Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
12.0 Shale, gray to light gray,
fairly hard, silty with some
interbeds silt in lower 5 feet.
Weathered shaly to blocky and
contains concretions of same
material as matrix.
About 5.0 from top are local
silt conc. with fish and wood
remains and black chert.
Range in size from 4 x 1' to
small head size.
Unweathered shale of upper 5'
is black, weather blue gray,
plastic. (Spot sample #1, just
over cone zone.)
0.7 Siltstone, locally conc. to stone
clayey, hard, weather rusty
brown.
10.0+
Shale, hard, blocky weather shaly
similar to that below.
Measurement to grass roots
(Spot sample #2 of lower 1.0)