Field Notebook: WY 1956
Page 71
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Transcription
1,2 Siltstone, sandy, massive, white, locally a silty - very fine-grained sandstone. 3,0 greenish to olive Chystone, gray with splotches of brick red + red brown, becoming shakly downward + grayer 3,0 Shale, or shakly chystone, black becoming gray at base, grades up & down, #t Chystone at base 2,4 Chystone, light gray to light tan with brown Fe vein-like mks and splotches redbrown in lower half. 0,4 Sandstone, very fine-grained to sandy siltstone. 410-? Chystone, silty gray to tawish gray with brown veinalot - like markings At 1.5 from top begins to get red irony splotches. At 4' on crop - top of fluted-weathering splotchy red zone, On this crop the "gray band" thickens laterally - channel like - it goes from 3ft blksh down to 1.5 of 12st unit 35