Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Hole 12GC.
0 to 20 Surficial
35 Med. gr. SS
36 No Recovery
44 Poor '' (1'6") includes 1' of limestone
and 6" soft clay with limestone fragments.
45 Carbonaceous shale and clay
47-3 Coal -- Lower Bakers town
49-4 Dark gray plastic clay
60-10 Claystone minor pyrite
91-7 Clayey shale with nrey, brecciated siltstone + SS.
93-3 Fine to med SS, mottled, clayey matrix
97-8 Greenish shaley siltstone.
105-9 Claystone + silty claystone gray to greenish,
with faint olive red streak 98-5 to 99-3
1/3 Gradation clay-siltstone - fine SS, green to gray
145 Medium gr. SS (Buffalo)
151-8 Gray claystone + silty claystone (Rec. 28")
156-6 Siltstone minor shaly zones
157-6 Limestone + limy claystone
160-4 Fine gr. SS, minor siltstone.
179-5 Silty claystone, sandy at top.
182-2 Claystone
195 Silty green-gray claystone, siltstone at top
199-10 Fine to med SS gray and greenish
202-3 Shaly, clayey siltstone, green
202-11 Dark purple claystone
207-7 SS and fragmental claystone in SS matrix
234 Silty green + gray claystone streaks
fragmental claystone at base. (Sample of latter - lith.)
GC 121
245-6 Silty sandstone
253-6 Shaly clay, sandy lower part, 1' med. gr SS
at base
254-8 Sandy carb. clay
257-1 Coal Davis
286-6 Dark claystone, locally shaly, to faint clay
alternating with claystone, some
siliceous flint at base