Field Notebook: CO 1951c
Page 61
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Transcription
15.0 Siltstone + sandstone, upper 5' irregularly bedded siltstone + fine ss, argill loc as thin dark irreg lamine. lower 10' is progressively less sandy and more silty argilaceous, i, i that base is chiefly argill, siltstone + silty shale. 6.0 Silty clay, grey to dk grey loczl zones silt & argill. silt. 1.9 Dark grey to black clay, ftycly silty?, lingula? 2.0 Dark grey silty clay. 1.5 DK grey silty clay with thin some of silty light clay - maybe bent? at top, .5 Sandstone, hard med qr, fe stained + cemented. 1.1 Irreg mass med + coarse ss and clark swirl argill siltcl?, some fine ppl pieces. Cherty cgl ss, ferruginous, cpss ss below a 4 to .6 as the part of it but Little contact 4.7 Sandstone, massive fine qr,), x 12m, pink bru weather, 3.4 Interbedded ss and argilaceous siltstone, lot weathers pink. ss fine qr. weather buff pink czt. 42.0 Sandstone, massive, x 12m med to calitic., Conglom chiefly in lower bkt Discont. slope wash, about 2' green silty clay, 10.0 at top & then 1' red exposed next covered. 14.0 Massive X-12m, med qr to loc coarse 29