CROSS SECTION 1

WEST STRUCTURAL CROSS SECTION ACROSS EAST WESTERN , NORTH PART OF ELK RIVER VALLEY, AND HIGHROCK RANGE

based on geological mapping by Douglas (1958), Leach LEGEND WEST EAST CROSS SECTION 1a (1979), Mott (1989), and Grieve (1993) CROSS SECTIONS 1, 1a and 3

NORCEN ELK STRUCTURAL 0123 a - 64 - E / 82 - J - 7 kilometre Ku Upper Cretaceous, Blackstone, Cardium, Wapiabi and Belly CROSS SECTION SHELL FORSYTH River (br) Formations 0123 ALEXANDER THROUGH d - 25 - A / 82 - J - 6 B.C. ALBERTA WESTERN FRONT RANGES ELK B.C. ALBERTA kilometre CREEK OVERTURNED (no vertical exaggeration) SYNCLINE OF ROCKY MOUNTAINS RIVER Kl Lower Cretaceous, Blairmore Group SYNCLINE IN VALLEY Jurassic-Lower Cretaceous Morrissey, , and HIGHROCK RANGE JK Kl NORTHERN PART ALEXANDER 2 PP 2 Elk Formations sea level CREEK M OF ELK RIVER PP SYNCLINE M 1 1 kilometre kilometre JK JT Triassic Spray River Group and Jurassic Fernie Formation VALLEY 2 KL 2 0 Bourgeau Thrust 0 sea level M based on JT Ku (br) JT JK JT PP Pennsylvanian - Permian, Rocky Mountain Supergroup geological mapping 1 1 PP D 1 1 M PP Ku by Grieve (1993) Thrust JK JK M 0 JT 0 JT JT Mississippian Banff, Livingstone, Mount Head and 2 2 JT JT M Bourgeau Kl JT Etherington Formations kilometre kilometre 1 PP PP JT 1 PP JK M M D M JT 2 M PP 2 Devonian Yahatinda Formation, Fairholme Group, Alexo, M D C S Sassenach and Palliser Formations 3 JT D M 3 D PP Cambrian and PP C CD 4 4 CS Cambrian to Silurian Devonian only M C Cambrian undivided Lewis Thrust

CROSS SECTION 2

STRUCTURAL CROSS SECTION ACROSS CENTRAL PART OF ELK RIVER VALLEY AND SHOWING SUB-LEWIS DUPLEXES EAST OF FORDING MTN. WELL AND IN TORNADO MTN. WELL

based on geological mapping by Price et al. (1992a), and modified from cross section by Price et al. (1992a) and Dahlstrom et al. (1962) (cross section based on data projected on strike and is not balanced between wells) WEST EAST

0123 kilometre kilometre FORDING MOUNTAIN (no vertical exaggeration) WESTERN FRONT RANGES ANTICLINE B.C. ALBERTA OF ROCKY MOUNTAINS INEXCO et al. TORNADO MTN. GETTY UNION et al. OYSTER ALEXANDER CREEK kilometre CALSTAN FORDING MTN. b - 9 - J / 82 - J - 15 TORNADO MTN. 9 - 21 - 13 - 5W5 kilometre SYNCLINE 3 (projected 5 km north) (projected 14 km south) 3 ELK d - 61 - L / 82 - G - 15 WISUKITSAK RANGE HIGHROCK RANGE Dp RIVER Mmh ML

Me T R VALLEY Me Mb PP Jf KL Mmh 2 TR PP Ke 2 Ke

Jf Kb Jm Kbr Jm PP Jm TR Jf Jf PP Jf Me PP TR KL 1 PP 1 Me PP Mmh TR Kw ML Jf ML Me Mmh Lewis Thrust Kca Jm Mmh TR Mb Me Mb PP Mmh Kb Mb Erickson Fault Jf sea level 0 0 sea level ML PP Jm Bourgeau Thrust ML KL Dp ML Jf Jf Jf Me Me Mb Jf Jf Mb TR Jf Jf TR PP Jf Jf Jm PP TR Jf Mmh PP TR Me Dp PP PP PP Jf Mmh 1 Me Me 1 Mmh Dp PP ML Df Me ML Me Mmh TR PP Mb TR PP Df Me ML Mb Me PP C PP Jf Me TR Mmh Jf Dp C Me Me Mmh TR Mb 2 Dp Jf 2 PP Mmh TR Me ML PP Mmh Mmh Mmh TR Dp Mmh PP Mmh Mb Jf? Mmh TR ML Jf? PP Mmh Lewis Thrust Dp 3 Mb 3

Dp Mmh Df LEGEND 4 4 C CROSS SECTION 2

CRETACEOUS TRIASSIC UPPER CRETACEOUS

5 Spray River Group 5 Kbr Belly River Formation PENNSYLVANIAN - PERMIAN Kw Wapiabi Formation PP Rocky Mountain Supergroup Kca Cardium Formation MISSISSIPPIAN CROSS SECTION 3 Kb Blackstone Formation Me Etherington Formation LOWER CRETACEOUS Mmh Mount Head Formation STRUCTURAL CROSS SECTION KL Blairmore Group ML Livingstone Formation ACROSS FERNIE BASIN Ke Elk Formation based on geological mapping by Leach (1960), and Price (1962) Mb Banff Formation JURASSIC 012 3 4 5 6 DEVONIAN kilometre kilometre Jm WEST (no vertical exaggeration) EAST Mist Mountain (Jurassic and Lower Cretaceous) and Morrissey Formations Dp Palliser Formation B.C. ALBERTA WESTERN FRONT RANGES ELK VALLEY FERNIE BASIN Jf Fernie Formation OF ROCKY MOUNTAINS Df Fairholme Group and Alexo Formation AREA MODELLED FROM ASYMMETRICAL ANTICLINES THAT PLUNGE LIZARD RANGE BENEATH FERNIE BASIN (DAHLSTROM, 1969); d-42-I/82-G-6, WHICH TAYLOR RANGE CAMBRIAN ENCOUNTERED 2600m FERNIE FORMATION AND b-81-D/82-G-7 NORTH WHICH ENCOUNTERED 2191m STRUCTURALLY THICKENED BROADWOOD PLUNGE MISSISSIPPIAN, PENNSYLVANIAN AND PERMIAN STRATA. M ANTICLINE BIGHORN Ku ANTICLINE Kl PP JT Kl M Ku kilometre Flathead Fault PP PP PP JK kilometre PP 2 Lewis Thrust PP 2 JT M JT M JT JT CD CD JT M Ku Kl Kl JT 1 M Kl M 1 CD Thrust JT PP JK JK PC M M Kl JK 0 sea level Hosmer sea level 0 M JK CD M PP CD CD 1 JT 1 Bourgeau Thrust PC M JT PC JT CD 2 CD PC JT 2 PP PP JT M PP PP M 3 PC M PP 3 CD M M M

4 PC 4 CD CD CD CD Lewis Thrust 5 5

APPROXIMATE REGIONAL CAMBRIAN

BRITISH COLUMBIA Ministry of Energy and Mines Energy and Minerals Division Petroleum Lands Branch FERNIE - ELK VALLEY STRUCTURAL CROSS SECTIONS 1 to 3 by P. A. MONAHAN, P. Geo. MONAHAN PETROLEUM CONSULTING 2000