Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
7663
8/18/70
19.2 SS Vfg, Calc, ll bedded.
19.4 Interbedded seg fine,
from whls coaps w/gastropods &
mainly mudst without
beds ll bedded x 0.15-0.10
m thick
√ 20.05 SS lower 1/2 of ll bedded.
upper low L tabular
Carbonaceous.
base Vfg Calc
m Vfg.
top fine.
√ 21.04 ll bedded seg of mudst,
slt st very thin 0.65m
SS.
23.25-23.75 lignite ll
bedded slt st marked
by pl stem frust
some mollusks (all?) iron &
gyp stained bed of
slt st above lignite.
√ 24.1 ll bedded laminated silt y
shale fissile syl6/1
marly shale laterally
becomes partially lyricitic