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Show 96 RED CANYON OF BLACK CANYON SECTION Montrose County, Colorado To 51 No, R 8 Wo 'Section 19 July, 1950. (Mesured by Co N. Holmes & T. Eo Mullens) Todilto formation: Gypsiferous mudstone; grayish-yellow, fine silty mudstone with red chert 1/4" maximum angular fragmentsj same as unit below only nearly all gypsum, red chert fragments found in pure gypsum, .charae algae (1'), wormy 0 13.0 18906 •••••• 3,6 176-6 200 173 0 0 LO 171.0 ••••••••• 10 2 17000 4.7 159.8 oo 12.0 155.1 ..........•• 7.1 14301 11.6 600 807 124 4 118.4 2.8 10907 9 6 1008 106 9 weathering silty mUdstone with ..•• Mudstone; gra:vish-yellowj red chert fine angular fragments, 1/4ft maximum Gypsum; pure, white Sand at.one ; yellowish-gray, black accessories 0 0 • 0 0 0 0 0 fine-grained, 0 ••••• Gypsiferous mudstone; pale red, of gypsum in mudstone. •• • 0 0 • 0 0 c 0 •• 0 0 • 0 •••• abundant scattered •••• 0 0 • 0 0 0 •• 0 0 0 0 stringers • 0 Sandy gypsum; white, fine-grained, sand in gypsum matrix, occasional black and ber accessories. Gypsiferous mudstone; mudstone dark reddish-brown, with beds of gy-psum gray, brecciated fragments with selenite crystals between fragments ••.• ••• o ooo ••.••• o •• oo •••• .. Shale; light Gypsiferous sandstone; white, ine-grained, occasional black accessories .•.••. ooo.o •• o.oooo Gypsum; white, pure to sandy ShaLe ; light gray,. fractured, gypsiferous Gypsum ; white, pure Gypsiferous sandstone; white, medium fine-grained, blaek and amber and yellow accessories, loose, friable, gypsiferous cemeno Mudstone; light brown, gypsiferous strngers Gyps urn; white, pure Mudstone; pale brown, silty shale with scattered medium-coarse quartz grains Gypsiferous sandstone; white, medium fine-grained sandstone, rounded quartz grains, black, amber, and red accessories, very loose and friable; gypsiferous cement. Clean sand probbly blown into evaporite basinooooo.o.oo Sandstone; light ye11owish=gray, medium fine grained, sub-angular, red and black acces sories, cross-bedded, friable, yellow ·0 staining with scattered Mudstone; pale brown, silty shale medium-coarse quartz grainsooooooooooooo .............•. .•.. oo 0 0 0 0 .... •••••• 0 0 • 0 ooo 0 ... ...•. 0 ••••••• 0 • 0 0 • .... 0 0 • 0 ooo 0 o.o.oooo .. 0 0 •• 0 0 • 0 0 0 ••• • 0 . ..•. . 0 0 0 0 0 0 0 oo.oo 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 • 0 0 0 coo 0 0 0 0 0 0 .. 97·3 o 0 0 0 2 2 86.5 oooo.o.oo 7.5 8403 0 0 0 0 0 ... 0 .. •• 0 .• ... .. ooo .. 0 • 136.0 0 0 I) I) 0 •••••• o 0 .. 16.0 6008 11.5 5807 |
