Field Notebook: CO, WY 1955b
Page 33
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Transcription
2,3 Siltstn, black, sticky, crumbly ledge, hardy chippy, weths bluish with bru + greenish mottling. Some-ss. 1,8. Shale, black, fissile, silty with thin silt interbeds possible porcell. streaks 0.3 from top. 0,6 Siltstone, sandy to shly hwd weth blue gray brown mottling h25 0.1 porcellzuite zt b250. Grades to bed below 14,2 Szudstong, fine grained, buff to brown weth. Upper 4'± ± silty with some silky sh ptngs becoming, platy to fbolr downward x bedded loc. in thin to med (0.6 beds) shbkby - full of ripples 2ud worm csts. 3,3± Sndstone continuous with zbove but more massive, loc. silty and 16