Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
blobs and some rusty Fe stain.
Becomes sandy at top end
contains stringers & lulls of
shale in upper 1,3t instead
of being mixed.
11 2.5
Sandy, fine grained, gray, loc greenish
subgraywacke with scath, glauconite
grazins. OB tube-like cones and
cone protings. Some clay blobs.
12 1,3
Shale, dark gray, "clay", prob.
bentonitic, forms popcorn crust.
13 1.2
C0329
Sandy, fine grained, greenish gray,
with scath. feruginous cones and
Fe brown -OB impreg. locally,
weths olive gray to yellowish.
14 3,5
Shale, dark gray, "clay"sh, some
thin layers & stringers ss at
top and base
15 2.1
Sandy, fine-grained, gray, loc. greenish
gray, weths, somewhat yellow
gray. OB stain, stringers and
tubules. Also some scath. Fe
stone cones. Frizible, Some shale
layers in lower foot. Weth
olive gray to yellowish
58