Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
12.0 Silty shale and siltstone, interbedded,
mostly siltstone which is argill. to ferrug.
thin beds less than 1" common.
1.6 Silty shale dark gray, grading into
argill siltstone at top.
2.0 Argillaceous siltstone and fine ss.
7.6 Sandstone, massive, fine grained,
Fe-brown weeth, ripple wkd stop,
0.2 Gray 2oz py bentonitic clay, [?]ot sample #4}
#4
5.5 Argillaceous siltstone
Shale silty to highly silty with
some irony, ducks argill, slt, clk
grey to clay
7.0 Siltstone argillaceous, soft locl zones
silty claystone, some creep, beds
harder siltstone in upper 1.5.
3.0 As above but no rests at beds,
2.8 Sandstone, massive, fine grained,
dense.
6.0 Siltstone and highly silty shale, alk
grey, rusty ferruginous zone about .2 #5
of silt at base with some conc Fe.
1.8 Sandstone, fine grained, laminated,
argill. at top, locally has inter lzw, Shale
2.0 T crep interbedded, dk gray to bltlt sh
grey and lite argy siltstone, argill + loc
cerb frzgs. Bed argill sltst, about
0.6 at top.
1.0 shale, dk grey silty with 0.2 bentonite
at top, and 0.2 sltsto below bentonite.