Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
of crumbly gray silt jackets occur locally
in leveeite layers.
6) 17.0
Lower 5.0-6.0': chiefly dull gray clayey silt
locally shaley. Above gray to yellowish
or light brownish gray sandy, clayey
silt, sand vfg increasing upward
as clay content decreases upward. At.
9.0-9.5' scattered red weather is common.
And at top is Big spheno cone. layer.
Both cone layers loc. jacketed. Big spheno
layer
7) 5.7
As in 6) below to base layer scattered
large cone masses, vfg sand & silt
that weather pinky to flashy gray to brown.
Some of these cones is more sandy than
preceding interval.
Section 2. On toe of SW trending spur to ridge
Beginning at top of big spheno layer.
1) 5.2
Gray to yellowish gray vfg sandy silt
with some clay and blobs dull silty silt.
weather light yellowish gray.
2) 9.3
Intermixed, mottled gray to yellowish gray
vfg sandy silt and gray silty clay. Whole
is clayey, less sandy than interval 1).
At 5.3-5.5' and in top 0.2' are
OB stained zones mottled silt &
vfg sand.