Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
7.0 Interbedded siltstone, fossiliferous, platy limestone bed dark gray to black
shale, lower bench of is beds + 16 sh
is 2.0 then 3.1 of ck+sh, then kpy
Sample 10 from 3.1 sh
7.8 Interbedded gray silty shale and
shelly siltstone, siltstone in thin
beds and limonize, increase in
siltstone in upper 1.6,
0.1 Bentonite 4 feet from top.
Sample 11 = 217 but upper 1.5 feet.
Bentonite (Sample 12)
Bentonite
Silty siltstone up to silt, 0.2 Bentonite 2.14 from base
Shale interbedded up to silty siltstone and
interbedded platy to shelly siltstone and
shelly fossiliferous, increasing fossilize.
and minor silty shale.
A810
12.7 Interbedded platy siltstone and
siltstone, shelly micaceous sandy sh
light (olive) brown weather,
Observed foot of argillaceous Crowley
Siltstone
Observed locally loose olive for weather
fine ss hard, dealt as fresh samples.
X long fine gr 9.730e weeks late
gray lower 36 feet is over base
above this much more friable
A810
3.16
2.5
62.0+
34