Field Notebook: WY, SD 1955
Page 83
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
higher knob capped by brown wash sandstone and quartzite. 62.5 ft brn var clst siltstr cista with cht granulcs qtztc ss Goomie + cht granulcs specks in float massive clay SS 45' above top brq SS is 3' bed forming local benchy, zoned coarse gr bed. Above this brown to reddish clsty. Below it gray cista + sandy cista with cht & qty grains & granulcs locally, *3 sand separated by only a few feet sandy shale from # 2. is more consistently than yelloc but locally it too gets massive - may locally coalesce with # 2. Top seems consistantly platy. Overlain by good varr clay Sh.