Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
cycle, all the Cleonian and about
the same thickness of Chrieman as near
Clifton. The Chrieman has here a
thickmess if 120 feet.
Fossils hule
are scarce until within about 40
feet of the top where mollusca and
brachiopods are fairly abundant. This
horizon maybe called the Entrelign
beds due to the abundance of this
shale. It however appears probable that
this shale occurs throughout and
of the Chrieman.
The coal horizon of the Chrieman
is at the top though species are found
throughout particularly cup corals. A
small celled Springfosa is also found
at the base of the Chrieman.