Field Notebook: WY 1955a
Page 117
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Transcription
is variable in thickness. 4.5 Chystone, clt gray, loc. silty, some gyp in fractures. (Sample 3) 1.3 Lignitic brown shale, some coalic of plant frags. (Sample 4) 5.3 Chystone, dark gray becoming silty + sandy in lower part. 0.3+ Sandstone, cozly, loc. clayey with plant frags. Pyrite nodule in base & extend into top underlying SS. ? Sandstone, massive, 90CS under slope wash 58