Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
partings and interbeds of carb
siltstone and silty claystone.
34) 10.0 Sandstone, fine grained, in massive
beds, x lem. Minor shaley ss
partings. White, weather buff
+ brown. Some reddish stain
locally in lower part.
33) 3.6 Siltstone, rugillaceous, carbonaceous
black with carb frags +
vitrain seams. Some ss at top base
(sample 1)
32) 1.6 ± .5 Sandstone, dirty fine grained and
siltstone in hard lenticular
layer shot through with
carbonaceous fragments. Weather
yellowish gray rounded ledge
(This lenses out to N where
porcellanitic clay sits on
carb siltstone above.
31) 0.3 Porcellanite zone, locally
gypsiferous,
30) 2.0 Claystone, dark gray to black-
silty, scattered carb frags
weathers blocky to sub-
conchoidal. (Sample 2
50