Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
11 6.5
Siltstone, massive and gray at base,
with irreg, wormy to contorted
bedding; above becomes irreg.
plenty to locally shale; minor very
fine gr sandstone in thin beds,
sclattered. Chiefly gray-buff under
brown wash.. Plant frags thought-scatt.
At here is Fe impreg silt 0.2 -
0.4 with gypsum under? it, loc @ Festino,
10 1.7
Claystone, black, silty, becoming
very silty in lower 0.7+ and
lighter in color with yellow to
tan stain-grades to unit below
9 0.8
2787/
Siltstone, clayey and silty -
claystone, blocky tough, Fe
stained red and tan, has
spherulites ? (see sample #1)
8 2.3
Claystone, tough, silty, blocky,
olive gray, slickensided, grades
into units above + below, locally
has Fe veinlets -and pockets of
Fe specks (spherical) which are
red stained. Laterally (to N,) [illegible]
This unit is variegated with
red and is a more pura
claystone.
22.