Field Notebook: SD, WY, ND 1957
Page 115
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Transcription
loc.8 loc.9 Whitehorse Ridge Localities I and J. Fox Hills contact as along road, change coming at "yellow sulphur" zone. Both Nicolleti and Peanut Brittle zones in and fossiliferous, but soil slip covers over between latter and the barren cone zone which holds up the bluffs locally. Between PB and barren some float with rb garvillia cones. Above barren is float of fossilif. cones of the small "protocruzii" and P.nebrascensis. Locality I section-- (1) 10.0-? Shale, silty, dk. gray, becoming shelier downward - Elk Bully - zone smell ls cones about at change top this interval. Worth gray (2) 18.0 Siltstone clayey, minor silty sh. grey to brownish grey, weathers a very light grey, loc.2 skelly silt, is highly silty, loc.2 skelly silt, chiefly blocky, ferruginous with jivosite balls of yellow sulphur beginning 4.0 above base. Breakdown 4.0-7.0 Greatest concentration of jivosite 5.0-8.0 Levge cones, with thick- grey to dk grey punky 56