Field Notebook: WY, SD 1956
Page 11
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
zuccs in top. 3.0 Chystone, partially obscured, crazy, soft. 9.5t Sandstone [sparkly], fine-grained, locally silty, with interbeds silt, shale + shaly ss. Grayish white with brown-weather conc. masses with secondary calcification. some marcesite nodules on top surface. Crazy & shaly interbeds break up unit in this zone. Beszl 2.0 soft friable with yellow stain. 41.0 Chystone, silty black to dk gray- brownish gray, locally with ccub. freqs. 6.6 Chystone, silty, gray to light gray some crazy siltst. [illegible] & silt beds 8.6 Chystone, black to dk brownish gray somewhat silty 4.0 Chystone, gray silty, with oib zone shaly siltstone at base