Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
unit
thickness(m)
1m Thick, indurated
channel 70 m NE.
7.7 top of unit 55.
3 1.8 grey friable vfg at base (er 6)
becoming ind, ferrug. (er 9) at top
SS.
4 2.3 silty med. grey unit; capped by
siltcrete, 0.3-0.5 m thick
(er 9)
End seg A.
Begin seg B. at Grimy Gulch plant quarry
5 .45 med. grey siltst. becoming
finer grained upward (er 4-3)
6 .57 lignite (er 2)
7 1.00 ss, vfg, tan wh, ill-bedded at
base w/ thin mudst/siltst
interbeds [splay], fossil plants
in basal .25 m; top often
limonited cemented, med to
very dark brown, ferrug.
(er 6)