Field Notebook: SD, NE 1959
Page 125
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
beds. Some shale beds up to 34. (4) 1.0 Siltstone incl fine-grained ss, Izhton chiefly in platy frizble (C2O3 cemented conc, masses. Worthe white with some red stain. (5) 10.0 Bedded beds as in (3) below. (6) 7.0 Chiefly silt incl vfg sand with about 6" bzzzl silt, then 100-2 ft silty clay before chief ss body comes in. Vfg silty lte grzy sand worthe white with Fe stain loc.. A variable X bedded some some clay loczllly thichens & thins. (7) 2.7 Vtg sand & silt, chiefly massive Fe stained blotches, lght gray, and irrreg, small earthy limonitic concs. (8) 3.0 Lower foot is frizble silt with 1/2 mince & thin beds of lignite in middle 4", clay in top 4. Above this is bench on silt tclzy & loczllly zone bzuven calc concs - worth gray with 61