Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
West of Pleasant Lake
7/26/60
Coll. 1 8ft from Base of
sect.
See loc map
over page
Coll. 6 Unit 3
Unit 1. Interbedded calcarenite
& calclutite, & allstone
shocks, prevl. in fossil
hashes. Individual calcarenite
beds 1"-2" thick, shale ½"-1"
thick (lenticular). Shelly + lste
surfaces rippled marked.
Beds in lower part of section
weather grey brown & light
grey. Meet grey on fresh
surface.
Unit 1 is 16ft
Coll. 7. 8ft from base thick
Unit 2 - 5½ ft thick
Thick calcarenite massive