Image from the Biodiversity Heritage Library.
Contributed by American Museum of Natural History Library.
| www.biodiversitylibrary.org
Transcription
what from the overlying beds,
in that distinct macroscopic
fossils seem to be lacking.
The rock is a calcareous meal
like the cement binding together
the corals and other fossils of the
upper beds. The meal is per-
haps algous in origin. Often
it is like hardened mud in
texture