Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
unit no
6
thick
300 ft
200 ft
500
black shale
stone beds
occasional lights
shaley.
laminated dark gray
shale with 1-3 cm
brownish gray laminats
mudstone
low marine
pollen sample 85406
at 300 ft.
shale >> mudstone
7
100 ft
13 ft
113
laminated mudstone unit
in 2-4 cm beds
shale beds 1-2cm
Shale << mudstone
becoming shaley in
upper 50 ft
with one 2 meter thick