Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
58
10) Color white, 2" diam pebbles, some cresoids &
hygroscopic, a few jaw lines, brown weathering,
gray on fresh surface. 4'
11) a) shale break - 1'
b) 7 to 6" well cemented Calcareous, laminated
upper 2", flat upper surface.
total 1 1/2'
12) Covered 24'--probably shale (gray)--for more
brown calcareous may be present.
13) Calcareous, brown weathering, lower part a
shelly hardy, a shale break and then the
well cemented 4" to 8" calcareous laminated
dust total for unit, 4 1/2'
14) Calcareous, (ls rubble) [the main difference
between the so called "rubble" and what I've
been calling ls conglomerate seems
to be the cementing material. In the
"rubble" the cement is clay & weathers to
a yellow or yellow brown] gray & mottled
brown weathering. 18' in 6" to 18" beds.
59
7/6/57/4
7/6/57/5
15) Calcareous, brown weathering, frags in lower
part fine pebbles to coarse sand sizes, progressively
finer toward top--and sand sizes at top. no
apparent laminations. 3 1/2'
16) same as @7, 5 1/2'
17) 3" shale break
1 1/2' of calcareous like @5
18) like @4, 4'
19) like @10, 1 1/2' but pebbles 1" to 1/2" diam