Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
23
true grey clay shale in section.
26' black + grey clay shale capped by
irregular conc. zone. Between
5-10 feet from base is zone of
small conc. bearing transition
scapolites.
Total 127'