Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
AIN-51-24 - Clog Siding Area
(2)
Calcereous siltstn; weather yellow gray,
with some frags leveo I no's and
oysters, probably a Hexplosocplia. it
is 8" strip 3/8"+ thick, with oysters
growing on our surface;
N 35° W, 65° W orientation.
(3)
Pierre shale, vertical to steep eastern
dip. Fossils from mid of cut
(4)
Very coarse ckt qtzde calk ledge.
(5)
Morrison like - speckled finely calcic ss
with fines - lies about 20-25 below
(clozet) cal at 4.
(6)
A massive x bel lite qr ss - like a Lythm
but below cal & sep. from it by some
soft stuff - it may be 3rd but doesn't
look it.
(7)
Thin, lensed ss - light, some clay mat, coarse
to finely calcic. red soil on slope just above
(8)
Red soil zone
(9)
Massive cal. coarse.
(10)
Disconfi? a finely calcic bru weather x lzm ss
on massive white x bed ss
(11)
green litus & yell weather silts typical
of Green Morrison.
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