Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
sec L-7-1
Sample L-7-1-1 conc
from 28.5' of
sec L-7-1
conc at 29.5
31.5
32.5
some limonite
staining
around conc
layers.
31.6 - 5Y 7/1 fissile
clay gyp,
eff.
32.6 - 10Y 6/4 non
mic clay
concs 33.5 n/t cont /a/
34 n/t cont l..
36 - very fissile 10Y 5/2
slightly micaceous
shale some limonite
staining 10YR 6/4
37- 5 x 6/1 silty shale
fissile.
gyp. effl. (white) an