Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
4.2 the ss becomes thinner bedded with
rip marks on bedding, some coarse
zones near base, basal 2.0 is
shaly & contains effloresced zone silty
clep .4 above base; This pinches out
along strike.
20