Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Hole 40
Surf. Elev.
Depth. 76'4"
From To Th.
0 3'5" 3'5" Overburden
3'5" 18'6" 15'1" white to light gray medium
to fine grained micaceous
sandstone, with partings
of white sandy plastic
clay (often weathered out
leaving Fe brown stains
on SS faces). Upper 3' with
brownish stain. Coaly
partings in lower 3'
Claron
18'6" 20'2" 1'8" Light gray medium grained
micaceous sandstone coaly
partings & minor shaley
streaks.
20'2" 22'1" 1'11" Coaly black shale, sandy. Claron Shale
22'1" 23'2" 1'1" Gray shaley clay, some and A coal
plant impressions.
23'2" 24'6" 1'4" Coal
24'6" 24'9" 3" Gray carbonaceous sandstone
coaly & clayey streaks.
24'9" 30' 5'3" Light gray medium, locally
fine grained, sandstone,
micaceous, scattered coaly
streaks.
30' 43'4" 13'4" Alternating gray med. to
fine grained sandstone and
sandy to shaley gray
siltstone, latter often shows
bands & laminae of light
gray sandstone. From 40-5
to 43'4" siltstone out except
where large inclusions
present in medium grained
siltstone with coaly streaks.
Homewood
43'4" 50'5" 7'1" Gray medium grained
sandstone, coaly streaks
and partings locally with
shale inclusions.