Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
28
40.
Med. gray shale
29
50.
Lignite
30
165.
Mod. gray shale, grading
upward in 20 cm to
brownish gray
mudstone; graded medium
gray mudstone
intervals 2cm
thick each.
31
40.
Brownish gray vf g sand
w/ thin siltstone intervals
X-labeled, red/brown-gray
intervals
32
100.
Lignite
33
215.
Channel ss, basal
contact down cutting,
500 cm long set,
log on contact. VFg
medium gray ss, V
dirty w/ X-bolding
and carbonaceous
matter on X-beds,
Contains clay Fe
concs., tan weathering
above 100cm