Field Notebook: CO 1955
Page 107
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Transcription
24) 3.4 Sandstone, fine grained, quartzitic bands, in lower 1.0 - 1.5 grading upward to sandy clay dk gray clays tone whole forms lode. Base + SS above full of czurb fragments, 23) 4.4 Clays tone, very silty, light gray, blocky fracture. Bed thins laterally (Sample 5) 22) 0.13± Porcellanite (Sample 6) 21) 3.5 Claystone, black, very silky, shiny black plant fragments, characteristically spotted with czurb frags, hard (Sample 7) 20) 0.8± Sandstone, fine grained hard, quartzitic - thins out locally. Gray, yellowish to greenish stain. 19) 0.8± Laminated Claystone, gray, semi-clint, thickens to 1.2 locally 18) 0.3± Sandstone as in 0.8± above -52