Field Notebook: 1963a
Page 63
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
July 15 Butte SE 1/4 SE 1/4 Sec 8 T140N R90W W 1/2 MORTON CO. Sec, D-N-2 H I Baked red shale & silt stone layer with black shabbly Scoria stringers fossil plant frags in layer Equisturn - Layer with distinctive Himalite red coloration. coved 6.3 7.3 8.2 covered 9.5 grey chippy shale. gypsum 12.5 Grey chippy silty clay gvp 14.7- Clay (grey) with much carbonaceous matter on partings. Some plant frags Becomes much thicker s 15.4 A grey silty clay (low silt) weathering orange cuffed due to limonite. 21. More silt otherwise ditto Whole unit weathers orange a grey mottled with polygonal cracking.