Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
3.6
Sandstone, fine grained, laminated
with dm silty streaks
3.4
Interbedded silty claystone, shale and
argillaceous siltstone & siltstone. Upper
1/2 chiefly shale/claystone, lower bedded silt
2.6
Sandstone, fine grained, laminated
with dm silty streaks.
1.7
Dk gray to black silty [illegible] clay with laminae + interbeds of
siltstone - chiefly in lower 1/2.
6.5
Sandstone, fine grained dense massive
ltc gray
1.0
Hard silty shale, weathers ltc gray + blue gray
2.4
Hard dK gray to black argil (i). siltstone
some zones slightly shaley, weathers dark,
greenish czst
0.2
Bentonite
5.0
Interbedded dk silty claystones in 2.4 above
and fine grained sandstone.
1.9
Dek gray to black fissile wcathy shale.
2.2
Fine grained argill. siltstone, loc. ss, with
shaley pting in middle pztH.
1.6
Gray silty clay with white Fe specks, couchy
fracture local Fe stain.
5.2
Interbedded argilaceous siltstone and
fine ss, local thin beds silty sh. Whole
irregi bedded. Shale mostly in upper 1.5
10