Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Tensleep sections
Lower part of Morrison red-banded, then
local channel ss up to 15'±, then
upper greenish gray part, locally
with ss channels.
section starts in upper part of
greenish gray.
Section A
Morrison fm (in part.) measuring up
10.0-?
Claystone, greenish-gray, silty, tough,
weatheres to light greenish gray fine
popcorn. Grades to overlying unit
within about 4.0±
8.0±
Claystone, gray to dark gray semihard
with some silt, much slickened
locally. At top is a silty zone
-clacey siltst about 1' thick,
weatheres light gray locally brownish
14.0
claystone, locally shaly, chiefly
plastic, black, carbonaceous
silty in about upper 2'. Forms
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