Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
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Transcription
Resume of Cloverly, Thermop to Red Dome
Thermopolis to Hyethville relatively uniform succession - summarized below, for
Thermop area.
Basal rusty beds, platy silts + i.bm
" silty sh. Some i.b. ss at base (#1)
Fe stone conc. layers,
1.
2.
3.
4.
5.
Disconf.
Claystone, dk gray or gray at top
becoming red downward
6
7
Claystone, silty to sandy veryq,
limestone concs.
8
Frizzle, caltc, sands, variegated,
contain polished pebbles
9.
Messive, x-bed. calcic ss.
prominent unit +
hogback terms
10
11
Carbonaceous shalg + siltst.
Chert gravel to pebble cgl.
12.