Field Notebook: WY, SD 1955
Page 29
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
6.7 Sandstone, as above, with some sandy clay stone in upper 2 ft., fine to med. clean to slightly clayey SS below with progressively more & coarser cht & qtz grenules downward. Base1/ 0.4 to 9.8 indurated somewhat, is coarsely clayc SS, calcaceous. 3.3 Sandstone, clayey (calc.), and cht sandy clzystone. Grey weather grey white. Scattered cht & qtz grenules. Zone sandy to clayc is coarse 1' from top and = ledge sandy clayc is at base, weather brown & white, is 0.8 to 1.20 thick. (Sample 1) 19.9 Sandstone, as above, some partly indurated lzyous some with clayey matrix all calcaceous. 2 or 3 zones small hard sandy to cql. is coarse and several clayc zones, including indurated base1 and 13