Field Notebook: CO 1952c
Page 69
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Transcription
D. 2.0 Interbedded fine gr siltstone, and variegated clzystone, greenish gray, pink, yellowish. E. 6.0 Clzystone, and argill siltstn and argill. SS. - lodeg siltst predominating with interbeds silty clsu. Intergruby pink F 16.0 Clzystone, silty clstu and argillaceous Siltstone, red-purple, green, yellow and grey white. LOCAL COLOR ARRANGEMENT SS (differs 2o' either side) gray-white with bright D-br stain, yellowish gr [10 YR 6/6 stain] rod-purple [5R-4P -43/4 to 5RP-4/1/2] F loose green siltstn (loc?) gray-white to light greenish gray [5G 8/1 for fresh green - then to gray white] [ss lodeg at E. At top in gray zone with o-b stain large concretionary? mass (I'draw chart (Spec. 3), protruded 3 inch or so above contact into overlying SS. Smaller qtz pyrite clstu has qyp through in fractures. * Discont. G1 0.3 to 4.0 Variable unit. In most places is similar to sandstone ledges in I, but locally 33