Field Notebook: CO 1952d
Page 11
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Transcription
Discont.? W1 0.5 to 1.0 Sandstone, fine gr in thin beds with thin silt, shale interbeds (locall) pinched out uncout. X 3.8 Sandstone fine to coarse, leases of letter in finer, Cozusa confonus clay frags Y 45.0 Sandstone, massive to faintly tabulary X-lzm, fine to med, few cozusa zones in lower part, brown weathering [U,W,X+Y form massive cliffs] Z 8.0 Interbedded sandstone and argillaceous siltstone, Thin- bedded, platy, SS in beds up to 1.0. Castings + berrous on platy bedding planes +6'-out Cerb shzly siltstn interbeds. SS ledqes bru weath. Top SS is dk Fe impreg, sipmwrked surface. AA, 9.3 Interbedded dk-grzy shzdcat argill. siltsttn 1.5 ± shale with 0.3 seltst, 6zca 3.1 Chiefly siltstn, ledqy with lb, shale 0.2 Bent. cl. 0.2 Argill silt. 0.1- Bant. 2.4 - Plshy zrgll siltst- 5.