Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
mudstone: clay + silt
massive
Completely gradational.
wh. 7.5' -9' 5Y 7/1
5Y 7/1, mudstone,
gypsum filling in joints
cracks.
9. wh. color 10 YR 6% mixed
with small qm'ts
of 5Y 7/1 9'-12.4'
unit same lith as
at 7.5. with areas
of 5Y 6/3 lim white sd
Sample
boney twisted limonite
concs. found all throug
interval (samp 60-38A)
as well as limonite
spherules
and spherule
aggregates between
11 & 12.4