Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Greenhorn
28'
Chiefly sh,
grey + silty,
interc. siltstn +
2, few bentonites.
covered
shps
wash
493-D
Platcy tau siltst,
shaley lower part 19"
Bentonite 24"
Brown-Black sh, oysters 13"
Bentonite 8"
Black sh,
Lincoy siltst,
D.Gray sh,
Bentounite
Brittle gray calc.
Sh 26"
fish vertebrac
Bentonite
Gr. sh + silty sh.
(prob. COCOs) 2"
28"
Bentonite
1"
Gr. sh + silty
sh.(COCO?)
24"
rusty
5
Gr. sh + sily sh
few siltstn layers 29"
rusty
6
Light-to brown gray
hard silty sh., w/t.
thin beds siltstn. 36"
Bentonite
2"
Gr+ brown gr. silty
sh., layers plty siltst. 28"
3
2 Bentonites 3"@9"
sh. betw.
16"
Gr. sity sh.(worn?)
Gr. shy. sh. few
thin siltstn beds 25"
2 bentonites as shown
Bentonite 2"
Platcy siltst. w/t.
Interc. sh., bccau 36"
shiftyup
1
siltstone ledge
frag. fossils 18"
welshed on crop from top, 493-B.
493-C
shale+ siltstone in this interval
commonly fossiliferous. Material
fragmental, chiefly inoceramid shell,
oysters, rounded wood frags, sharks
teeth
Bentonites in this part of sectroy
highly gypsiferous + gypsum xls
common in shales.