Field Notebook: SD, CO, WY 1967
Page 45
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Transcription
Loc 101 B Crop just E N prong Old Women Cr. Dir Dip N35E., dip 20° Beginning top conc layer ~ to top Unit 7, sec A. B Unit 1 Largely covered in ~ unit 8 sec B. +20° 43' (About 10.0 to 11.5 from base loc, conc ledge small scale "festoons" of ripple struct.) 28' Sandstone, vfq, thinly bedded to 1cm 2nd interbed with grey shale thin partings + layers up to ½ inch. Bedding details obscure, Scattered local cones - compressed oval up to 1.0 long diam (on bedding) which only slightly cone-ized + part-on bedding. Also some calcite conc ledges, locally. One 4.0 from base capping ledge is ripple marked. Bedding loc irregular, shales in small thin lenses - same sh. blebs. Capped by persistent conc ledge locally platy, is ripple mkd 20