Field Notebook: SD, WY, ND 1957
Page 59
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Transcription
1.5 Siltstone, light gray, hard ledge with interbedded fine gr brown weath ss. Top weathers purplish cpzy. Siltsh, irrreg lcm, 1.5 t Shale, silty, dk gray with plant fregs, and thin lcm, + interbeds siltst in upper part. Locally weathers pink with some conc. Fe et top. 50.01 Evzus Quarry ss, Med gr et base, Massive x lcm, fine gr for most part Minnewaste- T. 36.0 Limestone, in mod to thin irrreg beds, gray, with white ls or calcite in granule-like blobs, Sandy locally with parting of limy sandstone and some interbeds black sh in central part. 0.5 to 1.0 Sandy claysbncr' shale, cclc, dk gray to black with thin lenses limestone, 28