Field Notebook: SD, NE 1959
Page 69
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Transcription
Loc. 196 LOC 30-C Southwest face of Butte shows fair section up from barren layer gray ls. concs. with some yellow bn calcite in cracks - worth, yell-gray, gray, rarely reddish bn = layer at sample I of 1957 section Loc. 30. From this layer approx 33' to beginning slowly wchly which is light yellow gray in contrast to light gray below. 11' to barren cone layer at slope shoulder - massive mottled yellowish gray clayey sand 17' to red-bn wcth, large ls concs with yell-gray weth. pounky sandy jackets, Numerous (?) large spheno's. See above for skeleton section 17 Loc. 30. This is wrong - see Ntbk 59-2, p.12 and 13 From conc. A of above section down to big barren rb. concs of Loc 30 section (1957) - hand-levelled at 20.0+ on old section this is same as between barren concs at sample 5 and barren ones at sample 1. In this old section, the 41.5 feet between big red sphenodiscos- bearing concs at top (=conc. D) and the conc. layer (= A) at top of sampled section, includes slump which eliminates 18' of section. 33