Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
forsets indicating W to E (Attitude on foresets,
N 45 W, 52°W overturned), Send grams
well rounded.
1st ss
← Discount
Yan B
8.2 Clay weathering slightly blue gray, fresh it is
typical dk gray plastic.
BREAKDOWN -
3.2 - Clay, dk gray, .5 Ft stained zone top.
1.5 - Clay with interbeds siltstone up to .1
thick.
3.2 - Clay, dk gray, .1 Bentonitic? zone at base
.3 - Siltstone.
10.±
Sandstone, hard fine grained, beds chiefly
.5 to 1.5 with thin laminated ill bedding, some
silty laminae or partings, light gray weathering.
← Discount
7.0 Silty channel clay and argillaceous siltstone
dk gray & brown gray, weak shale weathers light
blue-gray, siltstone light gray. Siltstone in
beds up to 1.0 thick, lensicular, cheery in
upper part. Thin beds siltstone ± 0.1 in lower
part, about .5 of siltstone at base.
16.0±
Siltstone, fine grained thin bedded (.1 to 1.0)
cross bedding notable within channels that
intersect. Siltstone beds in UPPER part
men grade into fat silty shale laterally
to thin this unit & increase shale unit above
some resistant ledges fine SS chiefly in
lower part.
local discount
7.6 Clay shaly, weathering fissile with scattered
beds thin (up to 1 ft) siltstone (clayey)
16