Field Notebook: SD, ND 1941
Page 17
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
North Dakota Stolles Long Lake - Linton Section on V.S. 83 + vicinity, (Not measured - see Stolles estimated general section.) Linton. Stream cut in Municipal Park exposes Pierre section. 50' ± of Elk Butte? Grey clay shale with 1 or 2 'yellow streaks' + possibly one or 2 bentonites, no concretions. Barren 10' ± Ruff locally shale, sand teds, + shale partings. Basal 2' = 'yellow zone' at Elk Butte - transition contact, 1½' above comes barren cone, zone of hard 'cold' ellipsoidal cones. 4 to 6 ft above cone zone of locally