Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
4.0
Shale, blch to brown, hq fissile
in upper iot, grading to gray
silty sh + siltst.
7.4
Sndslony fine-grained, massive
beds up to 2.5 ft thick with
ptqs and beds silty siltstn.
9.2
Siltstone, dk gray to brownish
with some ptqs + interbeds
silty shale. Chiefly massive
to soft-platy with numerous
plant frags
~?
1.0 to ?
Clzystone, soft gray waxy
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