Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
3.0 Shale, dk grzy-black fissile, silty.
4 Bentonite.
2.12 Silty sh + shzlly siltstn., ferroginous
siltstone layers in upper 1 foot
1
4.13 Interbedded Siltstone and silty shale
chiefly shale in upper half, siltstone
and ss+ in lower , SS- yellowish friable, Beds
up to .4
4.14 Sandstone, massive x lzm, med-gr.
bds' to 2.0
15.0 Irreg bedded fine SS in zltecountry,
resistant + friable beds. Whole with
local zones lamnce siltstone,dk.
Worths-grey with Fe stain in
some beds.
2.12 Similar to above but with shale
partings + thin beds coming in
and increasing clownyard in
prop. to silt-sand. stady Lower 3.7 chiefly
shldy siltstone
33.0 Partilly covered but hard beds
protude.
Interbedded silty shale, siltstone
and ss sandstone. SS in beds 0.1 to 0.3
endless no fine gr. and freq most
common in lower 1/2 upper 2/3
more shaly + siltstone detailed
more common than SS.
3.8 Fine to med gr massive SS, friable
12