Field Notebook: CO 1951a
Page 85
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Transcription
zones of coarse to finely cgl ss and clay conglomerate, also weathers buff to orange brown 3.5 G Siltty shaley clay with thin interbeds t- laminar siltstone.- Weathers fissile lte gray 1.4 Platy, shaley siltstone,micro silty sh. 2 of Siliceous lt^e gray flint clay. 7 deg base parallel h 2.0 Dk gray finely silty plastic clay grading downward to silty brownish clay with silt laminae 5.5 Siltstone interladded with silty shale beds of siltst up to .3 most thinner. Dk gray where shaley to lite gray or Fasting where siltst. 2.8 Fissile silty sh^t shaley siltstone, dk gray weathrs lte .4 Siltstone irreg phts fine ss, solid bed 1.8 Fissile silty shale, dk gray. {21.0} (ss to dense siltstone, loc argill.) Fine grained, Massive, thick irreg beds weathers buff, splotchy, with Fe,Mn stagn on surfaces. 1.0 Argill. siltstone grading down to silty clystone 1.0 Dk gray^ fin^(y) silty clay, with 1/3" bentonite at base 1.0 Siltstone and silty dk-gr claystone, 3.5 Argillaceous silty shaly fine gr. SS, massive to irreg bed, weathers rounded dirty brn gray 1.2 Silty clay stone & arg. siltstone gray 1.0 Argill. siltstone, hard