Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
9
with brownish-grey shale; some small
pyrite nodules; trace sand logs.
6" SS gray, soft, platy
6" yellow sulphur zone with limonite and
some selenite
Pierre, (Elk Butte Memb.?)
9'4" shale, medium gray with olive cast,
fissile
1' Sand nodular zone, gray, soft,
crossbedded, cone-in-cone.
3' Sand, gray, very argillaceous,
interbedded thin streaks dark gray
fissile shale, laminated.
2' Sand, yellow buff, dirty, very fine
with streaks dark gray fissile shale;
some yellow-zone streaks.
6" yellow sulphur zone very soft.
7' Shale dark gray, fissile slightly