Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
Third Trip-
Crab Orchard.
Staunton July 10th.
Depts 10:30
249 - On the road from Staunton
17
to Crab Orchard, a short
distance northwest of the
road leading to Walnut
Flats the base of the Clinton
is seen at 1018 resting in
the Clays Madison. The very
large crinoid beads charac-
[illegible] of the upper Clinton
are found here.
250- Nearly a mile southeast
18
ward, before reaching a road
turning off southward, the
base of the Clinton is at 1095.
It is as if ice was breaking who
or cracked open. It rests on
the Clays Madison. The
Madison is at least 20 ft.
thick, probably much thicker.
251- About half a mile before
19
reaching Cedar Creek, the
base of the Clinton is seen at
993. It contains Cyatho-
phyllum calycum and strep-
telasma Dayi Hemis. good.
Large crinoid beads, charac-
teristic of the Clinton are
found at the east end of the
153
exposure in the upper cour-
ses, west of the culvert. Nine
Clinton is seen east of the
culvert and the estimate of
its thickness is placed at
least at 20 feet. (See next
exposure which is better).
There is a strong dip S.E.
252- East of Cedar Creek the base
20
of the Clinton is seen at 961.
It is at least 31 feet thick,
and contains large crinoid
beads. There is thickness of
See page
1 1/2 ago
27 feet exposed in one gen-
eral section, above this are
3 feet of blue clay and the
1 foot of limestone again.
Probably this might be
called basal Niagara. The
is a strong S dip evident.
This may thicken the section.
253- Half a mile eastward,
21
before the road turns south-
ward towards the railroad,
the top of the Osgood clay is
seen at 1020, so that at the
Osgood clay is about 60 ft
tick, making no allowance
in dip while away in view
the section greatly.
total us
section