Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
6.0
Siltstone, clacy & silty claysone
scattered sandgrains. A good "mudstone"
if you imply it is a mixture of
clay to sand size. Chieffy m3veooy
14.0
Silty claystone and some clygy
siltstone, soft, weathers to
grayish "popcorn" surface.
Upper 3' it is gray, grading to
black at top. Below becomes
vericgated gray with dk red
then red increased downward
to underlying unit.
6.0
Sandstone, fine-grained, tabular
in beds up to 1ft+, x 12m. Best
Surface with "worm" mkd.
few other surfaces mkd &
some ripples, or but latter
not well preserved. Weaths
to prominent brown shelving
ledge. Heavier beds distinguish
it from rusty bed ledge
above.
7.0?
Siltstone, dacelly jugilleccous,
carbonaceous, weathers
gray white, platy, Irrey, inter-
bedded with czub silty shale
7