Field Notebook: MT, WY 1986
Page 52
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Transcription
13.6 m mudst w/ molluscs turtle, croc, mam teeth top of unit ferrug siltst w/ gastropods; 1.05 m thick -> 14.65 top moluccs bearing sillst, 8624 21 18 tabular x bedded ss yellow brown indurated ledgy er 7m ledge? er 5 in friable; form top of ridge 22 11.05 silty to mudst; yellowtan to light grey wh; w/ some zone siderite concs (er 2) +1.4m 8.9m 1.5x 1 + 1m 11.4 lignite 23 0.5 ferrug vfg ledgy ss er 6