Field Notebook: MT, WY 1986
Page 65
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Lebo mbr. 13 21.5 mudst, sh, sey, bedded med yell grey wh colo. med grey color unnl er. (2) scatt siderite cones. 20 cm thick at kuds. rare siltcrete to 20 CM thick. it grey SILTY. at 8.2m a.b. 12.m 20cm lignite w a charcoal layer at base plant hash in fine grained beds er 2 14. 2.1 ss ledge lt yell, grey ll bedded w/ ripples drift between er base (8) top 1/3 (9) top ferruginous brown "Rusty ledge" 15 28.9 f.g. dark grey wh. unit w ll beds of sh, muds 4 rare med. grey MASSIVE Siltst