W 123°30'W 123°30'W 123°W 123°W 122°30'W 122°30'W 59°N 59°15'N 59°15'N 59°30'N 59°30'N 59°45'N 59°45'N 60°N 60°N 60°15'N 60°15'N 60°30'N 60°30'N 126°W 59°N Geology - Liard Basin Geology Compilation: Warren Walsh Geology Compiled from Geological Survey of Canada NTS 94N, 94O, 95B, 95C Universal Transverse Mercator (Zone 10N) Projection North American Datum 1927 (NAD 27) Contour Interval 200 metres; Altitude in metres above mean sea level Digital base maps from BC Ministry of Energy and Mines, BC Ministry of Sustainable Resource Management and National Topographic Database GIS Cartography by E.A.M. Macdonald Ministry of Energy and Mines Resource Development and Geoscience Branch 0 10 20 30 5 Kilometers Well penetrations and Drill Stem Test results of Middle Devonian carbonates Scale: 1:250 000 Wells Geology Linework Gas, Flow Gas, Suspended Gas, Abandoned Suspended Abandoned Location Gas, Abandoned Oil, Producing Water, Disposal Gas, Suspended Gas, Flow Location Abandoned Suspended Land Tenure Production Licence; Oil and gas lease under former regulations Production Lease; Petroleum and Natural Gas Tenure Exploration Licence/ Drilling Licence Significant Discovery Licence River Road Provincial Boundary Pipeline Contour Marsh Waterbody DST Water & Mud Mud Water Gas & Mud Gas & Water Gas, Water & Mud CENOZOIC QUATERNARY TERTIARY? MESOZOIC CRETACEOUS? CRETACEOUS Upper Cretaceous Lower Cretaceous TRIASSIC Upper Triassic Middle and Upper Triassic Lower and Middle Triassic PALEOZOIC PERMIAN CARBONIFEROUS AND PERMIAN Mattson Formation: MISSISSIPPIAN DEVONIAN Middle Devonian Lower Devonian SILURIAN AND DEVONIAN Upper Silurian and Lower Devonian SILURIAN Lower Silurian ORDOVICIAN Middle Ordovician and Older Lower Ordovician CAMBRIAN Lower and (?)Middle Cambrian PROTEROZOIC HELIKIAN KINDLE FORMATION: grey brown, fine grained calcareous sandstone, siltstone, dark grey shale; includes correlatives of Mattson Formation, Stoddard Group and Fantasque Formation DUNEDIN FORMATION: medium grey, well bedded, fine grained limestone; minor calcarenite MANETOE FORMATION: dolomite, coarsely crystalline, veggy WOKKPASH FORMATION: yellow weathering, finegrained sandstone, dolomite, siltstone; minor solution breccia MUNCHO-McCONNELL FORMATION: medium grey, finely crystalline dolomite; minor shale and sandstone NONDA FORMATION: dark grey, medium crystalline, cherty dolomite; minor white orthoquartzite May include middle Ordovician and older carbonates (extended from adjacent map-area) KECHICKA GROUP: light grey limestone, argillaceous limestone red weathering, coarse conglomerate, sandstone; minor limestone TUCHODI FORMATION: dolomite, dolomitic siltstone, sandstone, shale BESA RIVER FORMATION: dark grey, pyritic, siliceous shale; minor siltstone FLETT FORMATION: grey limestone; shale CLAUSEN FORMATION: black shale, thin limestone YOHIN FORMATION: sandstone ARNICA FORMATION: dolomite, finely crystalline Includes green laminated argillite Boulder conglomerate (may be Hadrynian) STONE FORMATION: light grey, very finely crystalline dolomite, dolomite breccia Undivided carbonate of middle Devonian and older KOTANEELEE FORMATION (Santonian and Campanian): dark grey concretionary marine shale and siltstone, mudstone, sandstone; minor conglomerate WAPITI FORMATION (Maastrichtian): banded feldsparic sandstone, mudstone, coal DUNVEGAN FORMATION (Cenomanian): carbonaceous sandstone, massive pebble conglomerate, dark grey shale; siltstone SIKANNI FORMATION: greenish grey sandstone, siltstone, shale SULLY FORMATION (Albian and Cenomanian): dark grey, sideritic, concretionary shale, gypsiferous in part LUDINGTON, BALDONNELAND PARDONET FORMATIONS: dolomitic siltstone, light grey limestone, dark grey limestone LIARD FORMATION: orange-brown dolomite and calcareous sandstone, siltstone; minor limestone TOAD FORMATION: dark grey calcareous siltstone and shale; minor fine grained sandstone GRAYLING FORMATION: silver grey, locally calcarous shale; basal finegrained sandstone LEPINE FORMATION: concretionary and sideritic, rusty weathering shale SCATTER FORMATION: undivided; greenish grey sandstone; siltstone GARBUTT FORMATION: sideritic, concretionary and rusty weathering shale; basal pebble conglomerate and grey sandstone BUCKINGHORSE FORMATION: dark marine shale and siltstone & minor undivided shale, siltstone and sandstone of the Fort St. John Group Coarse-grained syenite Trachyte Till, alluvium, colluvium, lake silts; alluvial sands and silts FANTASQUE FORMATION: dark grey, banded chert; grey sandstone; mudstone MATTSON FORMATION: fine and medium grained quartzose sandstone, shale; undivided (may include Fantasque Formation) Upper part: grey sandstone; limestone; shale Middle part: massive bedded, grey to brown sandstone Lower part: thinly bedded grey sandstone; shale; coal References: Geology modified from: Taylor, G.C. and Stott, D.F. (compilers) 1999: Geology, Toad River, British Columbia; Geological Survey of Canada, Map 1955A, scale 1:250 000 Douglas, R.J.W and Norris, D.K. (compilers) 1975: Geology, Fort Liard, District of Mackenzie; Geological Survey of Canada, Map 1379A, scale 1:250 000 Douglas, R.J.W (compiler) 1975: Geology, La Biche River, District of Mackenzie; Geological Survey of Canada, Map 1380A, scale 1:250 000 Stott, D.F. andTaylor, G.C. 1968: Geology, Maxhamish Lake, British Columbia; Geological Survey of Canada, Map 2-1968, scale 1:253 440 MacLean, B.C. and Morrow, D.W. 2004: Bovie Structure: its evolution and regional context, Bulletin of Canadian Petroleum Geology Vol. 52, No. 4 p. 302-324 Recommended Citation: Walsh, W. (2004), Geology of the Liard Basin (compilation), B.C. Ministry of Energy and Mines Location of Measured Section Geological boundary (projected under cover) Geological boundary Anticline (projected under cover) Anticline (assumed) Thrust (assumed) Anticline (approximate) Anticline Thrust (projected under cover) Thrust Fault Normal Fault Fault (displacement unknown; assumed) Fault

River Geology - Liard Basin - B.C. Homepage - Province of ... · RR: 30/03/1984 DST - Sulpher Point Rec - Gas Cut Cushion 975m High Perm - Partial Misrun PAN AM KOTANEELEE O- 67 RR:

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River

Lia

rd

River

NelsonFort

River

Kiwigana

Riv

er

NelsonFort

of

Liard

the

Grand

Canyon

River

Bic

he

La

Riv

er

Beaver

River

Crow

River

Liard

Scatter River

Scatter

Riv

er

Toad

Gra

yling

Rive

r

Grayling River

Riv

er

Tro

ut

River

Dun

edin

Lake

MtMt

Prudence

Maxhamish

Hell Gate

Rothenberg

ColesLake

TightfitLake

TsinhiaLake

La JolieButte

NelsonForks

PatryLake

Arrow

head

CrowRiver

BrownLake

LakeBovie

Fort Liard

MountCoty

LarsenLake

McKayLakes

Netla River

River

Liard Range

Mount Dickie

MountMartin

Beaver

Beave

r

Muskeg

River

River

Mount Merrill

JackpineLake

Petitot River

Liard

River

Biche

La

Bich

eR

ange

FantasqueLake

FishermanLake

BetalameaLake

Whitefish

Whitefish River

Arrow

head

River

Kota

neele

eR

ange

Beavercrow Ridge

Kota

neele

eR

ange

BabicheMountain

Kotaneelee

Kota

neele

eR

iver

Kotaneelee

Fra

nklin

Mounta

ins

MountFlett

Petitot

River

Riv

er

Riv

er

La

River

Liar

d

Muskeg Rive r

River

River

River

Highway

River

Lia

rd

Riv

er

NORTHWEST TERRITORIES

BRITISH COLUMBIA

YUKON TERRITORY

NSM ARROWHEAD G- 69RR: 30/03/1984

DST - Sulpher PointRec - Gas Cut Cushion 975mHigh Perm - Partial Misrun

PAN AM KOTANEELEE O- 67RR: 15/03/1969

DST #4 NahanniREC: 855mSulphurous Salt WaterHigh Perm

AEC TRAIL B- 091-B/094-O- 10RR: 15/02/2001

Production - Nahanni

AEC TRAIL B- 002-H/094-O- 10RR: 27/03/2001

Production - Nahanni

TEXACO MOBIL BOVIE LAKE M- 78RR: 28/03/1980

Production Test - Chinchaga

PAN AM SHELL MERRILL YT L- 60RR: 06/03/1969

DST #1 NahanniRec - Brackish, Sulphurous Water to SurfaceHigh Perm

ECAOG TRAIL B- 048-A/094-O- 10RR: 26/03/2003

Potential Gas Well

SOBC SHELL BEAVERCROW YT K- 02RR: 11/01/1963

DSTs #2/3 NahanniREC: >900m freshwater - High PermDST #4- ArniciaREC 114m Freshwater - High Perm

B. A. TEX SOUTH ARROWHEAD B- 76RR: 11/03/1964

DST - Sulpher Point/ChinchagaGTS in 3 min Max rate 142 Mcf/dRec: 2200m Gas Cut Mud & Salt Water

HESS SHANNON A- 079-B/094-O- 11RR: 27/10/1972

DST #2 - Keg River/ChinchagaUsed 1200m water cushionRec. 2025m gas cut water

B. A. TEXACO WEST ARROWHEAD N- 02RR: 17/03/1965

DST - Manatoe DolomiteRec. 73m Gas Cut MudModerate Perm

HB ET AL DIANE B- 058-H/094-O- 15RR: 19/03/1981

DST - Keg River / ChinchageGTS TSTM Rec. 10m mudLow Perm

SHELL ET AL SOUTH ARROWHEAD 2B- 76RR: 13/03/1988

Production Test - Chinchaga

KMCL SHELL TOAD D- 057-K/094-N- 02RR: 15/04/1970

DST #3 Middle DevonianRec: 433m Freshwater - Low Perm

PARAMOUNT BERKLEY NETLA RIVER M- 23RR: 22/01/1999

DST - Manetoe DolomiteRec 790m Salt Water - High Perm

BP ET AL FORTUNE D- 061-A/094-O- 15RR: 13/03/1973

Rec - 245m Gas Cut Salt Water & 169m mudLow - Mod Perm

BLUEMOUNT ET AL BEAVERCROW YT B- 16RR: 09/05/1971

DSTs 1, 2 & 4 - Nahanni & ArnicaRec: Freshwater High Perm

SHELL E GRAYLING D- 095-F/094-N- 11RR: 17/05/1964

DSTs #1 & 2 Middle DevonianRE DST #1 352m mud-cut freshwaterRec DST #2 1917m freshwater

AEC POPLAR HILLS A- 047-B/094-O- 03RR: 26/01/2001

Nahanni Gas (13269)

AEC POPLAR HILLS A- 097-A/094-O- 03RR: 03/03/2001

Nahanni Gas Zone Not Tied In

BA PAN AM KLENTEH C- 015-I/094-O- 06RR: 27/03/1963

DST #2: ChinchagaGTS in 6 min Max Rate 98 Mcf/dRec 27m Salt Water Low-Mod PermDST #3: Chinchaga

GTS in 5 min Max 375 Mcf/dRec 762m gas cut salt water Mod Perm

HOME SIGNAL CSP CELIBETA NO 7 (H- 50)RR: 13/03/1962

DST - Sulpher Point / ChinchagaRec. 494m Salt WaterLow-Mod Perm - Formation Damage

PAN AM EAST POPLAR A- 037-F/094-O- 02RR: 16/03/1960

DST #1 - ChinchagaREC - 567m Salt Water

BA PAN AM PLAYMATE B- 006-G/094-O- 07RR: 16/05/1963

DST - Middle DevonianRec. 60' Sulferous mudGTS Max 73 MCF Low - Mod Perm

AMOCO CHEVRON CROW D- 036-H/094-N- 15RR: 11/08/1971

DST #7 Middle DevonianSalt water to surface in 120 minRec. 3566m brackish water

JOINT VENTURE NO. 1 C- 010-E/094-N- 07RR: 20/08/1954

DST #9 & #10 Middle DevonianRec - 33m (DST #9), 10m (DST #10) mud

AMOCO ET AL LA BICHE A- 067-D/094-O- 13RR: 28/08/1974

DST - no blow 2590 m water cushion used - not recovered,tool stuck in hole

gas recovered in sample bombLow Perm

TERCERO RC CONOCO PATRY D- 071-J/094-O-RR: 31/10/1993

DST #1 - Keg River - Partial Misrun CCUsed 460m water cushionRec: 91m gas cut mud 93m gas cut cushionand 336m water

MOBIL ET AL DONNAMARIE B- 021-G/094-O- 0RR: 17/03/1972

DST: Keg River #1 Potential Dam.GTS in 10 min Max Rate 65 Mcf/dRec: 110m MudLow - Mod Perm

DST: Keg River #5GTS TSTM Rec. 114m mud 1954mSalt Water

Good Permeability - Potential Damage

OAKWOOD IOE ET AL SCATTER D- 098-F/094-NRR: 30/08/1973

DST #1 #2 Middle DevonianRec DST #1 - 610m water cushion152m watery mud2715m slightly gasified sulphurous brackish water

DST #2 Rec 510m watery mud2570m brackish slightly sulpurous water

GULF STATES POPLAR HILLS NO. 1 B- 097-A/94-O-3RR: 24/10/1958

DST #2 - ChinchagaGTS is one min max rate 148 Mcf/dRec. 27m Mud & 356m Salt Water

?

? ?

Bovie Fault Interpretationat sub-Cretaceous unconformity surfaceafter MacLean and Morrow, 2004

94O4

94O5 94O794O6

94O2

94O3

94O12 94O1094O11

94O13 94O14 94O15

94O9

94O8

94O1

94O16

94N394N2

94N1

94N694N7

94N8

94N9

94N5

94N4

94N1194N10

94N1494N15

94N16

94N13

94N12

126°W

125°30'W

125°30'W

125°W

125°W

124°30'W

124°30'W

124°W

124°W

123°30'W

123°30'W

123°W

123°W 122°30'W

122°30'W

59°N

59°15'N

59°15'N

59°30'N

59°30'N

59°45'N

59°45'N

60°N

60°N

60°15'N

60°15'N

60°30'N

60°30'N

126°W

59°N

Geology - Liard Basin

Geology Compilation: Warren WalshGeology Compiled from Geological Survey of Canada

NTS 94N, 94O, 95B, 95C

Universal Transverse Mercator (Zone 10N) ProjectionNorth American Datum 1927 (NAD 27)

Contour Interval 200 metres; Altitude in metres above mean sea level

Digital base maps from BC Ministry of Energy and Mines,BC Ministry of Sustainable Resource Management and National Topographic Database

GIS Cartography by E.A.M. Macdonald

Ministry of Energy and Mines

Resource Development and Geoscience Branch

0 10 20 305

Kilometers

Well penetrations and Drill Stem Test resultsof Middle Devonian carbonates

Scale: 1:250 000

Wells Geology Linework

Gas, Flow

Gas, Suspended

Gas, Abandoned

Suspended

Abandoned

Location

Gas, Abandoned

Oil, Producing

Water, Disposal

Gas, Suspended

Gas, Flow

Location

Abandoned

Suspended

Land Tenure

Production Licence; Oil and gas lease under former regulationsProduction Lease; Petroleum and Natural Gas Tenure

Exploration Licence/ Drilling Licence

Significant Discovery LicenceRiver

Road

Provincial Boundary

Pipeline

Contour

Marsh

Waterbody

DST

Water & Mud

Mud

Water

Gas & Mud

Gas & Water

Gas, Water & Mud

CENOZOICQUATERNARY

TERTIARY?

MESOZOICCRETACEOUS?

CRETACEOUS

Upper Cretaceous

Lower Cretaceous

TRIASSIC

Upper Triassic

Middle and Upper Triassic

Lower and Middle Triassic

PALEOZOICPERMIAN

CARBONIFEROUS AND PERMIAN

Mattson Formation:

MISSISSIPPIAN

DEVONIAN

Middle Devonian

Lower Devonian

SILURIAN AND DEVONIAN

Upper Silurian and Lower Devonian

SILURIAN

Lower Silurian

ORDOVICIAN

Middle Ordovician and Older

Lower Ordovician

CAMBRIAN

Lower and (?)Middle Cambrian

PROTEROZOICHELIKIAN

KINDLE FORMATION: grey brown, fine grained calcareoussandstone, siltstone, dark grey shale; includes correlatives ofMattson Formation, Stoddard Group and Fantasque Formation

DUNEDIN FORMATION: medium grey, well bedded, finegrained limestone; minor calcarenite

MANETOE FORMATION: dolomite, coarsely crystalline,veggy

WOKKPASH FORMATION: yellow weathering, finegrainedsandstone, dolomite, siltstone; minor solution breccia

MUNCHO-McCONNELL FORMATION: medium grey, finelycrystalline dolomite; minor shale and sandstone

NONDA FORMATION: dark grey, medium crystalline, chertydolomite; minor white orthoquartzite

May include middle Ordovician and older carbonates(extended from adjacent map-area)

KECHICKA GROUP: light grey limestone, argillaceouslimestone

red weathering, coarse conglomerate, sandstone; minorlimestone

TUCHODI FORMATION: dolomite, dolomitic siltstone,sandstone, shale

BESA RIVER FORMATION: dark grey, pyritic, siliceousshale; minor siltstone

FLETT FORMATION: grey limestone; shale

CLAUSEN FORMATION: black shale, thin limestone

YOHIN FORMATION: sandstone

ARNICA FORMATION: dolomite, finely crystalline

Includes green laminated argillite

Boulder conglomerate (may be Hadrynian)

STONE FORMATION: light grey, very finely crystallinedolomite, dolomite breccia

Undivided carbonate of middle Devonian and older

KOTANEELEE FORMATION (Santonian and Campanian):dark grey concretionary marine shale and siltstone,mudstone, sandstone; minor conglomerate

WAPITI FORMATION (Maastrichtian): banded feldsparicsandstone, mudstone, coal

DUNVEGAN FORMATION (Cenomanian): carbonaceoussandstone, massive pebble conglomerate, dark grey shale;siltstone

SIKANNI FORMATION: greenish grey sandstone, siltstone,shale

SULLY FORMATION (Albian and Cenomanian): dark grey,sideritic, concretionary shale, gypsiferous in part

LUDINGTON, BALDONNEL AND PARDONET FORMATIONS:dolomitic siltstone, light grey limestone, dark grey limestone

LIARD FORMATION: orange-brown dolomite and calcareoussandstone, siltstone; minor limestone

TOAD FORMATION: dark grey calcareous siltstone andshale; minor fine grained sandstone

GRAYLING FORMATION: silver grey, locally calcarousshale; basal finegrained sandstone

LEPINE FORMATION:concretionary and sideritic,rusty weathering shale

SCATTER FORMATION:undivided; greenish greysandstone; siltstone

GARBUTT FORMATION:sideritic, concretionary andrusty weathering shale;basal pebble conglomerateand grey sandstone

BUCKINGHORSEFORMATION:dark marine shaleand siltstone &minor undividedshale, siltstoneand sandstoneof the Fort St.John Group

Coarse-grained syenite

Trachyte

Till, alluvium, colluvium, lake silts; alluvial sands and silts

FANTASQUE FORMATION: dark grey, banded chert; greysandstone; mudstone

MATTSON FORMATION: fine and medium grained quartzosesandstone, shale; undivided (may include Fantasque Formation)

Upper part: grey sandstone; limestone; shale

Middle part: massive bedded, grey to brown sandstone

Lower part: thinly bedded grey sandstone; shale; coal

References:

Geology modified from:

Taylor, G.C. and Stott, D.F. (compilers)1999: Geology, Toad River, British Columbia; Geological Survey

of Canada, Map 1955A, scale 1:250 000

Douglas, R.J.W and Norris, D.K. (compilers)1975: Geology, Fort Liard, District of Mackenzie; Geological

Survey of Canada, Map 1379A, scale 1:250 000

Douglas, R.J.W (compiler)1975: Geology, La Biche River, District of Mackenzie;

Geological Survey of Canada, Map 1380A, scale 1:250 000

Stott, D.F. and Taylor, G.C.1968: Geology, Maxhamish Lake, British Columbia; Geological

Survey of Canada, Map 2-1968, scale 1:253 440

MacLean, B.C. and Morrow, D.W.2004: Bovie Structure: its evolution and regional context,

Bulletin of Canadian Petroleum Geology Vol. 52, No. 4p. 302-324

Recommended Citation:Walsh, W. (2004), Geology of the Liard Basin (compilation),B.C. Ministry of Energy and Mines

Location of Measured Section

Geological boundary (projected under cover)

Geological boundary

Anticline (projected under cover)

Anticline (assumed)

Thrust (assumed)

Anticline (approximate)

Anticline

Thrust (projected under cover)

Thrust Fault

Normal Fault

Fault (displacement unknown; assumed)

Fault