Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Hole 41
Surf. Elev.
Depth: 74'2"
From To Th.
0 3'6" 3'6" Overburden
3'6" 16'9" 13'3" White medium grained spar-
ingly micaceous sandstone
with streaks & partings of
white sandy plastic clay.
locally brown stained.
16'9" 20'2" 3'5" Gray to brownish gray med.
to fine grained sandstone
with streaks and seams
clayey brown silt.
20'2" 32'7" 12'5" Alternating zones of 1) light
gray med. grained mic
sandstone with minor
coaly and Fe partings; and
2) Gray fine grained sand-
stone coaly partings.
32'7" 40'3" 7'8" Light gray micaceous
Sandstone, medium grain-
ed. Minor coaly streaks.
40'3" 44'1" 3'10" Gray silty shale, sandy
laminated in lower 2 feet.
44'1" 56'5" 12'4" Gray and light gray fine to
medium grained sandstone.
coaly streaks common, some
zones shale and clay
inclusions, 3/4 inch coal at
49'.
56'5" 59'1" 2'8" Dark gray finely silty black
shale.
59'1" 60'2" 1'1" Black clay shale.
60'2" 60'6" 4" Coaly black shale + slate.
60'6" 60'10" 4" Dark gray to black semi-hard
to hard flinty clay.
60'10" 61'3" 5" Coal
61'3" 68'5" 7'2" Hard clay, as follows
9" Hard black top block
upper 4" somewhat
shaley - coaly