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Contributed by Yale Peabody Museum of Natural History.
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Transcription
Check with JR
Note - except where interbedding noted or beds called
"banded", questionable how much JR calls silty shale
is actually a shale - i.e. in contrast to silty clay,
where doubtful original is quoted. Doubt consult "ironstone"
6
5.2
As in (2), with concentration of concretions
as follows -
2.3
extensive thin layer dk qr. concs with
light "bumpy" rind.
3.3
sparsely scat, layer of similar concs.
5.2
loczl, scat, small punky, sudy concs
some with cores.
7
8.0
Chiefly interbedded silt and silty-shale with
extensive conc. zone at top. Concs in broad
sand jackets that may constitute layer, conccs
are "ironstone" [question this]. Beds below have
gerosite layers .2 to .5 thick at 2.6, 4.1 and 7.2.
8
5.2
"Silty shale", layer concs 1.1 thick at top,
Concs "ironstone" with convoluted gray ss
jackets.
9
11,4
"Silty shale", dk gray weathous ten-gray some
limonitic streaks. At top 9" limonitic
zone with pocket loose fossils (A-4650)
10
9.5
"Silty shale", with 1.0 conc. layer, "ironstone"
with with gray ss jackets, at top.
11
10.0
Clayey silt, lay small (3" thick) "ironstone"
concs at top.
12
4.8
"Silt", with zone large "ironstone" conccs
up to 2.0 dm with gray to tan ss
jackets.
13
6.9
Sand, fine grained, brown wth., minor
shaley beds, small scattered "ironstone" concs
at 1.9 and 5.5. At top a layer
"ironstone" conccs with red-yell-barn.