Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Unit No.
thick
description
21
extinct
exclusively covered
unit probably shale
150 ft
of 100 ft. unit
is visible and has
coarsegr to flaggy.
interbeds of ripples
ss and siltstone
47 ft
the top 97 ft of
this unit contains
3 flaggy ss beds
rippled
22
unit 21 as a whole
C?
22
6 meters
pollen sample 8540f
90 feet
very dark gray carb shale
50 feet
parallel lam
some rusty beds and thin carb
bands