Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
8/15/18c
Sec. 8627
Grimey Gulch to petrified
FOREST SECTION
modified interval section
unit Thickness (m)
0 0 Section STARTS
at top of MANTUA
until indurated
ss. yellow tan
wh. (C, T, 10)
1 /3 friable silty vfg ss
3.95 wh. yellow tan er3
thin Fe cemented ledges
laterally, unit becomes well
indurated, parallel bedded
er3
2 11.30 Lt & dk gray with yellow-
tan bedded interval of siltst
& mudst
rare local ss lenses
7.5 Base of friable
Lt grey ss. bccm