Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Hermosa area
Billover Creek section of Fill River
Connected exposures in N wall of
Billover Creek N1/2 SW1/4 NE1/4 Sec. 13, T2S, R7E
and a small knoll to E, include practically
a complete Fill River section. In
stream cut marked lateral changes
show SS lens coming in at contact
from W to E and below contact
from E to W. Two sections measured
to show this.
OK
11th
Section 17 A. West end of cut about 35' E of
pinchout of upper channel. * (No E dip
assumed, may be too much here.) Rest un toped.
Beginning in the Lakota & measuring up.
Slopewash.
(1)
5.0'-?
Siltstone, hard, clayey, purple and
light gray with irreg. zones and
vein-like bodies of fragmental
Fe-cemented clayey hard siltst.
Upper 2.0' is light tan finely
silty brittle clsts which grades
to overlying unit.
(2)
6.2'
Claystone, gray to brownish gray
and tan in lower half, and gray
to purplish gray in upper.
Finely silty to very silty, coarse
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