Field Notebook: CO 1952b
Page 111
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Transcription
South Platte -> Helmer trough B.O.V - 33 - 85 (1) Section of lower Glenczirn & Lytle et sand quarry in Lytle, N end hogback just S. of S. Platte, (A to R at Nquarry) starting at top of the 3rd ss (A below correlates with GG of section on Verdos Ranch. A 21.5 Sandstone, evenbedded x 1m, to X bedded, fine qr. weaths yellow br. + br. 3.0 zone of silty, frizble fine ss 2.4 above base. This is locally a shaly siltstone. B 4,0 As above like sandstone above but more frizble weaths lite gray with orange br irreg. zones // bedding. C 6.7 Zone of shaly siltstone, minor silty dk gray shale, largely obscured by slope wash. D 7.0 Sandstone vs in B, above. E 3.6 Shaly siltstone grading down to siltstone. F 3.0 Sandstone, massive fine qr x 1m with basal surface calcic - mostly clay pellets some qtz + cht. (=J) at Verdos ranch section) 45.8 4610 Disconformity G. 0.4 to 0.8 Claystone - silty/sandy to argill ss., gray - yellow weath. H. 7.6 Sandstone, massive x-1m I. 1.6 Local sandy claystone, dk gray, literally absent as ss's above + below Cozlesck 52.