Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
remains (needs)
865-6
Chiefly dark gray siltstone, minor silty
shale.
872
Dark gray laminated pyritic shale, plant remains
876
Dense gray siltstone sandy zones near base.
877
Coarse sandstone
878
Fine dark gray sandstone
891
Red and green clay shale become silty in
basal part.
900
Interlaminated greenish fine sandstone and
sandy siltstone
T.D. 900'
53