Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
grey, with Fe specs. which
locally weather yellow giving
intervals splotchy stain.
Is locally clayey. (Sample #1)
2.1 Siltstone, grey to light grey,
thin bedded,, upper 0.7 whitish
shelly loc. Grades to silty
shelly; and dark grey shale
in lower 0.5, which grades
through bentonitic zone to unit
below,
1.3 Bentonite.
1.3 Liquitic silty clay seems
liquite
5.5 Claystone, hzud, grey to light grey
+ brownish grey?i Darker
shreddes in upper 3.0 where
clay freezes plentifully, chiefly
rootlets., This zone may
be fair. not clay, but finely
silty.
Lower 2.5 is light grey
silty clay with local
concentrations of Fe blobs
which weather out in irregular
brown Fe clusters or mounds
(Sample 2) ->
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