Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
discont.
7.5 Dark gray to black silty clay and siltstone
Silt occurs mixed and in thin beds &
laminaze locally. basal .6 is brownish
prob due to sand content which increases
downward in the lower .6 + grzder into
unit below.
1.0 Siltstone, beds 1 to .4, laminated to massive, locally
sandy. weaths lite gr.
3.2 Shaley clayy, dk grayt black, weaths dk blue
Sample 2 gran except upper .4 which is highly silty
+ withis lite quiz. Lower foot + leaves with bony tissue
preserved.
.4 Siltstue, argillaceous , gray weaths lite
blue grzry
6.4 Dark gray to black silty - locally rzb
Sample 3 clay, Blocky to shaly trict.. Lighter
Sample 4 .5 quiz more plastic toward base.
.4 Argilaceous siltstone to finess.
20.2 Massive to X bedded SS x lam.
(Ho 25 or 30 loc.) Fine gr, weathrs light buff to gray
Fine to med grzined local coarse lamine
incl chips white weathering.
3.0 Sandstone fine, hard, platy with ripmarked
surfaces, beds .1 to .6 thick. Argilaceous
siltstone ptngs. Weaths lite gray
irvry to brown stain.
Sample 1.5 Dk gray silty clay, weaths dk blue gray
in .18 Interbedded dk gray silty clay + platgy
ripple marked finess + siltstone.
mden?
8.0 Massive fine grained Sandstone.
(6 to 8)locuts X lam to more or less even near base, weaths buff,
deeperr
1.4 Sandy gray claystone + argill. Sandstone
1.0 Massive bed fine gr, buff weath SS.
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