Field Notebook: USA 1998b
Page 71
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
35 Silty shale/mudcrks. burned; lower part is silty PS with more resistance to weathering another cycle of 6' thick Silstone with interbedded sand coarse/med P/S, ripple bedding 10' begins This sketch shows section above where I started on top of previous page well bedded w/p m/w 2' 2' 4 1/2' 8" l gray, silty bed w/s/ps, and v. burned msc. at top 18'