Field Notebook: WY 1956
Page 61
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Transcription
some spherulites 0.8 Sandstone, fine-grained, white, frizble. Locally Fe-impermeabilized to form thin ledge. Laterally this leaves out and unit above rests directly on unit below (offset to E) 5.0 Siltstone, clayey, a silty claystone in upper few inches. Massive mixed, with some sandy patches, light gray with bright red splotches in upper 3.0+ which color out crop a mottled red + gray white. 6.0 Claystone, finely silty, gray, with light brownish cast or mottling on weathering cracks. 3.0 Siltstone, clayey, gray-green to olive with red + orange-red splotches. 5.0 Siltstone, clayey, gray, softer above, becoming hard at base. Ivory brown veinlets, Purple- red ferruginous splotches in 30