Field Notebook: WY 1955a
Page 27
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Transcription
Locality W-1, east side of road in claw. Exposure of Skull Cr.-F,R, contact. Measuring down Grass roots. 8,7 Shale, black, clay, weathers gray to light tan-gray. Bgsz! 0.5 is sandy has plant frags grades to ss. 4/10 Sandstone, fine-gr, irreg. to platy bedded, thin-bedded, with partings and thin beds of silty->sandy gray shale. Weathers buff to yellow brown. Upper layers commonly ripple-mkd, interference type common. Others worm tracked locally. Local Fe impreg. results in weath out thin worm-mkd slabs. SS/SH varies 1:2. 1.0 Clay or silty, gray to ok gray, plastic, some slicks, finely silty, becoming silty at base and 13