Field Notebook: CO 1952c
Page 7
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Transcription
A (cont.) A base is 3 to 6 inch Fe stained col zone. B 6.3 Siltstone and fine ss, platy to irreg. thin even-bedded, rel. few shaly ptngs C 3.0 As above + grad. with it, but somewhat more shaly. D 10.0 Sandstone, fine grained, massive X-bed, somewhat friable, weather rusty brown, Fe brun end has Fe imprec zone as csp which turns fairly persistent ledge. E 16.0 Sandstone, fine, silty, to argill. grading down (after 5') to argilaceous silt (stout)-soft. Grades on into unit below. Has local platy beds Fe silt. F 2.0 Chocky black clay shale with silt laminze and a few beds +/-1" of silt. G. 13.5 Siltstone, Argill, locally argilaceous, soft, some platy beds in upper foot. Grades to unit below. Weatherite gray. H 1,6 Shely hazel gray siltstu +silty sh, 1" bed of silty bentclay .5 from base. 3.