Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
2.9 Siltstone, thin bedded, finely
laminated, gray + white siltstone
Locally some thin beds fine gr
silty ss intercalated. Dk gray
laminae two shaly have ocky
matter, weathers gray
1.5 Siltstone, lzm. dk + light as
above, plant fragments, loc'l
study; differs from above
in being more massively
bedded. Plant frags in lower pt.
(In next cut down this is f.gr. ss locally)
1.9 Siltstone, massive in lower
part, somewhat shaly in
upper. Dk gray to black
locally carbonaceous. locally
= 0.9 Shaly gray siltst.
corb frags., crumbly
0.6 Hard dk-gray-bk
siltstone, plant rootlets
+ frags
0.4 As above but crumbly,
locally somewhat clayey,
Fall River - Lzkota contact.
(Part B) 4.6 Siltstone, gray, ferruginous, with
Fe specs, weathers bright orange-
yellow, grading down ward
thru silty claystone to
18