Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
AIN 50-19
25.8 Relatively thin bedded 4' to 10', locally cross bed
+ cross lam, Fine qr ss, with shale
ss interbeds in lower 6'. Weather's
Buff + brown - lickers like most Doltsi.
[illegible]
3.3 Shaley trauelli sr/stone + silty shale. Upper 1' +/-
lignitic silty clay, then silt beds silty sty
+ Slightly silsty + silty clay, all with plent
frogs, whole weather's into gray. Fresh brn gray.
12.0 Massive, graveliam fme qr, ss, cql od
base + some stringers thru base. Weather's to
gray muddy streaks + splotches, 4 ft from
top is 1' +/- zone liquidic silty clay - along
streak & couch erect gray silty
clasts comes in (25 in Jau B sect)
under liq clay. Grades to cql ss below.
Resembles base Morrison Cougar section.
Toward crest along slope a massive loff
weather ss comes in about 7' below
base cql ss. It has deep crust red
FeO on it, lith. between ss obscure
look like lite green silty clay of Morrison
type.
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