Field Notebook: WY 1956
Page 129
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Transcription
0.2t Siltstone, and loc pockets fine- grained sandstone.. Platy, commonly Fe impreg brown 13.0 Shelly, black, fissile, to brownish gray finely silty, with scattered thin beds and lenses of siltstone. Single large ironstone cone, 6 ft from base 1.0 Siltstone, platy, Fe impreg, forms z loczl czp. Above this were interbedded black sh + platy siltst. with scattered Fe stone cones,