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Show A-I06 TELLURIDE SECTION San Miguel County, Colorado T. 43 N., R. 10 W. (BILK CREEK) (Measured by Section 26 C. N. Holmes & T. E. Mullens) Salt Wash formation: Conglomeratic sandstone; grayish-yellow, mediumto coarse-grained, sub-angular to wellrounded, iron stained, black accessor.Y; con glomerate average size liS to 1/4", mainly red and green chert, sub-angular, lenticular, some white and gray pebbles, top 10' predomi , nately sandstone with an occasional pebble Clay shale; grayish-red, fissile •••••••••.•• Sandstone; grayish-yellow green, •••••• 20.2 395.0 .•••••••• 5.7 374S •••••••• 59.4 359.4 0 •••••••• 16.0 300.0 0 0 31.0 284.0 18.0 253.0 S5.6 235.0 149.4 ' fine-grained, abundant black accessor.y, dense, hard, cross bedded, lenticular, cut'and fill structure Mudstone; dark reddish brown, mainly a siltstone with occasional'scattered fine •••••• quartz grains and cl brown to flecks, weathers from dark reddish grayish red, four 2' ledges of greenish-gray, dense, hard, lenticular sand stone stringers, the Salt Wash in its entirety weathers grayish-red Sandstone; grayish-yellow green, fine-grained, abundant black accessor,r, dense, hard, erossbedded, lenticular Mudstone; dark reddish brown, mainly siltstone with occasional'scattered fine quartz grains, and clay flecks, weathers from dark reddish brown to grayish-red '0 Sandstone; pale greenish-gray, fine to medium grained, medium grains perfectly rounded, cross-bedded, lenticular, channel cut and fill structure, channel cuts into 4' of silty mudstone, some jointed blocky weathering 000., MUdstone and sandstone stringers; mudstone medium .o •••••••••••• , 0 0 • 0 0 0 0 0 •• 0.0 0 0 0 o •• o •• •••••• 0 0 • 0 0 0 0 0 0 0 0 • 0 •••• reddish brown to dark reddish brown; sand stone, grayish-green, ver,y fine grained, len ticular, dense, calcareous, eight stringers 1-1/2' strike thick with considerable changes along •• 0 ••• 0 •• 0 •• 0 0 ••• 0 • 0 •• 0 •• " ••••• " •••••••••• Mudstone; medium-reddish brown o.ooo.o.o Sandstone; grayish-yellow green, fine-grained, cular, cross-bedded, fine black accessor,r Mudstone; dark reddish brown o.o •• •••••••• 0 •• 0 •• 0 •••••••• .7 lenti ••••••• 5.6 •••••••••• 2.9 148.7 143.1 |