Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
chert +q+zte pebbles. Bszl
1/8 unconsol. cht pbblo grzuel
1.5 Siltstone, gray, grading to
fine-qr white ss. Few coarse
grains and scattered granules.
0.6 Siltstone, gray, grading to fine
grzued unconsol. ss. Few
coarse cht+q+tz grains.
1.7 Sandstone, med qr, unconsol
gravelly with cht+qtz granules
+ pbbles (to 1/4") in abudance
3.4 Clayey Siltstone + silty
claystone, gray to brownish
gray upper 0.6, light gray
below, scattered grains +
granules cht+q+tz thruout.
bszl 2 feet those up to
1/4"+, some bigger.
6.4 Sandstone, fine to coarse
grzued, friable, forms
discontinuous outcrop, locally
upper pzt poorly consol.
Some qalte stronger,
may just be finer upper
pzt of coarse cyl below