Field Notebook: SD, WY 1956
Page 38
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Transcription
Rough sketch beds S. of Alcovz, S. of rd across Sw rm extending W Lowest typical Murray Fossil bed in bl/sh Fe s tone This is plshy impure Bl sh, selective thn bctwn them 15+ limmy slt with No fossils + fish remains no ident. spec. found. wssh ss/ B1. Sh. Fissile Fe stone logs calc. westicovered? Shale skprgy SS / calcite ss Cone-in-cone-lirey ? eons Silt, Xlam. shist tip whs some worn crsting. contact sudgy (lwer lb) bl. sh on light granu-lite ss (see kdzachromo E