Field Notebook: WY 1956
Page 63
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
lower 1.0 where it is lighter, greenish 0.4 Sedstone, fine-grained, soft, light gray, grades to units above & below. 2.5 Siltstone, clayey, sandy at top, light gray + greenish gray splashed with bright red from Fe concent. 5.10 Claystone, gradational with above, but darker. Is greenish gray with red splotches, silty, locally a clayey siltstone. 2.10 Sedstone top of locz/ chzncl.: Fine grained, numerous clear minerals, light greenish gray - salt & pepper, weathering to greenish brown ledges. Clayey 3.0 Siltstone, carbonaceous, locally sandy, gray some orange weather cracks - plenty soft. 1.6 Silt, gray clayey, massive, breaks in small pieces 1.5 Claystone, silty + clayey silt, light gray with O-B weather 3)