CANADA DEPARTMENT OF MINES AND TECHNICAL SURVEYS GEOLOGICAL SURVEY OF CANADA Relief from 3000 feet GENERALIZED STRUCTURE-SECTION ALONG SIKANNI CHIEF RIVER WEST OF ALASKA HIGHWAY 12300 LEGEND CRETACEOUS UPPER CRETACEOUS DUNVEGAN FORMATION: sandstone, shale, pebble conglomerate; thin coal seams. May include younger beds LOWER CRETACEOUS FORT ST- JOHN GROUP (5,6) SIKANNI FORMATION: sandstone, shale, thin pebble conglomerate BUCKINGHORSE FORMATION: shale, sandy shale; bentonite LOWER CRETACEOUS AND (?) EARLIER BULLHEAD GROUP Quartzitic sandstone, sandstone, shale, sandy shale, pebble conglomerate; coal MESOZOIC 67°15 5715 JURASSIC FERNIE GROUP MT. WITHROW a S ? Dark shale, limestone De =t - aT | Lars, 67 Xn I TRIASSIC PARDONET BEDS, ‘GREY BEDS i ‘DARK SILTSTONE’, ‘FLAGSTONES’ AND TOAD FORMATION: limestone, siltstone, sandstone, shale, sandy shale | | MT. HAGE | | CARBONIFEROUS MISSISSIPPIAN Limestone, chert PALAZOZOIC @bservedirock outcrop seein ye eel a een ny toa x Bedding (horizontal, inclined). .........6...c0ceececceeeeed a ee Anticlinal, axis ia hive ea han tina Aten x eM a Synclinal axis ee rae Nea eC Nh et a Geology by C. O. Hage, 1943. Cartography by the Geological Mapping Division, 1950. To accompany Memoir No. 259 by F. H. McLearn and E. D. Kindle. SCALE, 1 INCH TO 200 MILES 570 NISSEN \ ASSIA SNC 12300 122°45° eae Published, 1951. Figure 3. Geological map of Sikanni Chief River area, between Halfway and Buckinghorse Rivers and mainly west of the Alaska Highway, British Columbia. 1 Scale: 1 Inch to 3 miles = 190,080 MILES 3 fy) 3 6 9