| OCR Text |
Show A-I 07 TELLURIDE SECTION San Miguel County, Colorado T. 43 N., R. 10 W. (BILK CREEK) (Measured by Salt Wash formation: Section 26 C. N. Holmes & T. E. Mullens) (continued) Sandstone; light gray, fine-grained, scattered medium grains, subangular to well-rounded, calcareous, lenticular, croea-bedded , red chert and black accessor,y Covered; sil ty shale parting ••••••••••••••••••••••• " ••••••••••• Sandstone; greenish-gray, quartzitic, dense, bedded, lenticular, calcareous •••••• 2.5 1.9 140.2 137.7 9.8 135.8 19.4 126.0 47.0 106.6 cross black aecessor.y, ' ••• 0 •••••.•••• Siltstone; grayish-red, scattered mica-flecks, some white mottling, hard rubble slope, calcareous" Sandstone; grayish-yellow green, very fine-grained, quartzitic, dense, hard, ••• very fine black accessory, irregular bedding planes at 2' to 4' intervals,.weathered sur?ace light brown, lenticular, the weathering 'surface obliterates any cross-bedding, claystone partings noted along strike Sandstone; pale green to yellow green, very fine grained, fine black accessory, I' to 2' ledges with silty partings, irregular thin bedded weathering, weathers light brown, rocks have high specific gravity (barite?) •••••• " ' •• •••••••••••• Covered •••••••.••• 0 0 •••• 0 ••••• 0 0 0 0 •••••••• 0 •••••••••• Sandstone; greenish-gray 5GY 6/1 fine-grained, high specific gravity •••••••••••••••••••••••••••••••• Covered •••• ,. ••••• 9 9 . 26.7 59.6 5.4- 32.9 1.5 5.7 27.5 Sandstone; light gray, medium-grained, sub-rounded to perfectly rounded coarse quartz grains, white chert and black accessories, black impregnation of hydrocarbon? Mudstone; silt to coarse grain sizes in cl matrix, •• 0 0 ••• 0 0 o. 00. 0 .0 ••••••• impregna.tion of hydrocarbon? Shale; thin parting •••••••••••••••••• Sandstone; light gray, medium to medium coarse grained, well-rounded to sub-rounded, black accessory, heavy ledge, rather even-beddd 00 •• 0 ••• 00 20'.3 •••••• grayish green, thin-bedded, coarse perfectly rounded quartz grains .•• Sandstone; light gray, medium-grained, sub-rounded to perfectly rounded coarse quartz grains, white chert and black accessories, black 0 26.0 18.0 •••• ••• 6·.8 •••••• .1 14.9 8.1 8.0 8.0 0 • 00 -0 •••• |
