Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
break, sideritic. Other scattered
cone zones one locally 217
from top another about
4.0 from base.
Sample 3 = upper 3'
Sample 4 = lower 6'
4.3,
Shale, dk grey to black,
interlam in fine ss +
siltstone in upper 2', upper
few inches worths Fe OB.
Other silty zones, chiefly
in bszl 0.5. Gyp on
fracture surfaces.
(Sample 5)
7.3
Shale dk grey to black fissily
loczl interlam silt zone
1/0 from top. Shale is
tilter than that above 4.3
finely uniformly silty
(Sample 6)
3.3
Szsds tone, + siltstone, fine,
clycey, ivrec interbedded +
interlam with silty black
clay. Worths fo crumbly
yellow grey outcrop.
Has loczl 1zryc Fe worth 15.
Concs. + gyp on fractures. 34