Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
5/22/92
9207 Roger Trod (N. side)
9207a Bycharam Fm.
0.3 m above the
Highest ledge of
Ellerbeck SS.
Ferruginous ss w
burrows x shells
some sideritic nodules
Booted x limonite
yellow weathered,
ss becomes more massive
upward
This Ellerbeck interval is a
marine/deltaic interfingered
sequence
w cycles of ss
lobes that grow swamps
and are then inundated