Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
8224
LB Phenocryst zone
90 cm above base
of lignite.
abt 2-3 cm thick
Sample
w possible altered pumice
on top
Ash forms top of Z
Coal x 1 1/2 m of
Fissile dark grey carb
Shale lies above