Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Hole 42
Surf. Elev.
Depth 75'11"
From To Th.
0 2'11" 2'11"
Overburden
2'11" 9'9" 6'10"
White sandstone, medium
grained, micaceous. Partings
of sandy white plastic clay.
Local iron staining, minor
coaly streaks near base.
9'9" 10'9" 1'
Light brown gray sandy
plastic clay with zones of
hard sandstone.
10'9" 20'6" 9'9"
Medium to, locally, fine
grained light sandstone
with reddish brown to
pink Fe stain. Faintened
clayey partings, coaly
streaks and inclusions
in basal 4". Whole is
probably light gray in color.
20'6" 22'10" 2'4"
Medium to fine grained
carbonaceous sandstone,
cross-laminated shot with
coaly, shaley, + clayey streak
partings and inclusions.
Sandstone shows abrupt
grade size changes.
22'10" 29'6" 6'8"
Gray silty shale and shaley
siltstone with lenses
of light gray fine grained
sandstone. Occasional
identifiable fans on bedding
planes.
29'6" 38' 8'6"
Light gray, locally gray,
medium grained
micaceous sandstone,
numerous coaly partings.
1/2" coal at 33'6", scattered
minor clay + shale pellets
32'6"