USGS6; Geologist core description. |
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Top (ft) |
Depth (ft) |
Thick (ft) |
Description |
|
0.00 |
20.00 |
20.00 |
Cased to 20' initially, later to
40' |
|
20.00 |
25.50 |
5.50 |
Mudstone, silty, light
gray-green; silty streaks; sandy in basal
0.5'; soft crumbly zone in basal 0.2'; sharp lower contact. |
|
25.50 |
28.10 |
2.60 |
Sandstone, light gray-green;
fine grained; micaceous; silty. |
|
28.10 |
29.00 |
0.90 |
CORE LOSS, in fractured zone of
sandstone according to driller. Could have also been in crumbly zone of
mudstone unit above sandstone. |
|
29.00 |
31.15 |
2.15 |
Sandstone, light gray-green;
fine grained; micaceous; silty. |
|
31.15 |
32.10 |
0.95 |
CORE LOSS, ground-up, fine
grained, light gray-green sandstone.. |
|
32.10 |
33.47 |
1.37 |
Sandstone, light gray-green;
very fine grained; micaceous; sharp lower contact. |
|
33.47 |
34.00 |
0.53 |
Sandstone, light gray-green;
fine grained; ripple bedded. |
|
34.00 |
34.80 |
0.80 |
CORE LOSS, at top of core run. |
|
34.80 |
38.53 |
3.73 |
Shale, medium gray-green with
few thin, faint red bands; clear lower contact. |
|
38.53 |
41.15 |
2.62 |
Shale, red, moderately bedded;
sharp lower contact. |
|
41.15 |
41.83 |
0.68 |
Claystone, light gray with
common, very thin, dark gray streaks; common, coarse, red mottles in basal
half; clear lower contact. (Paleosol A horizon). |
|
41.83 |
43.70 |
1.87 |
Claystone, mottled,
predominately red; soft; common, fine to medium, faint, light gray mottles
and streaks; common pedogenic slickensides. (Paleosol B horizon). |
|
43.70 |
44.00 |
0.30 |
CORE LOSS At top of
core run. |
|
44.00 |
44.25 |
0.25 |
Claystone, red, soft; clear
lower contact on appearance of pedogenic slickensides. (Paleosol B horizon). |
|
44.25 |
45.10 |
0.85 |
Claystone, mottled, red;
abundant, coarse, prominent, light gray-green mottles; common pedogenic
slickensides. (Paleosol B Horizon). |
|
45.10 |
46.05 |
0.95 |
Claystone, slickensides, light
gray-green; few pedogenic slickensides; sharp lower contact. |
|
46.05 |
46.30 |
0.25 |
Claystone, medium gray-green
with dark gray streak <0.01', thick at top; clear lower contact. (Paleosol
A Horizon). |
|
46.30 |
47.15 |
0.85 |
Claystone, light gray-green;
common pedogenic slickensides; pyritic in basal 0.2'; sharp lower contact.
(Paleosol B horizon). |
|
47.15 |
49.17 |
2.02 |
Siltstone, light gray-green;
slightly fissile; gradual lower contact. |
|
49.17 |
50.60 |
1.43 |
Shale, light gray-green; sharp
lower contact. |
|
50.60 |
51.55 |
0.95 |
Shale, light gray-green;
noncalcareous; abundant, coarse, distinct, calcareous nodules; sharp lower
contact. |
|
51.55 |
59.10 |
7.55 |
Sandstone, cross-bedded, light
gray-green; fine grained; zones of calcareous nodules from 54.75' to 55.45'
and from 56.60' to 57.60'; sharp
lower contact. |
|
59.10 |
59.85 |
0.75 |
Shale,
light gray-green; abundant, coarse, prominent, calcareous nodules; sharp
lower contact. |
|
59.85 |
60.00 |
0.15 |
Sandstone, light gray-green;
fine grained; sharp lower contact. |
|
60.00 |
60.55 |
0.55 |
Shale, medium gray; abundant,
coarse, distinct, calcareous nodules; sharp lower contact. |
|
60.55 |
60.90 |
0.35 |
Sandstone, light gray; fine
grained; sharp lower contact. |
|
60.90 |
71.10 |
10.20 |
Sandstone, light gray; fine
grained; abundant, medium-coarse, faint-distinct calcareous nodules;
micaceous; diffuse lower contact. |
|
71.10 |
96.80 |
25.70 |
Sandstone, light gray; massive;
micaceous; few, medium, medium gray shale clasts from 72.3' to 72.5'; thin
dark mineral streaks from 88.7' to 89.0' and in basal 0.10', sharp lower
contact on grain size change. |
|
96.80 |
97.50 |
0.70 |
Sandstone, cross-bedded, light
gray; medium grained; micaceous; medium gray streaks; bi-directional
cross-beds; sharp lower contact with change in bedding. |
|
97.50 |
100.90 |
3.40 |
Sandstone, light gray; fine
grained; micaceous; mostly planar bedded; coarse, medium gray shale pebbles
and clasts in basal 0.5', sharp lower contact. |
|
100.90 |
104.40 |
3.50 |
Sandstone, interbedded
claystone, shale medium gray; well to weakly bedded; medium gray claystone
beds, some very soft and clayey; beds vary from 0.2' to 1.0' thick; clear
lower contact. |
|
104.40 |
106.70 |
2.30 |
Mudstone, medium gray; few
weakly developed slickensides; angular sharp lower contact. |
|
106.70 |
108.80 |
2.10 |
Sandstone, medium gray-green;
very fine grained; finely micaceous; massive; clear lower contact at
occurrence of calcareous nodules and streaks and coarse grain size. |
|
108.80 |
109.80 |
1.00 |
Siltstone, medium gray-green;
abundant, coarse, distinct calcareous nodules and streaks; sharp lower
contact. |
|
109.80 |
110.50 |
0.70 |
Shale, light gray-green; poorly
bedded; distorted bedding; clear lower contact. |
|
110.50 |
110.62 |
0.12 |
Shale, medium to dark gray with
medium gray-green bands; sharp lower contact. |
|
110.62 |
112.30 |
1.68 |
Shale, medium gray-green;
common, coarse, slightly calcareous nodules and streaks in basal 0.7'; sharp
lower contact. |
|
112.30 |
116.37 |
4.07 |
Sandstone, shale interbeds,
mostly light gray-green; fine grained; cross-bedded sandstone with light to
medium gray-green shale beds at top and base; common, coarse, calcareous
nodules and streaks in sandstone from 114.3' to 115.45'; gradual lower contact. |
|
116.37 |
119.20 |
2.83 |
Shale, medium gray-green;
becoming poorly bedded from 117.45' to base; clear lower contact. |
|
119.20 |
124.00 |
4.80 |
Sandstone, light gray to light
gray-green; fine grained at top, very fined grained at base with medium
gray-green shale streaks in basal 1.3'; large calcareous nodule from 120.9'
to 121.3'; few, medium, distinct calcareous nodules and streaks from 122.70'
to base; clear lower contact. |
|
124.00 |
125.25 |
1.25 |
Shale, medium gray-green; few
dark gray streaks in basal 0.3'; clear lower contact. |
|
125.25 |
127.08 |
1.83 |
Claystone, slickensides, medium
gray; few pedogenic slickensides; gradual lower contact. |
|
127.08 |
127.82 |
0.74 |
Shale, black and interlaminated
medium gray; pyrite streaks and nodules; sharp lower contact. |
|
|
Washington coal bed, 127.82 -
137.23 (9.41', parting= 6.62'), Elv.= 705' |
|
127.82 |
128.32 |
0.50 |
Shale, black, common fine-medium
pyrite lenses and streaks, sharp lower contact at first coal band. (sampled). |
|
128.32 |
130.12 |
1.80 |
Shale and coal interlaminated,
black carbonaceous shale with thin bands (<0.01') of moderately bright
coal; common pyrite streaks and lenses, sharp lower contract. (sampled). |
|
130.12 |
131.10 |
0.98 |
Coal, moderately bright banded
coal with dull black shale (?) streaks, sharp lower contact. (sampled).
Washington Coal Elv.: 696 |
|
131.10 |
131.33 |
0.23 |
Shale, carbonaceous, very thin
coal streaks; sharp lower contact. (Sampled). |
|
131.33 |
132.79 |
1.46 |
Shale, medium gray with dark
gray to black streaks; few very thin
coal streaks; sharp lower contact; (Sampled). |
|
132.79 |
133.17 |
0.38 |
Coal, pyritic, especially
abundant pyrite streaks in the top; dull band at 132.95; sharp lower contact.
(Sampled). |
|
133.17 |
135.93 |
2.76 |
Shale, medium gray with some
light gray streaks; sharp lower
contact. (Sampled). |
|
135.93 |
136.23 |
0.30 |
Coal,
slumped; dull streaks; angular sharp lower contact. (Sampled). |
|
136.23 |
136.41 |
0.18 |
Limestone, slumped nodule with
pyrite (?). (Sampled). |
|
136.41 |
137.02 |
0.61 |
Coal, moderately bright; calcite
on cleat; free of pyrite; sharp lower contact. (Sampled). |
|
137.02 |
137.23 |
0.21 |
Shale, carbonaceous. (Sampled
with coal). |
|
137.23 |
142.63 |
5.40 |
Claystone, slickensides, medium
gray; soft; common pedogenic slickensides; gradual lower contact. |
|
142.63 |
153.00 |
10.37 |
Sandstone, calcareous nodules,
light gray; very fine grained; common to abundant, coarse, prominent,
calcareous nodules in discrete zones, not throughout unit; interbedded shale
in bottom 1.5'; diffuse lower contact. |
|
153.00 |
156.77 |
3.77 |
Shale, few coarse, prominent,
calcareous nodules; sharp lower contact. |
|
156.77 |
158.70 |
1.93 |
Claystone, medium gray-green;
weakly bedded; one large, prominent calcareous nodule near top; sharp lower
contact. |
|
158.70 |
164.25 |
5.55 |
Shale, light to medium gray;
silty from 160.0' to 161.7'; few, coarse, distinct, calcareous nodules from
top to 162.0'; angular, sharp lower contact. |
|
164.25 |
168.24 |
3.99 |
Shale,
sandstone streaks, light to medium gray; fine grained; ripple bedded
sandstone streaks; few, coarse, distinct, calcareous nodules; gradual lower
contact. |
|
168.24 |
169.30 |
1.06 |
Shale,
silty, medium gray; silty; sandy; few, coarse, distinct, calcareous nodules
and streaks; diffuse lower contact. |
|
169.30 |
173.98 |
4.68 |
Sandstone, light gray; fine
grained; massive; clear lower contact. |
|
173.98 |
174.85 |
0.87 |
Shale, sandstone streaks, medium
gray; few, thin sandstone streaks, especially at base; sharp lower contact. |
|
174.85 |
179.80 |
4.95 |
Sandstone, light gray; fine
grained; micaceous; ripple bedded in top, becoming planar bedded around
179.0' to base; sharp lower contact. |
|
179.80 |
183.38 |
3.58 |
Sandstone, shale streaks,
sandstone: light gray; fine grained; ripple bedded. Occasional medium gray
shale streaks or thin beds up to 0.12' thick. Clear lower contact with loss
of shale streaks. |
|
183.38 |
190.17 |
6.79 |
Sandstone,
light gray; fine grained; coarsens upward to medium at top; mostly ripple
bedding with some cross bedding; few coarse, distinct, calcareous nodules;
sharp lower contact. |
|
190.17 |
196.04 |
5.87 |
Shale,
sandstone streaks, shale: medium gray, few, light gray, cross bedded, fine
grained, sandstone streaks, especially from 191.0' to 193.7'; clear lower
contact. |
|
196.04 |
205.34 |
9.30 |
Shale, medium gray; darker gray
and poorly bedded from 198.0' to 200.1'; calcareous nodules from 201.8' to
202.0'; few thin coal streaks in basal 0.3'; sharp lower contact. |
|
|
Waynesburg A coal bed, 205.34 -
205.93 (0.59') Elv:= 627' |
|
205.34 |
205.49 |
0.15 |
Coal, impure, dull with bright
zone in top 0.05'; sharp lower contact. (Sampled). |
|
205.49 |
205.93 |
0.44 |
Coal, moderately bright; few
pyrite streaks; (Sampled) |
|
205.93 |
212.82 |
6.89 |
Claystone, calcareous nodules,
medium gray; few pedogenic slickensides; abundant, coarse, distinct,
calcareous nodules starting at 208.9'; becoming weakly bedded around 210.5';
clear lower contact. |
|
212.82 |
215.87 |
3.05 |
Sandstone, calcareous nodules,
medium to light gray; very fine grained; silty; few, coarse, distinct,
calcareous nodules; clear lower contact. |
|
215.87 |
218.37 |
2.50 |
Sandstone,
cross-bedded, light gray; fine grained; micaceous; clear lower contact. |
|
218.37 |
221.12 |
2.75 |
Shale, medium gray; bedding
becoming weaker to base (top of cumulative paleosol); diffuse lower contact
with color and bedding change. |
|
221.12 |
226.25 |
5.13 |
Mudstone, red, few, medium to
coarse, distinct light gray-green mottles to 222.60'; few, fine, faint,
calcareous nodules from 222.4' to base; unit slightly calcareous; common
pedogenic slickensides; gradual lower contact with color change. |
|
226.25 |
227.70 |
1.45 |
Mudstone, slickensides, medium
gray; few, fine, faint, calcareous nodules; common pedogenic slickensides;
clear lower contact. |
|
227.70 |
232.63 |
4.93 |
Sandstone, calcareous nodules,
light gray; very fine from top to 230.0', fine to base; mostly ripple bedded;
abundant, coarse, distinct, calcareous nodules and streaks in zones
throughout unit; sharp lower contact. |
|
232.63 |
247.57 |
14.94 |
Shale, sandstone streaks, shale:
light gray. Light gray, fine grained, ripple bedded sandstone streaks; also
common, coarse, distinct, calcareous nodules in zones; clear lower contact. |
|
247.57 |
250.95 |
3.38 |
Sandstone, light gray; fine
grained; mostly ripple bedded with some ripple cross lamination; clear lower
contact. |
|
250.95 |
253.00 |
2.05 |
Shale, sandstone streaks, dark
gray with few, thin, light gray, very fine grained sandstone streaks down to
252.42', none to base; sharp lower contact. |
|
253.00 |
254.64 |
1.64 |
Shale, dark gray; sharp lower
contact with coal. (Not sampled). |
|
|
Dunkard - Monongahela Groups
contact |
|
|
Waynesburg coal bed, 254.64 -
259.22 (4.58', parting= 1.98'), Elv:=
574' |
|
254.64 |
255.45 |
0.81 |
Coal, moderately bright clarain;
some thick vitrain; few pyrite streaks; impure in top 0.1'; sharp lower
contact. (Sampled). |
|
255.45 |
255.57 |
0.12 |
Shale, coal interlaminated,
sharp lower contact. (Sampled). |
|
255.57 |
255.67 |
0.10 |
Shale, dark gray; sharp lower
contact. (Sampled). |
|
255.67 |
256.53 |
0.86 |
Coal, moderately bright; few
dull bands; few fine pyrite streaks; sharp lower contact; (Sampled). |
|
256.53 |
258.29 |
1.76 |
Shale, medium gray; high angle
sharp lower contact with coal; (Sampled). |
|
258.29 |
259.22 |
0.93 |
Coal, moderately bright with few
thin dull bands; few fine pyrite streaks; sharp lower contact; (Sampled). |
|
259.22 |
267.71 |
8.49 |
Shale, light to medium gray;
some poorly bedded zones; diffuse lower contact. (Sampled about 0.10' of the
top with the coal) |
|
267.71 |
269.66 |
1.95 |
Shale, sandstone streaks, shale:
medium gray with medium gray sandstone streaks and sandy zones; few, coarse, distinct, calcareous nodules;
clear lower contact. |
|
269.66 |
271.17 |
1.51 |
Sandstone,
shale streaks, sandstone: light gray, medium grained, ripple cross laminated;
with medium gray shale streaks; sharp lower contact. |
|
271.17 |
272.85 |
1.68 |
Shale, sandstone streaks, shale:
medium gray; with few, medium gray sandstone streaks; clear lower contact. |
|
272.85 |
276.70 |
3.85 |
Shale, medium gray; large
calcareous nodule or nodular limestone bed from 273.45' to 273.93'; clear
lower contact. |
|
276.70 |
279.22 |
2.52 |
Sandstone, shale streaks,
sandstone: light gray, very fine grained, ripple to planar bedded; with thin,
medium gray shale streaks; sharp lower contact. |
|
279.22 |
284.30 |
5.08 |
Shale, medium gray. |
|
284.30 |
284.90 |
0.60 |
Mudstone, slickensides, medium
gray; pedogenic slickensides; clear lower contact on color change. |
|
284.90 |
286.43 |
1.53 |
Mudstone, red; with coarse,
distinct, calcareous nodule at top; clear lower contact with color change and
bedding development. |
|
286.43 |
294.10 |
7.67 |
Shale, medium gray; slightly
silty in zones; large calcareous nodule from 293.3' to 292.5'; reddish from
293.0' to 293.7'; sharp lower contact. |
|
294.10 |
295.00 |
0.90 |
Claystone, mottled, light to
medium gray with few, coarse, distinct red mottles; clear lower contact with
color change. |
|
295.00 |
295.50 |
0.50 |
Claystone, medium gray; gradual
lower contact, grading into shale below. |
|
295.50 |
296.42 |
0.92 |
Shale, medium gray; sharp lower
contact. |
|
296.42 |
296.45 |
0.03 |
Limestone, black; organic-rich;
thin bed. |
|
296.45 |
297.03 |
0.58 |
Limestone, dark gray; gradual
lower contact on loss of calcareous material and texture change. |
|
297.03 |
299.80 |
2.77 |
Siltstone, medium gray-green;
clear lower contact. |
|
299.80 |
303.50 |
3.70 |
Shale, medium gray-green; silty
in top 0.1-0.2'; sharp lower contact. |
|
303.50 |
304.92 |
1.42 |
Claystone, medium gray-green;
weakly bedded (brief pedogenesis in cumulative environment); sharp lower
contact. |
|
304.92 |
307.22 |
2.30 |
Shale, medium gray-green; few,
coarse, faint, calcareous nodules; clear lower contact. |
|
307.22 |
308.67 |
1.45 |
Claystone, medium gray-green
with few, medium, distinct, calcareous nodules; clear lower contact with
color and texture change; (paleosol horizon). |
|
308.67 |
311.60 |
2.93 |
Mudstone, calcareous nodules,
medium gray; common, coarse, distinct, red mottles; common, fine-medium,
distinct, light gray to red, calcareous nodules; few pedogenic slickensides.
(Paleosol B horizon). |
|
311.60 |
314.10 |
2.50 |
Mudstone, red, few, fine to
medium, prominent, light gray-green mottles, mostly longer than wide;
abundant pedogenic slickensides; some drilling breakage, core loss probably
in this unit. |
|
314.10 |
315.00 |
0.90 |
CORE LOSS, wedged in barrel. |
|
315.00 |
317.98 |
2.98 |
Mudstone, red, few, fine,
prominent, light gray-green mottles, mostly round, some very fine streaks;
abundant pedogenic slickensides; sharp lower contact. |
|
317.98 |
322.13 |
4.15 |
Siltstone,
sandstone interbedded, siltstone: light gray-green; few zones of light gray,
fine grained sandstone streaks; also few, fine to coarse, distinct calcareous
nodules; sandstone streaks folded around one nodule indicating pre-compaction
hardening of nodules; gradual lower contact with loss of silt. |
|
322.13 |
331.11 |
8.98 |
Shale, medium gray-green;
slightly silty to 323.55'; fine to coarse, distinct calcareous nodules and
red bands from 330.0' to 330.2'; diffuse lower contact into claystone below.
(Cumulative contact). |
|
331.11 |
332.06 |
0.95 |
Claystone, medium gray-green;
weakly bedded; diffuse lower contact on the red color appearance. |
|
332.06 |
335.82 |
3.76 |
Claystone, red, slightly bedded
in top 0.7'; common, fine to coarse, distinct, light gray mottles; few,
coarse, prominent, calcareous nodules; common, fine, prominent, white
calcareous streaks in gray mottles; common pedogenic slickensides; diffuse
lower contact at last red and development of bedding. |
|
335.82 |
345.10 |
9.28 |
Shale, light gray-green;
slightly silty in zones; sandy zone 341.32' to 341.50'; clear lower contact
with greater silt content. |
|
345.10 |
351.40 |
6.30 |
Siltstone and sandstone
interbedded, siltstone: medium gray. Thin zones of light gray, fine grained,
sandstone and sandstone streaks; common, coarse, prominent, calcareous
nodules to 349.70'; gradual lower contact to sandstone; part of fining upward
sequence. |
|
351.40 |
355.75 |
4.35 |
Sandstone, cross-bedded, light
gray; fine grained at base, fining up to very fine grained; large, distinct,
calcareous nodule at 353.6'; sharp lower contact. |
|
355.75 |
357.06 |
1.31 |
Shale, silty, medium gray; few,
coarse, faint, calcareous nodules; clear lower contact. |
|
357.06 |
360.20 |
3.14 |
Sandstone, cross-bedded, light
gray; micaceous; medium grained at base, fining upward to fine grained;
sharp, irregular, compactional lower contact. |
|
360.20 |
361.17 |
0.97 |
Sandstone, medium gray; very
fine grained; micaceous; with large, irregular masses of medium grained,
slumped sandstone; irregular, compactional, sharp lower contact. |
|
361.17 |
365.06 |
3.89 |
Sandstone, cross-bedded, light
gray; micaceous; very fine grained, planar to ripple bedded at the base,
coarsening upward to medium to coarse grained and cross bedded at the top;
few high angle slump lines at 363.3'; angular, sharp lower contact. |
|
365.06 |
371.15 |
6.09 |
Sandstone, cross-bedded, light
gray; coarse grained; some mica; medium grained to base; high angle, sharp
lower contact; dark streaks in base. |
|
371.15 |
371.77 |
0.62 |
Claystone, kaolinite, light
gray; sharp lower contact. |
|
371.77 |
371.96 |
0.19 |
Shale, black, very thin coal
streaks at 371.90'; sharp lower contact. |
|
371.96 |
372.03 |
0.07 |
Claystone, kaolinite, light
gray-brown; thin streak; sharp lower contact. |
|
372.03 |
372.73 |
0.70 |
Shale, carbonaceous, black
carbonaceous streaks interlaminated with medium gray streaks; pyrite streaks
in top 0.2'; clear lower contact to black shale. |
|
372.73 |
375.29 |
2.56 |
Shale, black, some carbonaceous
plant trash on bedding surfaces; some slickensides; sharp lower contact. |
|
|
Uniontown coal bed, 375.29 -
375.32 (0.03'), Elv.= 458' |
|
375.29 |
375.32 |
0.03 |
Coal streak, sharp lower
contact. (Not sampled). |
|
375.32 |
379.30 |
3.98 |
Limestone, argillaceous, medium
gray; thin bedded; not very much clay; diffuse lower contact to hard
limestone. |
|
379.30 |
380.29 |
0.99 |
Limestone, light gray; hard; few
ostracodes; nodular in base; sharp lower contact. |
|
380.29 |
383.72 |
3.43 |
Siltstone, light gray;
calcareous to 381.41'; few, coarse, faint, calcareous nodules from 341.41' to
base in noncalcareous matrix; fine pyrite, especially at top; clear lower
contact. |
|
383.72 |
388.87 |
5.15 |
Sandstone, burrowed, light gray;
fine grained; micaceous; ripple bedded with clay drapes(?); common, vertical
to curving sub-vertical, 0.01' to 0.02' diameter burrows filled with medium
gray, fine grained silt, especially prominent from 388.5' to base; sharp
lower contact. |
|
388.87 |
394.09 |
5.22 |
Shale, light to medium
gray-green; slightly calcareous in bottom 0.10'; sharp lower contact. |
|
394.09 |
394.80 |
0.71 |
Limestone, light gray to light
gray-brown; hard; very fine grained; sharp lower contact. |
|
394.80 |
395.15 |
0.35 |
Limestone, argillaceous, dark
gray; ostracodes; sharp lower contact. |
|
395.15 |
395.44 |
0.29 |
Claystone, noncalcareous; medium
gray-green groundmass with black clasts; black streak at base; sharp lower
contact. |
|
395.44 |
396.42 |
0.98 |
Limestone, light gray to light
gray-brown; hard; very fine grained; sharp lower contact. |
|
396.42 |
396.67 |
0.25 |
Limestone, medium gray;
ostracodes; sharp lower contact. |
|
396.67 |
397.37 |
0.70 |
Claystone, medium gray-green;
sharp lower contact. (Paleosol on limestone). |
|
397.37 |
398.60 |
1.23 |
Limestone, light gray; hard;
dense; some spar; sharp lower contact. |
|
398.60 |
399.83 |
1.23 |
Shale, medium gray-green;
noncalcareous; few thin bands of ostracode hash in bottom 0.15'; sharp lower
contact. |
|
399.83 |
400.20 |
0.37 |
Limestone, light gray;
laminated; hard; ostracodes; sharp lower contact. |
|
400.20 |
400.96 |
0.76 |
Limestone, nodular, light to
medium gray with light gray nodules; hard; abundant ostracodes in dark zones;
sharp lower contact. |
|
400.96 |
402.04 |
1.08 |
Limestone, light gray; hard;
dense; ostracodes; sharp lower contact. |
|
402.04 |
402.34 |
0.30 |
Limestone, dark gray; sharp
lower contact. |
|
402.34 |
402.93 |
0.59 |
Limestone, nodular, light gray;
hard; dense; abundant fractures in top filled with dark gray limestone;
irregular, sharp lower contact. |
|
402.93 |
404.68 |
1.75 |
Limestone, argillaceous, medium
gray-green, dark gray; light gray hard zones; weakly calcareous from 404.1'
to 404.5'; gradual lower contact to limestone below. |
|
404.68 |
405.68 |
1.00 |
Limestone, light gray; hard;
dense; clear lower contact. |
|
405.68 |
407.80 |
2.12 |
Limestone. medium gray; hard;
dense; few, coarse, faint, light gray nodules; sharp lower contact. |
|
407.80 |
408.42 |
0.62 |
Limestone, light gray; hard;
dense; ostracodes; sharp lower contact with color change. |
|
408.42 |
408.58 |
0.16 |
Limestone, light gray-green;
hard; sharp lower contact. |
|
408.58 |
409.50 |
0.92 |
Limestone, medium gray; hard;
clear lower contact. |
|
409.50 |
411.55 |
2.05 |
Limestone, argillaceous, medium
gray; two hard, light gray, thin limestone bands in basal 0.3'; sharp lower
contact. |
|
411.55 |
411.96 |
0.41 |
Limestone, light gray to light
gray-brown; hard, ostracodes; sharp lower contact. |
|
411.96 |
413.27 |
1.31 |
Limestone, argillaceous, medium
gray; slightly fissile; one slickenside; gradual lower contact with color and
bedding change. |
|
413.27 |
415.10 |
1.83 |
Limestone, argillaceous, equally
mottled medium gray, dark gray-red, and olive, all coarse and faint; clear
lower contact. (Paleosol horizon). |
|
415.10 |
420.12 |
5.02 |
Limestone, argillaceous, medium
gray; common, coarse, prominent, light gray, hard calcareous nodules and
zones/beds; red streak from 418.6' to 418.7'; sharp lower contact. |
|
420.12 |
420.39 |
0.27 |
Limestone, light gray; hard;
dense; spar streaks; irregular, sharp lower contact. |
|
420.39 |
420.85 |
0.46 |
Limestone, argillaceous, medium
gray-green; few, coarse, prominent, light
gray, calcareous nodules; sharp lower contact. |
|
420.85 |
421.93 |
1.08 |
Limestone, light gray; hard;
dense; nodular from 421.5' to base; sharp lower contact. |
|
421.93 |
422.60 |
0.67 |
Limestone, dark gray; hard;
dense; sharp lower contact. |
|
422.60 |
423.60 |
1.00 |
Limestone, light gray to light
gray-brown; hard; dense; ostracodes; sharp lower contact. |
|
423.60 |
426.63 |
3.03 |
Mudstone, slickensides, medium
gray; slightly calcareous; few pedogenic slickensides; clear lower contact
with nodules and color change. (Paleosol horizon). |
|
426.63 |
432.70 |
6.07 |
Mudstone, calcareous, medium
gray; few, coarse, prominent, calcareous nodules in top 0.5'; common, coarse,
faint, olive and red mottles; clear lower contact on loss of calcareous
matrix and color change. (Paleosol horizon). |
|
432.70 |
438.96 |
6.26 |
Mudstone, red, noncalcareous;
abundant, coarse, prominent, light gray mottles; few, medium, distinct, olive
mottles; abundant pedogenic slickensides; diffuse lower contact on color
change. (Paleosol horizon). |
|
438.96 |
441.13 |
2.17 |
Mudstone, medium gray; few,
coarse, faint, red mottles; noncalcareous; clear lower contact on color
change and abundance of slickensides. (Paleosol horizon). |
|
441.13 |
442.05 |
0.92 |
Mudstone, slickensides, medium
gray; common, coarse, distinct, olive mottles; noncalcareous; common
pedogenic slickensides; clear lower contact on color change. (Paleosol
horizon). |
|
442.05 |
443.43 |
1.38 |
Mudstone, mottled, equal areas
of coarse, distinct, red, light gray, and olive mottles; common pedogenic
slickensides; clear lower contact. (Paleosol horizon). |
|
443.43 |
445.11 |
1.68 |
Shale, interlaminated light
gray, red, and olive; noncalcareous; sharp lower contact with color change.
(Paleosol C horizon). |
|
445.11 |
447.42 |
2.31 |
Shale, light gray;
noncalcareous; common, thin, silty streaks; sharp lower contact. |
|
447.42 |
448.56 |
1.14 |
Limestone, argillaceous, medium
gray; sharp lower contact. |
|
448.56 |
450.81 |
2.25 |
Limestone, light gray; hard;
dense; abundant ostracode layers; medium gray with light gray nodules in
basal 0.80'; sharp lower contact. |
|
450.81 |
453.53 |
2.72 |
Limestone, medium gray; slightly
argillaceous; few, coarse, distinct, light gray, calcareous nodules; black,
discontinuous band, 0.02' thick with abundant, spar-filled ostracodes and
pyrite at 451.15'; sharp lower contact. |
|
453.53 |
455.70 |
2.17 |
Limestone, light gray; hard;
dense; with dark gray bands of ostracode cochina in top 0.6'; nodular in
basal 0.6'; clear lower contact. |
|
455.70 |
457.26 |
1.56 |
Limestone, nodular, medium gray;
common, coarse, distinct, calcareous nodules to 456.6'; mostly light gray,
hard, dense limestone from 456.6' to base; sharp lower contact. |
|
457.26 |
461.12 |
3.86 |
Limestone, argillaceous, medium
gray-green to 459.6', medium gray to base; sharp lower contact. |
|
461.12 |
462.55 |
1.43 |
Limestone, light gray; hard;
dense; streaks of medium gray, argillaceous limestone from 461.6' to base;
sharp lower contact. |
|
462.55 |
463.23 |
0.68 |
Limestone, light gray; hard;
dense; sharp lower contact. |
|
463.23 |
466.53 |
3.30 |
Mudstone, calcareous, medium
gray; few, coarse, prominent, light gray, calcareous nodules; few pedogenic
slickensides; sharp lower contact. |
|
466.53 |
467.08 |
0.55 |
Limestone, medium gray with
hard, light gray streaks; sharp lower contact. |
|
467.08 |
468.03 |
0.95 |
Limestone, light gray; hard;
dense; vertical fractures from top to 467.7', solid to base; sharp lower contact. |
|
468.03 |
471.22 |
3.19 |
Limestone, argillaceous, medium
gray-green; few, coarse, prominent, light gray, calcareous nodules from
470.0' to base; sharp lower contact. |
|
471.22 |
473.40 |
2.18 |
Limestone, light gray with
medium gray streaks; irregular top surface; sparry calcite streaks in top
0.5'; sharp lower contact. |
|
473.40 |
475.41 |
2.01 |
Limestone, dark gray at top
grading to medium gray; large, prominent, light gray, calcareous nodule in
base; sharp lower contact. |
|
475.41 |
478.18 |
2.77 |
Limestone, light gray; hard;
dense; nodular in top 0.45' and basal 0.9'; middle featureless; sharp lower
contact. |
|
478.18 |
478.48 |
0.30 |
Limestone, nodular, abundant
fine to medium nodules in a medium gray matrix; hard; clear lower contact. |
|
478.48 |
480.90 |
2.42 |
Limestone, light gray; hard;
dense; few, thin, nodular zones; sharp lower contact. |
|
480.90 |
482.38 |
1.48 |
Limestone, nodular, light gray,
hard, dense zones interbedded with medium gray limestone with ostracodes;
sharp lower contact. |
|
482.38 |
483.16 |
0.78 |
Limestone, light gray; hard;
dense; sharp lower contact. |
|
483.16 |
483.90 |
0.74 |
Limestone, nodular, light gray;
hard; dense; interbedded with medium gray limestone; sharp lower contact. |
|
483.90 |
483.98 |
0.08 |
Limestone, medium gray; sharp
lower contact. |
|
483.98 |
484.98 |
1.00 |
Limestone, light gray; hard;
dense; upper 0.4' nodular in matrix of bed above; lower part light gray,
hard, and dense; sharp lower contact. |
|
484.98 |
486.35 |
1.37 |
Limestone, nodular, light gray,
hard, dense beds interbedded with medium gray limestone; sharp lower contact. |
|
486.35 |
488.92 |
2.57 |
Limestone, brecciated, medium
gray with abundant light gray bands around clasts and some discontinuous
light gray streaks; sharp lower contact. |
|
488.92 |
492.85 |
3.93 |
Limestone, argillaceous, medium
gray-green with light gray-green streaks in brecciated pattern; becoming more
argillaceous to base; sharp lower contact. |
|
492.85 |
493.50 |
0.65 |
Limestone, light gray; hard;
dense; some medium gray streaks; sharp lower contact. |
|
493.50 |
494.65 |
1.15 |
Limestone, brecciated, medium to
dark gray with light gray around clasts; hard; one slickenside; sharp lower
contact. |
|
494.65 |
495.58 |
0.93 |
Limestone, light gray; hard;
dense; with some subordinate brecciation in basal 0.5'; sharp lower contact. |
|
495.58 |
496.90 |
1.32 |
Limestone, brecciated, medium
gray with light gray-green around clasts or within fractures; brecciation
extends to 496.4' then fades; high angle, sharp lower contact. |
|
496.90 |
500.53 |
3.63 |
Limestone, light gray; hard;
dense; few, thin, nodular zones; sharp lower contact. |
|
500.53 |
501.20 |
0.67 |
Limestone, nodular, light gray;
hard; dense; fine to coarse nodules in light gray matrix; wavy, sharp lower
contact. |
|
501.20 |
501.26 |
0.06 |
Limestone, argillaceous, medium
gray-green; thin surface horizon; sharp lower contact. |
|
501.26 |
502.53 |
1.27 |
Limestone, nodular, medium gray
with mostly fine, faint, limestone nodules; angular, sharp lower contact. |
|
502.53 |
503.77 |
1.24 |
Claystone, calcareous
inclusions, medium gray-green; few, coarse, prominent, light gray, calcareous
nodules; few pedogenic slickensides; clear lower contact with color change
and no nodules. (Paleosol horizon). |
|
503.77 |
505.36 |
1.59 |
Claystone, slickensides, medium
gray; common pedogenic slickensides; angular, sharp lower contact. (Paleosol
horizon). |
|
|
Sewickley coal bed, 505.36
-506.59 (1.213', parting= 0.68'), Elv:= 327 |
|
505.36 |
505.82 |
0.46 |
Shale, carbonaceous, pyrite
streaks; sharp lower contact. (Sampled). |
|
505.82 |
506.37 |
0.55 |
Coal, impure, moderately bright
with dull streaks; pyrite streaks; sharp lower contact. (Sampled). |
|
506.37 |
506.43 |
0.06 |
Limestone, light gray; thin bed;
sharp lower contact. (Sampled). |
|
506.43 |
506.93 |
0.50 |
Shale, medium gray; sharp lower
contact. (Top 0.16' sampled with coal). |
|
506.93 |
511.33 |
4.40 |
Mudstone, medium gray; slightly
silty in top 0.3', rest clayey; clear lower contact. |
|
511.33 |
517.42 |
6.09 |
Shale and sandstone interbedded,
shale: medium gray beds 0.01' to 2.0' thick. Sandstone: light gray; fine
grained; mostly ripple bedded; 0.01' to 0.4' thick beds; part of fining
upward sequence; sharp lower contact. |
|
517.42 |
522.44 |
5.02 |
Sandstone, cross-bedded, light
gray; fine grained; micaceous; some ripple and ripple cross laminated zones;
sharp lower contact. |
|
522.44 |
526.44 |
4.00 |
Shale, medium gray; light
gray-green from 525.6' to base; sharp lower contact. |
|
526.44 |
526.44 |
|
Coal, Not Present, Fishpot Coal
Horizon. Elv.: 307 |
|
526.44 |
526.67 |
0.23 |
Limestone, black; pyritic; sharp
lower contact. |
|
526.67 |
527.73 |
1.06 |
Limestone, medium gray with few
dark gray to black streaks; sharp lower contact. |
|
527.73 |
529.19 |
1.46 |
Limestone, light gray-brown;
hard; dense; sharp lower contact. |
|
529.19 |
529.24 |
0.05 |
Shale, black, slightly
calcareous; sharp lower contact. |
|
529.24 |
531.19 |
1.95 |
Limestone, light gray; hard;
dense; sharp lower contact. |
|
531.19 |
531.92 |
0.73 |
Limestone and shale interbedded,
Limestone: light gray, hard zones; 2 beds 0.15' thick; Shale: black; slightly calcareous to black shaley
limestone; angular, sharp lower contact. |
|
531.92 |
534.15 |
2.23 |
Limestone, light gray; hard;
dense; few black streaks, less calcareous than other areas; few white spar
streaks; sharp lower contact. |
|
534.15 |
534.25 |
0.10 |
Shale, black, slightly
calcareous; sharp lower contact. |
|
534.25 |
534.77 |
0.52 |
Limestone, nodular, light gray;
hard; dense; nodular to 534.65', solid to base; sharp lower contact. |
|
534.77 |
534.83 |
0.06 |
Shale, black, slightly
calcareous; irregular wedge; sharp lower contact. |
|
534.83 |
536.51 |
1.68 |
Limestone, light gray; hard;
dense; few lenses of ostracode hash; sharp lower contact. |
|
536.51 |
536.86 |
0.35 |
Limestone, nodular, medium gray;
abundant, light gray, distinct, calcareous nodules; sharp lower contact. |
|
536.86 |
537.58 |
0.72 |
Shale, medium gray; some medium
gray-green clasts; noncalcareous; sharp lower contact. |
|
537.58 |
538.50 |
0.92 |
Claystone, light gray-green,
angular fragments; sharp lower contact. |
|
538.50 |
539.28 |
0.78 |
Shale, medium gray;
noncalcareous; sharp lower contact. |
|
539.28 |
542.02 |
2.74 |
Mudstone, calcareous inclusions,
medium gray to 540.3', medium gray-green to base; noncalcareous; few, coarse,
distinct, calcareous nodules; diffuse lower contact. (Paleosol horizon). |
|
542.02 |
544.00 |
1.98 |
Shale, medium gray-green; clear
lower contact. |
|
544.00 |
545.70 |
1.70 |
Shale, calcareous inclusions,
medium gray; few, coarse, prominent, calcareous nodules; sharp lower contact
at sandstone streak. |
|
545.70 |
548.36 |
2.66 |
Shale, sandy, medium gray; sandy
zones; clear lower contact. |
|
548.36 |
553.34 |
4.98 |
Shale, medium gray; sharp lower
contact. |
|
553.34 |
556.20 |
2.86 |
Limestone, light gray; hard;
dense; some gray-green bands to 556.6', light gray to base; abundant
ostracodes from 555.85' to 556.10'; sharp lower contact. |
|
556.20 |
556.43 |
0.23 |
Limestone, argillaceous, dark
gray; abundant ostracodes; sharp lower contact. |
|
556.43 |
557.30 |
0.87 |
Limestone, light gray; hard;
dense; nodular in top 0.4'; sharp lower contact. |
|
557.30 |
557.60 |
0.30 |
Shale, calcareous, medium gray;
slightly calcareous. |
|
557.60 |
563.25 |
5.65 |
Shale, calcareous, light to
medium gray; poorly bedded, transitional to argillaceous limestone; sharp
lower contact. |
|
563.25 |
563.35 |
0.10 |
Limestone, light gray; thin bed;
abundant ostracodes; sharp lower contact. |
|
563.35 |
570.18 |
6.83 |
Siltstone, calcareous
inclusions, light gray-green; weakly bedded; common, coarse, distinct,
calcareous nodules to 567.3', none below; clear lower contact. |
|
570.18 |
573.15 |
2.97 |
Shale, calcareous inclusions,
medium gray; common, coarse, distinct, calcareous nodules; sharp lower
contact. |
|
573.15 |
574.86 |
1.71 |
Shale, medium gray-green;
clayey; few dark gray streaks; sharp lower contact. |
|
574.86 |
575.71 |
0.85 |
Claystone, medium gray with a
black surface 0.03' thick; black root(?) traces throughout; gradual lower
contact. (Paleosol horizon). |
|
575.71 |
576.55 |
0.84 |
Siltstone, medium gray-green;
one calcareous nodule; sharp lower contact. |
|
576.55 |
576.90 |
0.35 |
Claystone, light gray with dark
gray streaks - root traces; sharp lower contact. (Paleosol horizon). |
|
576.90 |
577.09 |
0.19 |
Siltstone, medium gray-green;
sharp lower contact. |
|
577.09 |
577.23 |
0.14 |
Claystone, medium gray-green
with light gray-green streaks; sharp lower contact. |
|
577.23 |
583.77 |
6.54 |
Shale, calcareous nodules,
medium gray; few, coarse, faint, calcareous nodules; clear lower contact. |
|
583.77 |
585.43 |
1.66 |
Limestone, argillaceous, medium
to dark gray; shaley; abundant ostracodes; clear lower contact. |
|
585.43 |
587.27 |
1.84 |
Limestone, nodular, medium gray;
common, coarse, light gray nodules; some light gray-green claystone bands in
base; clear lower contact. |
|
587.27 |
588.60 |
1.33 |
Claystone, calcareous nodules,
medium gray; calcareous nodules; clear lower contact. |
|
588.60 |
590.47 |
1.87 |
Claystone, slickensides, medium
gray, abundant pedogenic slickensides; sharp lower contact. |
|
|
Redstone coal bed, 590.47 -
593.32 (2.85', parting= 0.58'), Elv.=
240' |
|
590.47 |
590.55 |
0.08 |
Shale, carbonaceous, black;
sharp lower contact with coal. (Sampled). |
|
590.55 |
592.82 |
2.27 |
Coal, mostly bright with some
thick vitrain bands; dull zone in top 0.15' and bottom 0.3'; few dull streaks
in middle; few pyrite streaks throughout; sharp lower contact. (Sampled). |
|
592.82 |
593.87 |
1.05 |
Shale, black, gradual lower
contact to mudstone. (Sampled top 0.5' with coal). |
|
593.87 |
598.45 |
4.58 |
Mudstone, slickensides, medium
gray; common pedogenic slickensides; sharp lower contact. (Paleosol horizon). |
|
598.45 |
598.62 |
0.17 |
Limestone, light gray; hard;
sharp lower contact. |
|
598.62 |
598.80 |
0.18 |
Claystone, medium gray-green;
sharp lower contact. |
|
598.80 |
600.32 |
1.52 |
Limestone, light gray; hard;
dense; nodular in basal part; sharp lower contact. |
|
600.32 |
600.87 |
0.55 |
Limestone, medium gray; abundant
ostracodes; two large light gray nodules at top; sharp lower contact. |
|
600.87 |
601.50 |
0.63 |
Limestone, nodular, light gray;
hard; dense; finely nodular; sharp lower contact. |
|
601.50 |
601.57 |
0.07 |
Limestone, black streak. |
|
601.57 |
603.28 |
1.71 |
Limestone, light gray-brown;
hard; dense; abundant spar calcite; very fine grained; sharp lower contact. |
|
603.28 |
603.55 |
0.27 |
Limestone, argillaceous, black;
abundant ostracodes; sharp lower contact. |
|
603.55 |
608.95 |
5.40 |
Limestone, light gray-brown;
abundant spar calcite; very fine grained; sharp lower contact. |
|
608.95 |
610.43 |
1.48 |
Limestone, argillaceous, medium
gray; few, fine to coarse, distinct, light gray, calcareous nodules; clear
lower contact. |
|
610.43 |
611.18 |
0.75 |
Limestone, nodular, medium gray;
light gray nodules; hard; dense; sharp lower contact. |
|
611.18 |
611.61 |
0.43 |
Limestone, argillaceous, medium
gray; sharp lower contact. |
|
611.61 |
612.02 |
0.41 |
Claystone, light to medium
gray-green; sharp lower contact. (Paleosol horizon). |
|
612.02 |
612.72 |
0.70 |
Mudstone, medium gray with very
thin, black streak at top; sharp lower contact. (Paleosol horizon). |
|
612.72 |
612.99 |
0.27 |
Claystone, dark gray;
noncalcareous; two thin, medium gray limestone bands; sharp lower contact.
(Paleosol horizon). |
|
612.99 |
615.10 |
2.11 |
Limestone, light gray-brown;
hard; dense; very fine grained; some spar calcite; nodular in basal 0.5';
sharp lower contact. |
|
615.10 |
615.62 |
0.52 |
Limestone, medium and light gray
laminations in top half; bottom half more massive with ostracodes; sharp
lower contact. |
|
615.62 |
618.95 |
3.33 |
Limestone, light gray; hard;
dense; few dark gray bands, especially in basal half; sharp lower contact. |
|
618.95 |
619.80 |
0.85 |
Limestone, argillaceous, medium
gray. |
|
619.80 |
620.82 |
1.02 |
Mudstone, slickensides, medium
gray; pedogenic slickensides; high angle, irregular, sharp lower contact.
(Paleosol horizon). |
|
620.82 |
623.91 |
3.09 |
Mudstone, calcareous nodules,
medium gray; few, medium to coarse, faint to distinct, calcareous nodules;
large zone of nodules in top 0.3'; abundant pedogenic slickensides; clear
lower contact with loss of nodules. (Paleosol horizon). |
|
623.91 |
626.51 |
2.60 |
Claystone, light to medium gray
with medium gray-green zones; common pedogenic slickensides; noncalcareous;
sharp lower contact. (Paleosol horizon). |
|
626.51 |
627.00 |
0.49 |
Claystone, kaolinitic?, Light
gray-brown; thin black streaks (roots?); kaolinitic?; irregular, sharp lower
contact. (Paleosol horizon). (Not sampled). |
|
|
Pittsburgh coal bed, 627.00 -
628.05 (1.05'), Elv.= 205' |
|
627.00 |
628.05 |
1.05 |
Coal, impure, top 0.3'-0.4' may
be carbonaceous shale (?); entire bed with overall dull appearance; large
pyrite lenses throughout; sharp lower contact. (Sampled, top of sample at
contact with overlying claystone). |
|
628.05 |
634.86 |
6.81 |
Mudstone, slickensides, dark
gray; noncalcareous; abundant pedogenic slickensides; becoming medium
gray-green at about 632.0'; minor calcite streaks near base of unit; gradual
lower contact. (Sampled top 0.02' with coal). |
|
634.86 |
642.19 |
7.33 |
Sandstone, silty, medium gray
green; very fine grained; cross bedded from 636.1' to 636.93'; ripple bedded
from 641.0' to base; few, fine, distinct, slightly calcareous to calcareous
nodules; clear lower contact. |
|
642.19 |
643.41 |
1.22 |
Shale, medium gray; sandy
streaks in basal 0.3'; sharp lower contact. |
|
643.41 |
645.18 |
1.77 |
Sandstone, light gray; fine
grained; micaceous; ripple bedded; shale streaks in basal 0.6'; clear lower
contact. |
|
645.18 |
656.88 |
11.70 |
Shale, calcareous nodules,
medium gray; thin, slightly calcareous bands and/or nodules starting at
648.3', up to 0.1' thick; clear lower
contact. |
|
656.88 |
660.80 |
3.92 |
Shale and sandstone interbedded,
Shale: medium gray. Sandstone: light to medium gray; very fine grained;
bottom 0.9' mostly sandstone; clear lower contact. |
|
660.80 |
664.42 |
3.62 |
Shale, medium gray to medium
gray-green; abundant compactional slickensides; poorly bedded from 663.2' to
663.9'; sharp lower contact. |
|
664.42 |
664.55 |
0.13 |
Shale, medium and dark gray to
black bands; sharp lower contact. |
|
664.55 |
666.05 |
1.50 |
Shale, medium gray-green; sandy
in basal 0.5'; sharp lower contact. |
|
666.05 |
668.65 |
2.60 |
Sandstone, light gray; fine
grained; micaceous; mostly low angle cross bedding, some planar bedding, some
ripple bedding, especially in base; sharp lower contact. |
|
668.65 |
669.95 |
1.30 |
Shale, medium to dark gray;
siderite band from 669.7' to 669.8'; sharp lower contact. |
|
669.95 |
670.59 |
0.64 |
Shale, black, common pyrite
streaks and nodules; coal horizon; sharp lower contact. |
|
670.59 |
670.59 |
0.00 |
Coal, Not Present, Little
Pittsburgh Coal Horizon. Elv.: 162' |
|
670.59 |
670.80 |
0.21 |
Limestone, argillaceous, medium
gray; sharp lower contact. |
|
670.80 |
671.36 |
0.56 |
Mudstone, medium gray-green;
sharp lower contact. |
|
671.36 |
672.40 |
1.04 |
Limestone, light gray-brown;
hard; dense; very fine grained; abundant spar streaks; laminated; sharp lower
contact. |
|
672.40 |
673.13 |
0.73 |
Limestone, medium gray in top
0.25', light gray to base; hard; dense; sharp lower contact. |
|
673.13 |
673.90 |
0.77 |
Mudstone, medium gray-green;
few, coarse, distinct, calcareous nodules near base; clear lower contact. |
|
673.90 |
675.87 |
1.97 |
Shale, medium gray-green; weakly
bedded; large calcareous nodule at 675.3'; sharp lower contact. |
|
675.87 |
676.40 |
0.53 |
Limestone, light gray-brown;
very fine grained; abundant spar streaks; laminated; sharp lower contact. |
|
676.40 |
676.45 |
0.05 |
Limestone, black; laminated;
sharp lower contact. |
|
676.45 |
677.66 |
1.21 |
Limestone, light gray; hard;
dense; ostracodes and spirorbis; abundant spar streaks from 676.83' to
677.23'; sharp lower contact. |
|
677.66 |
679.93 |
2.27 |
Claystone, medium gray-green,
with medium gray streaks at base; common pedogenic slickensides; sharp lower
contact. (Paleosol horizon). |
|
679.93 |
680.01 |
0.08 |
Shale, black, noncalcareous,
sharp lower contact. |
|
680.01 |
680.52 |
0.51 |
Limestone, light gray; hard;
dense; clear lower contact. |
|
680.52 |
685.00 |
4.48 |
Mudstone, calcareous, medium
gray; common, fine to coarse, distinct to prominent, highly calcareous
nodules; common pedogenic slickensides; clear lower contact on color and loss
of calcareous matrix. (Paleosol B horizon). |
|
685.00 |
688.15 |
3.15 |
Mudstone, mottled,
noncalcareous; equal areas of abundant, fine to coarse, red, light
gray-green, and olive mottles; few, faint to prominent, calcareous nodules;
common pedogenic slickensides; gradual lower contact on color change.
(Paleosol B horizon). |
|
688.15 |
690.37 |
2.22 |
Mudstone, red, subordinate,
common, fine to coarse, distinct to prominent, light gray-green and olive
mottles; common, fine to coarse,
faint to prominent, calcareous nodules; abundant pedogenic slickensides;
clear lower contact on color and texture change. (Paleosol B horizon). |
|
690.37 |
694.72 |
4.35 |
Shale, silty, medium gray-green;
sandy; poorly bedded in top 0.7';
abundant, fine to coarse, distinct, calcareous streaks and masses to 672.8';
sharp lower contact. (Paleosol C horizon). |
|
694.72 |
699.59 |
4.87 |
Sandstone, cross-bedded, medium
gray-green; medium to coarse grained in base, fining up to fine grained;
sharp lower contact. |
|
699.59 |
702.91 |
3.32 |
Shale, medium gray-green; sharp
lower contact. |
|
702.91 |
703.25 |
0.34 |
Sandstone, medium gray-green;
fine grained; thin bed; sharp lower contact. |
|
703.25 |
704.14 |
0.89 |
Shale, medium gray-green; sharp
lower contact. |
|
704.14 |
704.40 |
0.26 |
Claystone, dark gray to black;
weakly bedded; sharp lower contact. (Paleosol A horizon). |
|
704.40 |
704.88 |
0.48 |
Claystone, medium gray-green
with common, coarse, prominent, red mottles; weakly bedded; clear lower
contact with bedding and color change. (Paleosol B Horizon). |
|
704.88 |
706.79 |
1.91 |
Shale, medium gray-green; sharp
lower contact. (Paleosol C horizon). |
|
706.79 |
712.75 |
5.96 |
Sandstone, calcareous nodules,
medium gray-green; medium grained at base, fining up to very fine grained at
top; abundant, medium to coarse, distinct, calcareous nodules and masses;
sharp lower contact. |
|
712.75 |
735.13 |
22.38 |
Sandstone, cross-bedded, light
gray-green; some mica; medium grained, fining upward to fine grained;
abundant, medium to coarse, distinct, calcareous nodules from 721.9' to 722.78'; angular, sharp lower contact. |
|
735.13 |
735.36 |
0.23 |
Claystone, medium gray-green;
noncalcareous; sharp lower contact. |
|
735.36 |
735.56 |
0.20 |
Limestone, nodular, thin bed;
sharp lower contact. |
|
735.56 |
735.79 |
0.23 |
Shale, medium gray-green;
noncalcareous; sharp lower contact. |
|
735.79 |
735.95 |
0.16 |
Limestone, light gray; hard;
dense; thin bed; sharp lower contact. |
|
735.95 |
736.16 |
0.21 |
Claystone, medium gray-green;
noncalcareous; sharp lower contact. |
|
736.16 |
736.32 |
0.16 |
Limestone, light gray; hard;
dense; thin bed; sharp lower contact. |
|
736.32 |
738.15 |
1.83 |
Claystone, medium gray-green;
noncalcareous; weakly bedded; high angle, sharp lower contact. |
|
738.15 |
739.35 |
1.20 |
Limestone, nodular, light gray,
hard nodules in a medium gray-green matrix; angular, sharp lower contact. |
|
739.35 |
740.21 |
0.86 |
Mudstone, mottled, equal areas
of coarse, distinct, red and olive mottles; sharp lower contact. (Paleosol
horizon). |
|
740.21 |
740.76 |
0.55 |
Claystone, medium gray with dark
gray to black streaks; sharp lower contact. (Paleosol A horizon). |
|
740.76 |
743.02 |
2.26 |
Claystone, medium gray; weakly
bedded; common, coarse, faint, olive and red mottles in top 0.35'; clear
lower contact. (Paleosol B horizon). |
|
743.02 |
743.72 |
0.70 |
Sandstone, silty, medium gray;
very fine grained; sharp lower contact. |
|
743.72 |
744.57 |
0.85 |
Shale, medium gray; poorly
bedded in base; sharp lower contact. |
|
744.57 |
744.63 |
0.06 |
Claystone, dark gray to black;
sharp lower contact. (Paleosol A horizon). |
|
744.63 |
746.27 |
1.64 |
Claystone, medium gray; few,
coarse, faint, olive mottles in base; few pedogenic slickensides; clear lower
contact on color change. (Paleosol B horizon). |
|
746.27 |
747.00 |
0.73 |
Claystone, medium gray; common
coarse, distinct, olive and red mottles and red vertical streaks (oxidized
root traces?); common pedogenic slickensides with red along slickenside
surfaces; clear lower contact on color change. (Paleosol B horizon). |
|
747.00 |
748.51 |
1.51 |
Claystone, red, predominately
red; abundant, fine to coarse, faint
to distinct, light gray-green mottles and streaks; common pedogenic
slickensides; one badly broken zone; clear lower contact. (Paleosol B
horizon). |
|
748.51 |
749.59 |
1.08 |
Claystone, red, very soft (mud);
clear lower contact. (Paleosol B horizon). |
|
749.59 |
750.82 |
1.23 |
Claystone, mottled, equal areas
of abundant, coarse, distinct, red and
light gray-green mottles; common pedogenic slickensides; clear lower
contact on color and texture change. (Paleosol B horizon). |
|
750.82 |
754.30 |
3.48 |
Mudstone, mottled, medium
gray-green; abundant, fine to coarse,
distinct, red mottles; common pedogenic slickensides; clear lower
contact on color and occurrence of calcareous nodules. (Paleosol B horizon). |
|
754.30 |
760.37 |
6.07 |
Mudstone, calcareous nodules,
light gray-green; abundant, coarse, distinct, calcareous nodules and vertical
accumulations (rhizoconcretions?); few, coarse, faint, red mottles around
758.0'; few, weak pedogenic slickensides; diffuse lower contact at occurrence
of calcareous nodules and bedding development. (Paleosol B-BC horizon). |
|
760.37 |
763.40 |
3.03 |
Shale, sandstone streaks, medium
gray; thin, medium gray, very fine grained, sandstone streaks and thin beds
(< 0.5' thick); sharp lower contact. (Part of fining upward sequence). |
|
763.40 |
770.85 |
7.45 |
Sandstone, light gray; coarse
grained at base, fining up to medium grained; cross bedded to ripple bedded;
accessory minerals and rock grains; thin (about 0.02' wide) fracture filled
with medium gray mud from top to 764.4'; sharp lower contact. |
|
770.85 |
771.92 |
1.07 |
Shale, sandy, medium gray; sharp
lower contact. |
|
771.92 |
780.70 |
8.78 |
Sandstone, cross-bedded, light
gray; coarse grained at base, fining up to medium grained at top; large shale
pebble in top 0.2'; dark gray streaks in basal 1.5'; sharp lower contact. |
|
780.70 |
781.39 |
0.69 |
Sandstone, light gray; very fine
grained; sharp lower contact. |
|
781.39 |
781.55 |
0.16 |
Claystone, kaolinitic?, dark,
medium, and light gray streaks; sharp lower contact. (Paleosol A horizon). |
|
781.55 |
781.70 |
0.15 |
Claystone, light to medium gray
with dark streaks; sharp lower contact. (Paleosol A horizon). |
|
781.70 |
781.77 |
0.07 |
Claystone, black; few, fine,
distinct, pyrite nodules and streaks; sharp lower contact. (Paleosol A
horizon). |
|
781.77 |
782.00 |
0.23 |
Claystone, medium gray;
noncalcareous; hard; sharp lower contact. |
|
782.00 |
782.00 |
0.00 |
Coal, Not Present, Little
Clarksburg Coal Horizon. Elv.: 51 |
|
782.00 |
782.75 |
0.75 |
Limestone, light gray; hard;
dense; nodular in top 0.25'; sharp lower contact. |
|
782.75 |
783.17 |
0.42 |
Limestone, dark gray; hard;
laminated; sharp lower contact. |
|
783.17 |
783.45 |
0.28 |
Limestone, light gray; hard;
dense; angular, sharp lower contact. |
|
783.45 |
783.50 |
0.05 |
Limestone, black; thin cap on
bed below; sharp lower contact. |
|
783.50 |
784.82 |
1.32 |
Limestone, light gray; hard;
dense; top 0.2' fractured and filled with dark gray material from above; some
laminations near base; sharp lower contact. |
|
784.82 |
784.92 |
0.10 |
Claystone, medium gray-green and
black streaks; noncalcareous; one slickenside; clear lower contact. |
|
784.92 |
785.73 |
0.81 |
Limestone, medium gray; slightly
argillaceous; sharp lower contact. |
|
785.73 |
786.22 |
0.49 |
Limestone, light gray; hard;
dense; some spar streaks; sharp lower contact. |
|
786.22 |
787.78 |
1.56 |
Limestone, medium gray; few,
coarse, distinct, light gray, calcareous nodules; sharp lower contact. |
|
787.78 |
789.17 |
1.39 |
Limestone, light gray; hard;
dense; nodular in top 0.1'; spar streaks; sharp lower contact. |
|
789.17 |
790.93 |
1.76 |
Mudstone, medium gray;
noncalcareous; few, coarse, faint, calcareous nodules; clear lower contact. |
|
790.93 |
791.43 |
0.50 |
Limestone, nodular, light to
dark gray nodules; fine to medium; clear lower contact into non-nodular
limestone. |
|
791.43 |
792.02 |
0.59 |
Limestone, light gray; hard;
dense; some spar streaks; sharp lower contact. |
|
792.02 |
795.36 |
3.34 |
Shale, calcareous nodules,
medium gray-green; weakly bedded; fine to coarse, faint to distinct, calcareous nodules and streaks; pyrite
masses from 794.3' to 794.75'; light gray-green claystone breccia in bottom
0.2'; sharp lower contact. |
|
795.36 |
796.75 |
1.39 |
Claystone, calcareous nodules,
medium gray; noncalcareous; common, coarse, faint, calcareous masses; weakly
bedded; sharp lower contact. |
|
796.75 |
797.84 |
1.09 |
Claystone and limestone,
interbedded, thin beds (<0.1') of light gray, kaolinitic claystone with
dark gray to black limestone; few, medium, distinct, pyrite nodules; gradual
lower contact. |
|
797.84 |
802.21 |
4.37 |
Claystone, calcareous nodules,
medium gray to medium gray-green; abundant, coarse, faint to distinct,
calcareous nodules; weakly bedded; clear lower contact. (Paleosol horizon). |
|
802.21 |
802.97 |
0.76 |
Limestone, nodular, light gray
to light gray-green nodules in a medium gray matrix; sharp lower contact. |
|
802.97 |
805.23 |
2.26 |
Claystone, calcareous nodules,
medium gray; abundant, fine to coarse, faint to prominent, calcareous
nodules; sharp lower contact. |
|
805.23 |
805.73 |
0.50 |
Claystone,
light gray to light gray-green nodular clasts in medium gray matrix; sharp
lower contact. |
|
805.73 |
805.80 |
0.07 |
Shale, black. |
|
805.80 |
808.18 |
2.38 |
Mudstone, silty, medium
gray-green; few pedogenic slickensides; weakly bedded; clear lower contact at
occurrence of calcareous nodules. (Paleosol horizon). |
|
808.18 |
810.00 |
1.82 |
Mudstone, calcareous nodules,
medium gray-green; abundant, very coarse,
distinct, slightly calcareous nodules more or less continuous along
side of core; nodules internally nodular with very fine network of calcite. |
|
810.00 |
814.51 |
4.51 |
Shale, sandstone streaks, Shale:
medium gray-green; weakly bedded in top; plant fossils. Sandstone streaks: medium gray; fine
grained; clear lower contact to thicker beds. (Part of fining upward
sequence). |
|
814.51 |
850.47 |
35.96 |
Sandstone and shale,
interbedded, Sandstone: medium gray; fine grained; mostly cross bedded in
beds up to 2.0' thick, mostly thinner. Shale: medium gray; streaks to beds up
to 0.3' thick; plant fossils and
stems; high angle, sharp lower contact. |
|
850.47 |
856.50 |
6.03 |
Shale, medium gray; plant
fossils and stems; common slickensides; sharp lower contact. |
|
856.50 |
859.83 |
3.33 |
Sandstone,
shale streaks, Sandstone: very fine grained; cross bedded and some ripple
cross laminations. Shale streaks:
medium gray; <0.10' thick; plant fossils and stems; clear lower contact. |
|
859.83 |
860.90 |
1.07 |
Shale, silty, medium gray;
silty; sharp lower contact. |
|
860.90 |
861.80 |
0.90 |
Claystone, medium gray with dark
gray streaks and mottles; common pedogenic slickensides; clear lower contact
on color change. (Paleosol A horizon). |
|
861.80 |
863.33 |
1.53 |
Claystone, mottled, equal areas
of fine to coarse, faint to distinct, red and light gray-green mottles, with
a few black streaks; redder to base; common pedogenic slickensides; clear
lower contact on color change. (Paleosol B horizon). |
|
863.33 |
864.43 |
1.10 |
Claystone, light to medium
gray-green with subordinate black streaks; clear lower contact on color
change and occurrence of calcareous nodules. (Paleosol A horizon). |
|
864.43 |
867.40 |
2.97 |
Claystone, calcareous nodules,
light gray-green; noncalcareous; weakly bedded; few, coarse, prominent,
highly calcareous nodules; abundant, fine to coarse, faint to distinct, red
and olive mottles from 865.0' to base; diffuse lower contact on occurrence of
bedding. (Paleosol B horizon, base = BC horizon). |
|
867.40 |
887.70 |
20.30 |
Shale, calcareous nodules, light
gray-green; common, coarse, prominent, light gray, highly calcareous nodules
to 870'; few scattered, coarse, prominent, highly calcareous nodules from
870.0' to base; no marine fossils observed; sharp lower contact. |
|
|
Ames Marine Zone, 887.70 -
889.03 (1.33), Elv.= -55' |
|
887.70 |
889.03 |
1.33 |
Limestone, fossiliferous, light
gray, hard, dense, nodules in a medium gray-green matrix; few identifiable
crinoid columns and other possible marine fossils, but overall, nothing
obvious; sharp lower contact. |
|
889.03 |
890.38 |
1.35 |
Shale, medium gray-green; sharp
lower contact. |
|
890.38 |
892.04 |
1.66 |
Sandstone, light gray-green;
very fine grained; ripple bedded; clear lower contact. |
|
892.04 |
894.81 |
2.77 |
Shale,
medium gray; few, very fine grained, gray-green sandstone streaks; sharp
lower contact. |
|
894.81 |
896.06 |
1.25 |
Sandstone, light gray-green;
fine grained; sharp lower contact. |
|
896.06 |
898.03 |
1.97 |
Shale, medium gray-green; few,
thin, very fine grained, sandstone streaks; clear lower contact. |
|
898.03 |
899.93 |
1.90 |
Sandstone, shale streaks, light
gray; very fine grained; ripple bedded; with dark gray to black shale
streaks; sharp lower contact. |
|
899.93 |
901.60 |
1.67 |
Shale, medium gray; sharp lower
contact. (Bottom 0.05' sampled with coal.) |
|
|
Harlem coal bed, 901.55 - 904.90
(3.35', parting= 2.09'), Elv.= -69 |
|
901.60 |
901.76 |
0.16 |
Coal, impure, possibly
carbonaceous shale; sharp lower contact. (Sampled) |
|
901.76 |
903.75 |
1.99 |
Shale, medium to dark gray; very
soft zone at 902.35'; sharp lower contact. (Sampled). |
|
903.75 |
904.85 |
1.10 |
Coal, impure, some bright bands;
common, thin pyrite streaks; not broken for description. (Sampled). |
|
904.85 |
915.00 |
10.15 |
Claystone, calcareous nodules,
medium gray; few, fine to medium, faint, calcareous nodules; common pedogenic
slickensides; slightly silty to base; gradual lower contact on occurrence of
red mottles. (Sampled top 0.05' with coal). |
|
915.00 |
919.35 |
4.35 |
Claystone, calcareous nodules,
medium gray-green; few, fine to medium, faint, red mottles; common, fine to
coarse, faint, calcareous nodules; common to abundant pedogenic slickensides;
clear lower contact on color change and occurrence of calcareous nodules.
(Paleosol B horizon). |
|
919.35 |
926.10 |
6.75 |
Mudstone, red; common, fine to
coarse, faint to distinct, light gray-green, mottles and streaks;
common, fine to coarse, distinct to
prominent, calcareous nodules; abundant pedogenic slickensides; diffuse lower
contact with at occurrence of calcareous nodules. (Paleosol B horizon). |
|
926.10 |
930.92 |
4.82 |
Mudstone, red; few, fine to
coarse, distinct, light gray-green mottles; few, very thin calcareous
streaks; some weakly bedded zones; fine pedogenic structure; no slickensides;
clear lower contact on color and texture change. (Paleosol B horizon). |
|
930.92 |
932.12 |
1.20 |
Siltstone, light gray-green;
weakly bedded; few dark streaks in top (roots?); few, medium, calcareous
nodules, becoming finer to base; clear lower contact on color and texture
change. (Paleosol C horizon). |
|
932.12 |
935.55 |
3.43 |
Shale, red; weakly bedded at
top; few, fine to coarse, faint, olive and light gray-green mottles; clear
lower contact on color change. |
|
935.55 |
939.35 |
3.80 |
Shale, interbedded red and light
gray; few, fine, faint, calcareous streaks, especially from top to 937.2';
becoming poorly bedded in base; diffuse lower contact on loss of bedding.
(Cumulative horizon). |
|
939.35 |
940.70 |
1.35 |
Mudstone,
light gray; few, coarse, red mottles; few pedogenic slickensides; weakly
bedded; diffuse lower contact on bedding development. (Paleosol B horizon). |
|
940.70 |
941.10 |
0.40 |
Shale, interbedded red and gray;
sharp lower contact. |
|
941.10 |
941.47 |
0.37 |
Claystone, medium gray with very
thin, black streaks; sharp lower contact. (Paleosol A horizon). |
|
941.47 |
944.00 |
2.53 |
Sandstone, medium gray-green;
very fine grained; silty; black, very fine organic streaks from top to 943.25'; irregular, calcareous streaks in
basal 0.4'; clear lower contact to
shale. |
|
944.00 |
946.25 |
2.25 |
Mudstone, mostly light
gray-green; red mottled zone from
944.4' to 945.25'; fine calcareous streaks from 945.25' to 946.2';
clear lower contact on color and texture change. (Paleosol B horizon). |
|
946.25 |
953.67 |
7.42 |
Mudstone, mottled, equal areas
of fine to coarse, faint to distinct, red, olive, and light gray-green
mottles; silty to sandy; becoming clayey and weakly bedded to shale from 950'
to base; no slickensides; clear lower contact on color and bedding change.
(Paleosol B horizon). |
|
953.67 |
961.40 |
7.73 |
Shale, mostly light gray-green;
few, coarse, red and olive mottles and bands; poorly bedded, transitional to
claystone; solid gray-green in basal 1.7'; clear lower contact on texture
change, loss of bedding, occurrence of calcareous nodules. (Paleosol C horizon). |
|
961.40 |
980.73 |
19.33 |
Mudstone, calcareous nodules,
medium gray-green; silty; common to abundant, fine to coarse, faint to
distinct, calcareous nodules; common pedogenic slickensides; weakly bedded;
clear lower contact on loss of calcareous nodules. (Paleosol B horizon). |
|
980.73 |
990.70 |
9.97 |
Mudstone, medium gray-green;
noncalcareous; occasional dark gray to black, thin, sub-horizontal to
sub-vertical streaks (roots?); fairly well bedded at base (shale); clear
lower contact at sandstone streaks. |
|
990.70 |
1001.87 |
11.17 |
Sandstone and shale interbedded,
Sandstone: medium gray; very fine grained; beds up to 0.5' thick, mostly
thinner, some just streaks. Shale: medium gray streaks and beds up to 0.5'
thick; angular, sharp lower contact. |
|
1001.87 |
1004.55 |
2.68 |
Mudstone, calcareous nodules,
medium gray; common, coarse, distinct calcareous nodules; silty in base;
abundant pedogenic slickensides; clear lower contact on color and texture
change. (Paleosol B horizon). |
|
1004.55 |
1006.50 |
1.95 |
Mudstone, light to medium
gray-green; common, fine to coarse, faint to distinct, olive and red mottles;
some thin, black streaks (roots?) in top 0.5'; few pedogenic slickensides;
clear lower contact. (Paleosol AB horizon). |
|
1006.50 |
1007.15 |
0.65 |
Mudstone, dark gray with light
gray-green streaks and light gray-green clasts; sharp lower contact.
(Paleosol A horizon). |
|
1007.15 |
1007.15 |
|
Coal, Not
Present, Bakerstown Coal Horizon.
Elv.: (-)174 |
|
1007.15 |
1012.43 |
5.28 |
Claystone, light gray-green;
abundant pedogenic slickensides; few, fine to medium, faint to distinct,
olive and red mottles from 1011' to base; very soft clayey zones at 1011' and
1012'; sharp lower contact on color change. (Paleosol B horizon). |
|
1012.43 |
1016.20 |
3.77 |
Mudstone, mottled, equal areas
of fine to coarse, distinct to prominent, red, light gray-green, and olive
mottles and streaks; few, coarse, prominent, calcareous, nodules and streaks;
abundant pedogenic slickensides; clear lower contact. (Paleosol B horizon). |
|
1016.20 |
1017.50 |
1.30 |
Mudstone, sandy, light
gray-green; few, medium to coarse, distinct, medium gray-green mottles; few,
fine, distinct red mottles in top 0.3'; few pedogenic slickensides; clear
lower contact. (Paleosol B, BC horizon). |
|
1017.50 |
1021.60 |
4.10 |
Sandstone, light gray-green;
very fine grained; massive; thin shale parting with calcareous nodules at
1019'; clear lower contact at occurrence of shale streaks. |
|
1021.60 |
1032.28 |
10.68 |
Sandstone, shales streaks, light
gray-green, very fine grained, sandstone beds and streaks with
interlaminated, medium gray-green shale streaks and thin beds; few, coarse,
distinct, calcareous nodules, from 1028.2' to 1030'; sandstone and shale
somewhat rhythmically bedded; sharp lower contact. |
|
1032.28 |
1034.41 |
2.13 |
Sandstone, light gray-green;
very fine grained; few, fine, distinct, calcareous nodules near top; clear
lower contact. |
|
|
Cambridge Marine Zone Elv.=
-202 |
|
1034.41 |
1034.82 |
0.41 |
Limestone, fossiliferous,
nodular, sandy, light gray limestone in light gray-green matrix; some
discernible crinoid columns and bivalves; sharp lower contact. |
|
1034.82 |
1041.70 |
6.88 |
Shale, sandstone streaks, light
gray-green; very fine grained; thin beds and streaks with medium gray-green
shale streaks; rather rhythmically bedded; calcareous nodules at base; sharp
lower contact. |
|
1041.70 |
1042.57 |
0.87 |
Shale, medium gray-green; sharp
lower contact. |
|
1042.57 |
1044.64 |
2.07 |
Sandstone, shale streaks, light
gray-green; very fine grained; thin beds and streaks with medium gray-green
shale streaks; sharp lower contact. |
|
1044.64 |
1051.37 |
6.73 |
Shale, medium to dark gray; few,
very thin, light gray, sandstone streaks; sharp lower contact. |
|
1051.37 |
1056.46 |
5.09 |
Shale, silty, dark gray; silty;
few, coarse, distinct, pyrite streaks; clear lower contact with occurrence of
sandstone streaks and beds. |
|
1056.46 |
1069.74 |
13.28 |
Shale, sandstone streaks, dark
gray with common, medium to light gray, very fine grained sandstone streaks
and beds up to 0.3' thick; clear lower contact at loss of sandstone streaks. |
|
|
Brush Creek Marine Zone, 1069.74
- 1088.70 (18.96'), Elv.= -236.74' |
|
1069.74 |
1079.47 |
9.73 |
Shale, fossiliferous, dark gray
to black; few, scattered bivalves, gastropods, and other small forms; few
pyrite streaks, lenses and finely disseminated grains; sharp lower contact. |
|
1079.47 |
1080.44 |
0.97 |
Shale, fossiliferous, abundant
bivalves and other fossil hash in a dark gray matrix; only slightly
calcareous; sharp lower contact. |
|
1080.44 |
1088.70 |
8.26 |
Shale, fossiliferous, medium
gray; sparse, very small bivalves and gastropods; lowest fossil seen at
1083.6'; very finely laminated with very thin sandstone seen only with hand
lens; few, coarse, distinct, siderite nodules throughout; clear lower contact
with upward sand decrease. (Part of fining upward sequence). Brush Creek Marine Zone Elv.: (-)256 |
|
1088.70 |
1094.29 |
5.59 |
Sandstone, light to medium gray;
very fine grained; ripple bedded; clear lower contact. |
|
1094.29 |
1095.43 |
1.14 |
Shale, medium gray; sharp lower
contact. |
|
1095.43 |
1096.52 |
1.09 |
Shale, black; few siderite bands
in top; sharp lower contact. (Sampled bottom 0.02' with coal). |
|
|
Brush Creek coal bed, 1096.50 -
1097.94 (1.44', parting= 0.11'), Elv.= -265' |
|
1096.52 |
1096.55 |
0.03 |
Coal, thin streak. (Sampled).
Brush Creek Coal Elv.: (-)265 |
|
1096.55 |
1096.62 |
0.07 |
Shale, black. (sampled). |
|
1096.62 |
1097.15 |
0.53 |
Coal, thick vitrain; moderately
bright overall; few pyrite streaks. (Sampled). |
|
1097.15 |
1097.92 |
0.77 |
Shale, coal streaks, black with
few coal streaks. (Sampled). |
|
1097.92 |
1099.15 |
1.23 |
Mudstone, medium gray;
carbonaceous material, roots throughout; diffuse lower contact. (Sampled top
0.02' with coal). (Paleosol horizon). |
|
1099.15 |
1103.84 |
4.69 |
Mudstone,
silty, medium gray; silty; sandy; weakly bedded; diffuse lower contact.
(Paleosol horizon). |
|
1103.84 |
1104.75 |
0.91 |
Mudstone, medium gray; weakly
bedded; sharp lower contact. (Paleosol horizon). |
|
1104.75 |
1107.60 |
2.85 |
Claystone, medium gray-brown;
common, dark gray to black streaks (root traces); very fine, rounded, dark
pisolites in top 0.8'; few pedogenic slickensides; clear lower contact.
(Paleosol B, BC horizon). |
|
1107.60 |
1109.40 |
1.80 |
Shale, medium gray-brown;
abundant bands of fine, round pisolites; clear lower contact at lowest
pisolite band. |
|
1109.40 |
1112.06 |
2.66 |
Shale, sandstone streaks, medium
gray; thin, very fine grained, sandstone streaks; clear lower contact. |
|
1112.06 |
1112.85 |
0.79 |
Shale, medium gray; sharp lower
contact. |
|
1112.85 |
1112.90 |
0.05 |
Shale, black; thin surface
horizon; sharp lower contact. |
|
1112.90 |
1118.98 |
6.08 |
Shale,
sandstone streaks, medium gray; poorly bedded in top 0.5'; light gray, very
fine grained, sandstone streaks (<0.1' thick); few bands of pisolites;
sharp lower contact. |
|
1118.98 |
1119.65 |
0.67 |
Claystone, medium gray;
kaolinitic with black zones and streaks, root traces. (Paleosol A horizon). |
|
1119.65 |
1123.15 |
3.50 |
Mudstone, sandy, light to medium
gray; very fine sand; common, black, sub-vertical root traces to 1123.31';
common pedogenic slickensides to 1121.6'; diffuse lower contact on color
change. (Paleosol B horizon). |
|
1123.15 |
1128.30 |
5.15 |
Mudstone, sandy, light
gray-green; small, round pisolites throughout; sandy and silty; very weakly
bedded; becoming finer grained, silty only, to 1128.3'; gradual lower contact
to claystone. (Paleosol B horizon). |
|
1128.30 |
1130.25 |
1.95 |
Claystone, medium gray-green;
sharp lower contact. (Paleosol B horizon). |
|
1130.25 |
1133.50 |
3.25 |
Flint clay, brecciated, light to
medium gray-green matrix with abundant, closely packed, fine to coarse, light
gray-green, light gray-brown, and medium gray rounded to angular clasts;
sharp lower contact. (Paleosol horizon?). |
|
1133.50 |
1136.35 |
2.85 |
Claystone, light gray-green;
few, very thin, calcareous streaks, after roots?; few pedogenic slickensides;
clear lower contact on color change. (Paleosol horizon). |
|
1136.35 |
1141.09 |
4.74 |
Claystone, light gray-green;
abundant, fine to coarse, black streaks in top 1.0'; coarse, distinct, red
mottles from 1138.8' to 1139.15'; common pedogenic slickensides; sharp lower
contact. (Paleosol A.B. horizons). |
|
1141.09 |
1141.67 |
0.58 |
Flint clay, nodular, Or nodular
claystone. Medium gray-green with light gray-green nodules; sharp lower
contact. (Paleosol horizon?). |
|
1141.67 |
1142.20 |
0.53 |
Claystone, medium gray-green;
very fine calcareous streaks; sharp lower contact. (Paleosol horizon). |
|
1142.20 |
1143.35 |
1.15 |
Claystone, medium gray-green;
light gray-green calcareous nodules and network of red-brown siderite; sharp
lower contact. (Paleosol horizon?). |
|
1143.35 |
1144.42 |
1.07 |
Flint clay, brecciated, Or
brecciated claystone. Light gray-green clasts in medium gray-green matrix;
sharp lower contact. (Paleosol horizon?). |
|
1144.42 |
1148.70 |
4.28 |
Claystone, medium gray-green;
weakly bedded; common, fine, slightly calcareous to sideritic streaks; clear
lower contact on color change. (Paleosol horizon). |
|
1148.70 |
1149.63 |
0.93 |
Claystone, light gray, medium
gray at top; few, crenulated, vertical root traces; clear lower contact on
color change. (Paleosol A horizon). |
|
1149.63 |
1152.30 |
2.67 |
Claystone, medium gray-green;
abundant, crenulated, sub-vertical calcareous streaks (after roots?); diffuse
lower contact on bedding development. (Paleosol B horizon). |
|
1152.30 |
1153.59 |
1.29 |
Shale, medium gray-green; sharp
lower contact. |
|
1153.59 |
1158.80 |
5.21 |
Sandstone, light gray-green;
ripple bedded from top to 1156.50'; cross bedded to ripple cross laminated
from 1156.5' to 1158'; planar bedded from 1158' to base; sharp lower contact. |
|
1158.80 |
1161.85 |
3.05 |
Shale, calcareous nodules,
medium gray-green; few, fine to coarse, distinct, calcareous nodules; clear
lower contact. |
|
1161.85 |
1169.25 |
7.40 |
Sandstone, shale streaks, light
gray-green; very fine grained; micaceous; mostly planar bedded with some
ripple and cross bedded zones; few, thin, medium gray-green shale streaks
(<0.1' thick); clear lower contact at occurrence of shale streaks. |
|
1169.25 |
1179.53 |
10.28 |
Sandstone, cross-bedded, light
gray; fine to medium grained at base, fining upward to very fine grained;
micaceous; some ripple cross laminated and ripple bedded; few small shale
clasts in basal 1.0'; sharp lower contact. |
|
1179.53 |
1182.17 |
2.64 |
Sandstone, silty, very fine
grained; ripple to ripple cross laminated; shaley streaks in basal 1.0';
clear lower contact. |
|
1182.17 |
1183.87 |
1.70 |
Shale, medium gray-green; large,
faint, siderite nodule near top; sharp lower contact. |
|
1183.87 |
1183.95 |
0.08 |
Claystone, dark gray-black; few,
very fine, light gray-green clasts. (Paleosol A horizon). |
|
|
Contact: Conemaugh Group. and
Allegheny Formation., Elv.= -351' |
|
1183.95 |
1183.95 |
0.00 |
Coal, Not Present, Upper
Freeport Coal Horizon. Elv.: (-)351' |
|
1183.95 |
1184.20 |
0.25 |
Claystone, light to medium
gray-green; clear lower contact. (Paleosol B horizon). |
|
1184.20 |
1188.78 |
4.58 |
Shale, medium gray-green; few,
coarse, distinct, slightly calcareous nodules; sharp lower contact. |
|
1188.78 |
1189.00 |
0.22 |
Limestone, light gray; hard;
dense; some spar streaks; sharp lower contact. |
|
1189.00 |
1189.52 |
0.52 |
Shale, medium gray-green; sharp
lower contact. |
|
1189.52 |
1190.03 |
0.51 |
Limestone, light gray; hard;
dense; sharp lower contact. |
|
1190.03 |
1191.48 |
1.45 |
Claystone, calcareous nodules,
light gray to light gray-green; few olive, medium gray green, very slightly
calcareous nodules, only react after scratching; sharp lower contact. |
|
1191.48 |
1191.69 |
0.21 |
Claystone, dark gray to black;
sharp lower contact. (Paleosol A
horizon). |
|
1191.69 |
1192.85 |
1.16 |
Claystone, calcareous, light
gray; slightly calcareous, only after scratching surface; nodular, especially
fine nodules in base; sharp lower contact. |
|
1192.85 |
1192.90 |
0.05 |
Claystone, dark gray to black;
sharp lower contact. (Paleosol A horizon). |
|
1192.90 |
1193.37 |
0.47 |
Claystone, medium gray to medium
gray-green; gradual lower contact on texture change. (Paleosol horizon). |
|
1193.37 |
1195.30 |
1.93 |
Mudstone, sandy, medium
gray-green; weakly bedded; clear lower contact on texture and bedding change.
(Paleosol horizon). |
|
1195.30 |
1201.03 |
5.73 |
Shale, medium gray-green; clear
lower contact on occurrence of calcareous nodules and bedding. Paleosol C
horizon). |
|
1201.03 |
1203.55 |
2.52 |
Mudstone, calcareous nodules,
medium gray-green; common, fine, distinct, calcareous nodules; clear lower
contact on texture change. (Paleosol horizon). |
|
1203.55 |
1205.93 |
2.38 |
Sandstone, silty, light
gray-green; very fine grained; few, fine, distinct, calcareous streaks; sharp
lower contact. |
|
1205.93 |
1207.35 |
1.42 |
Claystone, medium gray-green in
top 0.3', light gray-green to base; pedogenic slickensides near base; sharp
lower contact on color change. (Paleosol horizon). |
|
1207.35 |
1207.83 |
0.48 |
Claystone, medium gray with dark
gray to black; abundant pedogenic slickensides; sharp lower contact.
(Paleosol A horizon). |
|
1207.83 |
1212.08 |
4.25 |
Claystone, light gray-green;
abundant, fine to coarse, distinct, slightly calcareous to sideritic streaks
and irregular masses; sandy in base;
gradual lower contact into sandstone below. (Paleosol B horizon). |
|
1212.08 |
1256.85 |
44.77 |
Sandstone, cross-bedded, light
gray; micaceous; mostly cross bedded with some ripple bedded zones; medium to
coarse grained at base, fining upwards to fine grained; few, thin, medium
gray-green shale beds, <0.2' thick to 1218.4'; few, dark gray, shale
streaks and clasts from 1255.25' to 1255.5'; flat, sharp lower contact. |
|
|
Lower Freeport coal bed, 1256.85
- 1259.43 (2.58'), Elv.= -424 |
|
1256.85 |
1256.93 |
0.08 |
Shale, black. (Not sampled). |
|
1256.93 |
1259.32 |
2.39 |
Coal, pyritic, bright clarain;
overall bright appearance; abundant pyrite streaks; bottom 0.07' probably
carbonaceous shale (not broken for description); sharp lower contact.
(Sampled). |
|
1259.32 |
1264.35 |
5.03 |
Claystone, medium gray; black
root traces throughout; abundant pedogenic slickensides throughout; finely
dispersed pyrite; gradual lower contact at occurrence of calcareous nodules.
(Paleosol horizon). (Sampled top 0.11' with coal). |
|
1264.35 |
1270.24 |
5.89 |
Claystone, calcareous nodules,
medium gray; black root traces throughout; common, fine, faint to distinct;
slightly calcareous to calcareous nodules; fine pyrite; clear lower contact.
(Paleosol horizon). |
|
1270.24 |
1271.08 |
0.84 |
Sandstone, bioturbated, light
gray; fine grained; root bioturbation, especially in top 0.3'; sharp lower
contact. (Paleosol C horizon). |
|
1271.08 |
1271.14 |
0.06 |
Shale, black; sharp lower
contact. |
|
1271.14 |
1271.70 |
0.56 |
Sandstone, light gray; fine
grained; shale streak near top; sharp lower contact. |
|
1271.70 |
1272.08 |
0.38 |
Shale, medium gray; sharp lower
contact. |
|
1272.08 |
1294.43 |
22.35 |
Sandstone, cross-bedded, light
gray; medium grained, fining upward to fine grained; micaceous; few shale
streaks from 1285.6' to 1285.9'; rolling, sharp lower contact. |
|
1294.43 |
1294.48 |
0.05 |
Shale, black; sharp lower
contact. (Paleosol A horizon). |
|
1294.48 |
1294.48 |
|
Coal, NOT PRESENT, black; coal
horizon. |
|
1294.48 |
1299.02 |
4.54 |
Mudstone, silty, medium gray in
top 0.25', light to medium gray below; common to abundant, fine to coarse,
distinct to prominent, black root traces; relict bedding and thin sandstone
streaks from 1296.7' to base; few, medium gray-brown shale streaks 1297.75'
to base; sharp lower contact. (Paleosol B, BC horizon). |
|
1299.02 |
1300.63 |
1.61 |
Sandstone, bioturbated, light
gray; bedding destroyed by rooting. (Paleosol C horizon). |
|
1300.63 |
1303.56 |
2.93 |
Sandstone, shale streaks,
interlaminated light gray, very fine grained sandstone with thin, medium gray
shale streaks and very thin beds (<0.02' thick); clear lower contact on
color change. |
|
1303.56 |
1306.53 |
2.97 |
Shale, sandstone streaks, dark
gray; few, thin, very fine grained sandstone streaks; few, thin pyrite
streaks; gradual lower contact on occurrence of sandstone streaks. |
|
1306.53 |
1316.61 |
10.08 |
Shale, medium to dark gray; very
uniform; few, coarse, faint, siderite nodules and bands; sharp lower contact
with coal. (Sampled bottom 0.31' with coal). |
|
|
Upper Kittanning coal bed,
1316.30 - 1317.40 (1.10'), Elv.= -483 |
|
1316.61 |
1317.14 |
0.53 |
Coal, bright clarain; thin
vitrain; few pyrite streaks; sharp lower contact. (Sampled). |
|
1317.14 |
1319.00 |
1.86 |
Claystone, medium gray in top
0.5', medium gray-green to base; black root traces in top; clear lower
contact on color and texture change. (Paleosol horizon). (Not sampled - maybe
top 0.26' sampled?). |
|
1319.00 |
1323.26 |
4.26 |
Mudstone, sandy, light gray;
black streak at top; few black root traces throughout; becoming medium gray
to base; diffuse lower contact on occurrence of root traces. (Paleosol B
horizon). |
|
1323.26 |
1328.88 |
5.62 |
Sandstone, medium gray; very
fine grained; silty; few light gray streaks in base; sharp lower contact. |
|
1328.88 |
1331.87 |
2.99 |
Sandstone and shale,
interbedded, Sandstone: light gray; fine grained; cross bedded. Shale: medium
gray. Rolling, sharp lower contact. |
|
1331.87 |
1346.73 |
14.86 |
Sandstone, cross-bedded, coarse
grained at base, fining upward to medium grained; few quartz pebbles and
shale clasts to 1340' and few quartz pebbles in base; few stylolites; clear
lower contact with conglomerate. |
|
1346.73 |
1349.82 |
3.09 |
Sandstone, conglomerate, light
gray; very coarse grained; abundant quartz pebbles and light to medium gray
shale clasts; sharp lower contact. |
|
1349.82 |
1354.45 |
4.63 |
Sandstone, light gray; coarse
grained at base, fining upward to medium grained; mostly cross bedded; few
quartz pebbles near base; few, fine to medium, medium gray shale clasts;
erosive, sharp lower contact. |
|
1354.45 |
1357.35 |
2.90 |
Sandstone, light gray; fine
grained; ripple bedded to ripple cross laminated; sharp lower contact. |
|
1357.35 |
1359.06 |
1.71 |
Shale,
silty, medium gray; large compactional slickensides at top and bottom;
angular, sharp lower contact to deepest end of slickensided fracture. |
|
|
Middle Kittanning coal bed,
1359.06 - 1362.88 (3.82'), Elv.= -526.06' |
|
1359.06 |
1359.24 |
0.18 |
Shale, carbonaceous, black; few
very thin coal streaks, pyrite streaks; sharp lower contact. (Sampled whole
unit with coal). |
|
1359.24 |
1359.68 |
0.44 |
Coal, pyritic, banded; overall
moderately bright appearance; common pyrite streaks, especially at top.
(Sampled). |
|
1359.68 |
1359.71 |
0.03 |
Coal, fusain band. (Sampled). |
|
1359.71 |
1360.11 |
0.40 |
Coal, overall moderately bright
appearance; few pyrite streaks. (Sampled). |
|
1360.11 |
1360.14 |
0.03 |
Shale, carbonaceous, dull band.
(Sampled). |
|
1360.14 |
1361.48 |
1.34 |
Coal, moderately bright; few
thin fusain bands. (Sampled). |
|
1361.48 |
1362.40 |
0.92 |
Shale, medium to dark gray; few
coal streaks in top 0.2' and bottom 0.1'; sharp lower contact. (Sampled). |
|
1362.40 |
1362.67 |
0.27 |
Coal, impure?, moderately
bright; sharp lower contact. (Sampled). |
|
1362.67 |
1363.60 |
0.93 |
Shale, medium gray; light gray
sandstone streaks in bottom 0.3'; sharp lower contact. (Top 0.21' sampled
with coal). |
|
1363.60 |
1366.56 |
2.96 |
Shale, bioturbated, light gray;
medium grained; heavily rooted;
abundant black streaks; sharp lower contact. |
|
1366.56 |
1369.20 |
2.64 |
Sandstone, shale streaks, light
gray; very fine grained; ripple bedded; thin interlaminations with medium
gray shale streaks; coal streak at 1367.2'; gradual lower contact. |
|
1369.20 |
1376.03 |
6.83 |
Shale, dark gray; very uniform;
sharp lower contact. |
|
1376.03 |
1376.81 |
0.78 |
Shale, black; sharp lower
contact. (Sampled bottom 0.1' with coal.) |
|
|
Lower Kittanning coal bed,
(1376.71 - 1379.64 (2.93'), Elv.= -544' |
|
1376.81 |
1377.17 |
0.36 |
Shale, coal streaks, black; coal
streaks, especially in top 0.2'; sharp lower contact. (Sampled). |
|
1377.17 |
1379.61 |
2.44 |
Coal, bright; some very thin
pyrite streaks. (Sampled). |
|
1379.61 |
1382.35 |
2.74 |
Claystone, dark gray; weakly
bedded; few slickensides; sharp lower contact. (Sampled top 0.03' with coal). |
|
1382.35 |
1385.77 |
3.42 |
Sandstone, light gray to white;
very fine grained; moderately clean with only minor fine mica; no sedimentary
structure; massive; clear lower contact. |
|
1385.77 |
1387.57 |
1.80 |
Sandstone, shale streaks, light
gray to white; very fine grained; fairly clean sandstone streaks with medium
gray shale streaks; clear lower contact. |
|
1387.57 |
1391.01 |
3.44 |
Shale, medium gray; few black
root traces; sharp lower contact. |
|
1391.01 |
1391.65 |
0.64 |
Claystone, medium gray and black
streaks; weakly bedded. (Paleosol A horizon). |
|
1391.65 |
1392.33 |
0.68 |
Claystone, light gray with a
few, thin, black root streaks; sharp lower contact on texture change.
(Paleosol B horizon). |
|
1392.33 |
1393.79 |
1.46 |
Sandstone, light gray; very fine
grained; few black root streaks; sharp lower contact on texture change.
(Paleosol B horizon). |
|
1393.79 |
1395.30 |
1.51 |
Claystone, light gray; few black
root streaks; weakly bedded; gradual lower contact. (Paleosol BC horizon). |
|
1395.30 |
1397.25 |
1.95 |
Shale, medium gray; siderite(?)
pisolite layer from 1396.7' to base; sharp lower contact. (Paleosol C
horizon). |
|
1397.25 |
1398.50 |
1.25 |
Shale, sandy, light gray; sharp
lower contact. |
|
1398.50 |
1409.11 |
10.61 |
Shale, medium gray; siderite(?)
pisolite layers, silty, up to 0.3' thick, common throughout unit. |
|
1409.11 |
1409.57 |
0.46 |
Shale, medium gray with black
streaks. (Sampled bottom 0.15' with
coal). |
|
1409.57 |
1409.90 |
0.33 |
Shale, carbonaceous, black;
coaly, to impure coal. (Sampled). |
|
|
Clarion coal bed, (1409.42 -
1411.56 (2.14'), Elv.= -576' |
|
1409.90 |
1410.18 |
0.28 |
Coal, bright. (Sampled). |
|
1410.18 |
1410.43 |
0.25 |
Shale, carbonaceous, black.
(Sampled). |
|
1410.43 |
1410.48 |
0.05 |
Coal, impure, thin band.
(Sampled). |
|
1410.48 |
1410.78 |
0.30 |
Shale, carbonaceous, black.
(Sampled). |
|
1410.78 |
1411.36 |
0.58 |
Coal, bright with few pyrite
streaks. (Sampled). |
|
1411.36 |
1412.10 |
0.74 |
Claystone, medium gray; coal
streak 0.2' from top; clear lower contact on color change. (Paleosol B
horizon). (Sampled top 0.2' with coal). |
|
1412.10 |
1423.82 |
11.72 |
Claystone, light gray; weakly
bedded; occasional dark gray to black streaks; soft zone from 1418.05' to
1418.35'; root impressions on bedding planes; becoming bedded (shale) in
basal 1.0'; sharp lower contact. (Paleosol B, BC horizon). |
|
1423.82 |
1432.90 |
9.08 |
Shale, sandy, light gray; silty;
root impressions on bedding; sharp lower contact. |
|
1432.90 |
1439.25 |
6.35 |
Sandstone, light gray; fine
grained; cross bedded; minor mica; some rock grains; quartz; minor shale bed
near top; sharp lower contact. |
|
1439.25 |
1439.80 |
0.55 |
Shale, medium gray; silty; sharp
lower contact. |
|
|
Allegheny Formation. and
Pottsville Group. contact, Elv.= -606.80'. |
|
|
Homewood sandstone, 1439.80 -
1472.47 (32.67'), Elv.= -606.80'. |
|
1439.80 |
1451.12 |
11.32 |
Sandstone, cross-bedded, light
gray; micaceous; medium grained; some ripple cross laminated zones; sharp
lower contact on grain size change. |
|
1451.12 |
1458.09 |
6.97 |
Sandstone, cross-bedded, light
gray; fine grained, fining up to very fine grained at top; micaceous; sharp
lower contact at grain size and bedding change. |
|
1458.09 |
1460.27 |
2.18 |
Sandstone, light gray;
micaceous; interbedded medium and fine grained; slumped, distorted bedding;
sharp lower contact. |
|
1460.27 |
1470.02 |
9.75 |
Sandstone, cross-bedded, light
gray; medium grained; micaceous; few coal streaks from 1468.2' to base; clear
lower contact at occurrence of abundant coal streaks. |
|
1470.02 |
1472.47 |
2.45 |
Sandstone, coal streaks, light
gray; micaceous; medium grained; abundant coal streaks and clasts, especially
in top 0.7' and basal 1.0'; sharp lower contact. (Sampled bottom 0.15' with
coal.) |
|
|
Upper Tionesta coal bed, 1472.32
- 1473.01 (0.69'), Elv.= -639' |
|
1472.47 |
1472.94 |
0.47 |
Coal, bright; few pyrite
streaks; gas bubbles; impure in bottom 0.03'; sharp lower contact. (Sampled). |
|
1472.94 |
1474.87 |
1.93 |
Claystone, medium to dark gray;
weakly bedded; few slickensides; sharp lower contact. (Paleosol horizon).
(Sampled top 0.07' with coal). |
|
1474.87 |
1478.58 |
3.71 |
Shale, medium gray; sharp lower
contact. |
|
|
Lower Tionesta coal bed, 1478.58
- 1479.11 (0.53'), Elv.= -646' |
|
1478.58 |
1478.76 |
0.18 |
Shale, black; sharp lower
contact. (Sampled entire unit with coal). |
|
1478.76 |
1478.93 |
0.17 |
Coal, bright. (Sampled). |
|
1478.93 |
1483.40 |
4.47 |
Shale, medium gray; plant trash
on bedding; sharp lower contact. (Sampled top 0.18' with coal). |
|
1483.40 |
1483.90 |
0.50 |
Claystone, black; carbonaceous
streaks; sharp lower contact. (Paleosol A horizon). |
|
|
Upper Mercer Coal horizon, Elv.=
-651 |
|
1483.90 |
1483.90 |
0.00 |
Coal, Not Present |
|
1483.90 |
1492.00 |
8.10 |
Claystone, light to medium gray;
common, black root streaks to 1487'; common root impressions on bedding
throughout; few, weakly reactive siderite nodules from 1487.7' to 1488.6';
diffuse lower contact at occurrence of shale bedding. (Paleosol B horizon). |
|
1492.00 |
1496.42 |
4.42 |
Shale, medium gray; very uniform
bedding; clear lower contact at occurrence of sandstone streaks. (Paleosol C
horizon). |
|
1496.42 |
1498.82 |
2.40 |
Shale, silty, medium gray(?);
few, very thin, light gray sandstone streaks, especially at top and base;
sharp lower contact. |
|
1498.82 |
1501.92 |
3.10 |
Sandstone, shale streaks, light
gray; very fine grained; ripple bedded and cross bedded; medium gray shale
streaks to thin beds up to 0.1' thick; sharp lower contact. |
|
1501.92 |
1503.10 |
1.18 |
Shale, sandstone streaks, medium
gray; sandy; few, thin, light gray sandy streaks, especially in basal 0.5';
sharp lower contact. |
|
1503.10 |
1505.63 |
2.53 |
Sandstone, coal clasts, light
gray; very fine grained; micaceous; disrupted, slumped bedding; few coal
clasts and streaks up to 0.02' thick; sharp lower contact. |
|
|
Upper Connoquenessing sandstone,
1505.63 - 1553.75' (48.12'), Elv.= -672.63‘. |
|
1505.63 |
1533.25 |
27.62 |
Sandstone, cross-bedded, light
gray; medium grained; some mica; some stylolites; few rock grains; few
'cleaner zones; coal clasts from 1517.65' to 1518'; angular, sharp lower
contact. |
|
1533.25 |
1553.75 |
20.50 |
Sandstone, quartz, light gray;
fine-medium grained; 90-95% quartz with some dark minerals; no mica; common
stylolites; thin, wafer-like beds about 0.04' thick from 1534.4 to 1535.2', 1540.35' to 1540.65', and basal 0.6'; few coaly streaks from 1537'
to 1538.3'; coaly streaks and clasts from 1540.75' to 1543.2', 1546.4' to
1547.75', and in basal 2.6'; medium shale pebbles from 1539' to 1539.2';
coarse grained from 1543.25' to 1545.9'; sharp lower contact. |
|
1553.75 |
1553.92 |
0.17 |
Claystone, dark gray; sharp
lower contact. (Paleosol A horizon). |
|
1553.92 |
1554.52 |
0.60 |
Claystone, kaolinitic, light
gray-brown; weakly bedded; becoming silty to base; gradual lower contact on
texture change. (Paleosol B horizon). |
|
1554.52 |
1556.07 |
1.55 |
Claystone, light gray-brown;
weakly bedded; becoming medium gray to base; gradual lower contact on color
and bedding change. (Paleosol B, BC horizon). |
|
1556.07 |
1559.27 |
3.20 |
Shale, medium to dark gray;
common, coarse, faint, siderite nodules; sharp lower contact. (Paleosol C
horizon). |
|
1559.27 |
1560.31 |
1.04 |
Sandstone, bioturbated, medium
gray; very fine grained; possibly burrowed; sharp lower contact. |
|
1560.31 |
1563.99 |
3.68 |
Shale, medium gray; sharp lower
contact. (Sampled bottom 0.07' with
coal). |
|
|
Quakertown coal Bed, 1563.92 -
1566.44 (2.52'), Elv.= -731' |
|
1563.99 |
1564.08 |
0.09 |
Coal, impure, pyrite streaks.
(Sampled). |
|
1564.08 |
1564.11 |
0.03 |
Shale, medium gray; thickness
varies; sharp lower contact. (Sampled). |
|
1564.11 |
1564.43 |
0.32 |
Coal, bright; few, very thin
pyrite streaks near top. (Sampled). |
|
1564.43 |
1564.77 |
0.34 |
Shale, medium gray; sharp lower
contact. (Sampled). |
|
1564.77 |
1564.83 |
0.06 |
Shale, coal streaks, dark gray
with thin coal streaks; sharp lower contact. (Sampled). |
|
1564.83 |
1565.27 |
0.44 |
Shale, dark gray; angular coal
streak at 1465.2'; sharp lower contact on color change. (Sampled). |
|
1565.27 |
1565.41 |
0.14 |
Shale, carbonaceous, black;
clear lower contact to coal. (Sampled). |
|
1565.41 |
1566.15 |
0.74 |
Coal. moderately bright clarain;
some thin vitrain; very few, thin pyrite streaks. (Sampled). |
|
1566.15 |
1566.23 |
0.08 |
Shale, medium gray; sharp lower
contact. (Sampled). |
|
1566.23 |
1566.34 |
0.11 |
Coal, moderately bright; very
few, very thin, pyrite streaks; sharp lower contact. (Sampled). |
|
1566.34 |
1570.52 |
4.18 |
Shale, medium to light gray;
few, black root traces in top 1.0'; sharp lower contact. (Sampled top 0.1'
with coal). |
|
1570.52 |
1572.32 |
1.80 |
Shale, sandy, light gray; silty;
micaceous; sharp lower contact. |
|
1572.32 |
1575.06 |
2.74 |
Sandstone, light gray; fine
grained; micaceous; ripple bedded; clear lower contact. |
|
1575.06 |
1578.60 |
3.54 |
Sandstone, medium gray; very
fine grained; micaceous; silty; massive; sharp lower contact. |
|
1578.60 |
1579.50 |
0.90 |
Shale, dark gray; calamites
stems; sharp lower contact. |
|
1579.50 |
1582.42 |
2.92 |
Sandstone, medium gray; very
fine grained; cross bedded in zones; diffuse lower contact from sandy shale. |
|
1582.42 |
1583.27 |
0.85 |
Shale, sandy, dark gray; sharp
lower contact. |
|
1583.27 |
1584.20 |
0.93 |
Sandstone, medium gray; fine
grained; slumped, distorted bedding; irregular lower contact. |
|
1584.20 |
1585.01 |
0.81 |
Shale, medium gray; sharp lower
contact. |
|
1585.01 |
1585.60 |
0.59 |
Sandstone, medium gray; fine
grained; ripple cross laminated; sharp lower contact. |
|
1585.60 |
1588.70 |
3.10 |
Shale, sandstone streaks, medium
gray; very thin, very fine grained sandstone streaks; sharp lower contact. |
|
1588.70 |
1589.70 |
1.00 |
Sandstone, cross-bedded, medium
gray; fine to very fine grained; some ripple cross lamination; sharp lower
contact. |
|
1589.70 |
1590.35 |
0.65 |
Shale, sandstone streaks, medium
gray; very thin, very fine grained sandstone streaks; sharp lower contact. |
|
1590.35 |
1590.97 |
0.62 |
Sandstone, light gray; very fine
grained; some ripple bedded; some slumping; sharp lower contact. |
|
1590.97 |
1600.30 |
9.33 |
Shale, medium gray; few, coarse,
faint, siderite nodules and bands to 1593.9'; few sandstone streaks in bottom
2.0'; sharp lower contact. |
|
1600.30 |
1610.70 |
10.4 |
Sandstone, cross-bedded, light
gray; fine grained; micaceous; few, medium gray shale clasts from 1600.8' to
1601.4'; coal clasts and streaks at 1603'and 1607.65'; sharp lower contact. |
|
1610.70 |
1617.38 |
6.68 |
Shale, light to medium gray;
poorly bedded; slightly silty; plant trash, stems, and pinnules; angular,
sharp lower contact. |
|
1617.38 |
1619.15 |
1.77 |
Shale, sandstone streaks, medium
gray; faint, light to medium gray, fine grained, cross bedded, sandstone
streaks; sharp lower contact. |
|
1619.15 |
1626.88 |
7.73 |
Shale, medium gray; occasional
sandy zones up to 0.8' thick; clear lower contact at occurrence of sand and
color change. |
|
1626.88 |
1652.22 |
25.34 |
Shale, fossiliferous, dark gray;
very fine; hard; uniform; abundant slickensides in top 2'; common pyrite
streaks and possibly pyritized fossils from 1631.8' to 1637.1'; orbiculoids
at 1631.55', 1642.68'; possible bivalves or brachiopods at 1632.88', 1636.51';
common, faint, siderite bands up to
0.05' thick from 1641.65' to base; few, very thin, light gray, very
fine grained, sandstone streaks from 1648.75' to base; sharp lower contact. |
|
1652.22 |
1657.96 |
5.74 |
Sandstone, light gray; fine
grained; cleaner than other units but not quartzose; minor mica; common,
medium gray shale streaks in zones; some cross bedded zones; sharp lower
contact. |
|
1657.96 |
1659.60 |
1.64 |
Sandstone, light gray; fine
grained; somewhat clean; abundant shale and coal streaks; disrupted bedding;
abundant, medium gray shale pebbles and clasts from 1659.1' to base'; sharp
lower contact. |
|
1659.60 |
1666.67 |
7.07 |
Sandstone, quartz, light gray;
cleaner to base; medium grained at base, fining upward to fine grained;
common stylolites; some cross bedded, some planar bedding; zones of breakage
into wafer-like beds about 0.04' thick; sharp lower contact. |
|
1666.67 |
1667.17 |
0.50 |
Shale, sandstone streaks, medium
gray; fine to medium gray sandstone streaks; sharp lower contact. |
|
1667.17 |
1672.30 |
5.13 |
Sandstone, quartz, light gray;
medium grained; cross bedded from top to 1669.9', planar bedded to base with
zone from 1670.2' to 1671.2' of breakage into thin wafer-like beds; sharp
lower contact. |
|
1672.30 |
1676.59 |
4.29 |
Sandstone and shale interbedded,
Sandstone: light gray; fine grained, highly slumped beds up to 1.25' thick;
Shale: medium gray; beds maximum 0.5' thick; sharp lower contact. (Sampled
bottom 0.02' with coal). |
|
|
Sharon coal bed, 1676.57 -
1678.06 (1.49') Elv.= -844' |
|
1676.59 |
1677.26 |
0.67 |
Coal, bright, with few pyrite
streaks. (Sampled). |
|
1677.26 |
1677.81 |
0.55 |
Shale, coal streaks, dark gray
with coal streaks, especially in top 0.12'; sharp lower contact. (Sampled top
0.25' with coal). |
|
1677.81 |
1680.08 |
2.27 |
Shale, sandstone streaks, medium
gray; abundant, light gray, very fine grained, ripple bedded and ripple cross
laminated sandstone streaks; sharp lower contact. |
|
1680.08 |
1680.49 |
0.41 |
Sandstone, light gray; fine
grained; ripple to planar bedded; sharp lower contact. |
|
1680.49 |
1681.00 |
0.51 |
Shale, sandstone streaks, medium
gray; abundant, very thin, light gray sandstone streaks; sharp lower contact. |
|
1681.00 |
1681.39 |
0.39 |
Sandstone, light gray; fine
grained; ripple bedded; sharp lower contact. |
|
1681.39 |
1682.33 |
0.94 |
Shale, sandstone streaks, medium
gray; common, light gray, thin sandstone streaks; sharp lower contact. |
|
1682.33 |
1682.66 |
0.33 |
Sandstone, light gray; fine
grained; ripple bedded; sharp lower contact. |
|
1682.66 |
1683.88 |
1.22 |
Shale, sandstone streaks, medium
gray; few, very thin, light gray sandstone streaks; sharp lower contact. |
|
1683.88 |
1691.70 |
7.82 |
Shale, medium gray; very
uniform; very rare plant stems; sharp lower contact. |
|
1691.70 |
1692.40 |
0.70 |
Shale, sandstone streaks, medium
gray; common, thin, light gray, very fine grained sandstone streaks; sharp
lower contact. |
|
1692.40 |
1705.20 |
12.80 |
Shale, medium gray; very
uniform; barren of plant fossils; clear lower contact. |
|
1705.20 |
1705.75 |
0.55 |
Shale, dark gray; very friable;
soft; clayey; broken by drilling; clear lower contact. (Paleosol A horizon?). |
|
1705.75 |
1705.98 |
0.23 |
Claystone, light to medium gray;
very soft, friable; clear lower contact on hardness. (Paleosol B horizon). |
|
1705.98 |
1707.60 |
1.62 |
Claystone, light to medium gray;
weakly bedded in top 0.5'; abundant pedogenic slickensides; sharp lower
contact on color and texture change. (Paleosol B horizon). |
|
1707.60 |
1710.75 |
3.15 |
Mudstone, medium gray; silty;
sandy; black streaks - root traces or scattered organic matter; diffuse lower
contact on loss of bedding, texture change. (Paleosol B horizon). |
|
1710.75 |
1712.60 |
1.85 |
Shale, light gray; poorly bedded
in top; angular, sharp lower contact.
(Paleosol BC, C horizon). |
|
1712.60 |
1723.19 |
10.59 |
Siltstone, ironstone nodules,
medium to dark gray; uniform; few, coarse, faint, siderite nodules; sandy;
occasional to common very badly degraded plant fragments; mica flakes; fines
downward; base gradational and arbitrary. |
|
1723.19 |
1724.29 |
1.10 |
Shale, fossiliferous, medium
gray; crushed Lingula or Orbiculoidea at 1724.32'; slightly sandy and silty;
fines downward; coalified stem fragments; base gradational and arbitrary. |
|
1724.29 |
1726.54 |
2.25 |
Shale, medium to dark gray;
becomes very dark gray to black near base; base sharp. |
|
1726.54 |
1726.75 |
0.21 |
Sandstone and shale interbedded,
Sandstone: light gray; clean; very fine grained; some soft sediment
deformation. Shale: black; interbeds
0.03' thick; base sharp. |
|
1726.75 |
1727.20 |
0.45 |
Sandstone, light to light-medium
gray; very fine grained; horizontal to inclined planar bedding; base sharp. |
|
1727.20 |
1728.39 |
1.19 |
Shale, slickensides, medium gray
with slight olive drab cast; moderately developed slickensides; occasional
root trace; base arbitrary on loss of slickensides. |
|
1728.39 |
1729.20 |
0.81 |
Shale, as above without
slickensides and root traces; base sharp on color change. |
|
1729.20 |
1730.50 |
1.30 |
Shale, sandy, very dark gray;
sandy; occasional, small, carbonized plant fragments; thin sandstone streaks
in basal 0.6'; base arbitrary on increased sandstone content. |
|
1730.50 |
1735.30 |
4.80 |
Sandstone and shale interbedded
to interlaminated, sandy gray shale and sandstone; base sharp. |
|
1735.30 |
1735.92 |
0.62 |
Sandstone, fine to medium
grained; nonbedded; low angle scour at 1735.6'; base sharp. |
|
1735.92 |
1735.95 |
0.03 |
Shale, dark gray. |
|
1735.95 |
1738.10 |
2.15 |
Sandstone, shale streaks, fine
to medium grained; common, thin, medium to dark gray shale stringers; soft
sediment deformation 1737.8' to 1738.1'; sandstone fairly clean; base
arbitrary. |
|
1738.10 |
1738.55 |
0.45 |
Sandstone and shale interbedded,
very light gray; medium grained; with about 40% dark gray, sandy shale
interbeds. |
|
1738.55 |
1739.20 |
0.65 |
Sandstone, shale streaks, very
fine to fine grained; abundant, dark gray shale stringers; carbonaceous
material on bedding; base sharp. |
|
1739.20 |
1739.60 |
0.40 |
Sandstone, quartz, white;
crystalline; very fine to fine grained, locally fine to medium grained; base
sharp. |
|
1739.60 |
1739.80 |
0.20 |
Sandstone and shale interbedded,
very fine to fine grained; interlaminated dark gray shale. |
|
1739.80 |
1740.40 |
0.60 |
Sandstone, shale clasts, very
fine to fine grained; fairly clean; abundant, small (0.02' to 0.05') shale
clasts and coal stringers; base sharp. |
|
1740.40 |
1740.95 |
0.55 |
Sandstone, quartz, in tabular
beds up to 0.05' thick, interlaminated with zones of interlaminated sandstone
and shale; base sharp. |
|
1740.95 |
1741.30 |
0.35 |
Shale, sandy, medium gray;
sandy; silty; base sharp at about 30 degrees; scour bottom. |
|
1741.30 |
1743.50 |
2.20 |
Sandstone and shale interbedded,
very fine to fine grained; thicker bands quartzose; interbedded to
interlaminated with dark gray, sandy shale; occasional, small siderite zones;
bedding planar to inclined to about 10 degrees; base sharp. |
|
1743.50 |
1746.40 |
2.90 |
Shale, medium gray; plant
fossils, Neuralethopteris sp. at 1743.3', 1745.0', and 1746.04' (sampled);
occasional, approximately 30 degree slickensided fractures; Cordaites leaves;
Sphenophyllum stem; base gradational and arbitrary on sand influx. (Sampled
1744.2'-1744.3'; 1744.95-1745.10'; 1745.2'-1745.34'). |
|
1746.40 |
1748.08 |
1.68 |
Siltstone, medium gray; top and
bottom gradational; locally sandy; approximately 30 degree slickensided
fractures (joints). |
|
1748.08 |
1748.42 |
0.34 |
Siltstone, sandy, Or very fine
grained sandstone; medium gray; graywacke; base gradational. |
|
1748.42 |
1749.57 |
1.15 |
Shale, sandy, medium gray;
sandy; locally may be very fine grained, muddy sandstone; base gradational. |
|
1749.57 |
1751.03 |
1.46 |
Siltstone, sandy, medium gray;
very sandy locally; locally soft sediment deformation; base gradational. |
|
1751.03 |
1751.30 |
0.27 |
Sandstone, medium gray; very
fine grained; graywacke; base gradational. |
|
1751.30 |
1754.04 |
2.74 |
Siltstone, sandy, medium gray;
locally very fine grained sandstone; occasional, thin sandstone streaks; base
arbitrary. |
|
1754.04 |
1759.30 |
5.26 |
Siltstone, sandy, locally
coarsens to very fine grained sandstone; sandstone streaks; approximately 30
degree slickensided fractures. |
|
1759.30 |
1759.45 |
0.15 |
Sandstone, very light gray; fine
to medium grained; fairly clean. |
|
1759.45 |
1760.80 |
1.35 |
Siltstone, medium gray; common
sandstone streaks; base gradational. |
|
1760.80 |
1761.05 |
0.25 |
Sandstone, light gray; very fine
grained; ripple bedded; base gradational. |
|
1761.05 |
1761.28 |
0.23 |
Siltstone, medium gray; top and
bottom gradational. |
|
1761.28 |
1762.04 |
0.76 |
Sandstone, light gray; very fine
grained; planar bedded; base arbitrary on loss of sand. |
|
1762.04 |
1767.05 |
5.01 |
Siltstone and sandstone
interbedded, medium gray; sandy, with common, very fine grained, sandstone
interlaminations; base arbitrary. |
|
1767.05 |
1767.20 |
0.15 |
Sandstone, light gray; ripple
bedded with dark siltstone streaks. |
|
1767.20 |
1767.72 |
0.52 |
Siltstone, medium gray;
discontinuous sandstone stringers; base arbitrary on loss of sandstone
stringers. |
|
1767.72 |
1782.85 |
15.13 |
Siltstone and sandstone
interbedded, medium gray; abundant, very fine grained, sandstone laminations;
inclined bedding in basal 1-2'; base about 15 degrees. |
|
|
Pennsylvanian - Mississippian
contact. |
|
1782.85 |
1784.75 |
1.90 |
Shale, slickensides, green-gray;
bedded; approximately 30 degree slickensided fractures; base arbitrary on
addition of irregular ironstone masses. |
|
1784.75 |
1786.35 |
1.60 |
Shale, ironstone nodules, as
above with irregular masses of brownish mineral (ankerite?); base arbitrary
on loss of ankerite(?). |
|
1786.35 |
1791.40 |
5.05 |
Shale, green-gray; common
slickensided fractures; base arbitrary on color. |
|
1791.40 |
1792.00 |
0.60 |
Shale, red, pale red-green;
color fades up- and downward. |
|
1792.00 |
1793.40 |
1.40 |
Shale, sandstone streaks,
green-gray; occasional sand streaks; slightly calcareous; occasional, small,
roundish, calcareous nodules (0.01'- 0.03'); base grades. |
|
1793.40 |
1795.15 |
1.75 |
Sandstone, calcareous, light
gray; very fine grained; slightly calcareous; contorted bedding; base sharp. |
|
1795.15 |
1795.65 |
0.50 |
Shale, medium gray; hard;
massive; base on color change. |
|
1795.65 |
1799.55 |
3.90 |
Siltstone, calcareous,
green-gray; calcareous; thin sandstone stringers; base on color. |
|
1799.55 |
1799.72 |
0.17 |
Shale, red; silty; contact on
color. |
|
1799.72 |
1800.55 |
0.83 |
Shale, calcareous, green-gray;
calcareous; base on color. |
|
1800.55 |
1801.60 |
1.05 |
Shale, red, green-gray with red
overprint; base gradational. |
|
1801.60 |
1802.63 |
1.03 |
Shale, calcareous, slightly
sandy; calcareous; base arbitrary. |
|
1802.63 |
1802.85 |
0.22 |
Shale, calcareous nodules, as
above; with about 50% nodular calcite masses. |
|
1802.85 |
1803.85 |
1.00 |
Shale, calcareous, green-gray;
slightly sandy; calcareous; base arbitrary. |
|
1803.85 |
1804.05 |
0.20 |
Shale, calcareous nodules,
green-gray; about 40% roundish calcareous nodules; base arbitrary. |
|
1804.05 |
1805.60 |
1.55 |
Shale, calcareous, green-gray;
slightly calcareous; base arbitrary. |
|
1805.60 |
1805.90 |
0.30 |
Shale, mottled green and red. |
|
1805.90 |
1806.20 |
0.30 |
Shale, red with green mottles. |
|
1806.20 |
1806.60 |
0.40 |
Shale, calcareous nodules,
green; calcareous streaks. |
|
1806.60 |
1807.30 |
0.70 |
Shale, calcareous nodules, green
with red mottles; very small calcareous masses (<<0.01'). |
|
1807.30 |
1808.23 |
0.93 |
Shale, red; green mottles and
streaks; calcareous. |
|
1808.23 |
1808.67 |
0.44 |
Shale, red; green mottles and
streaks; calcareous. |
|
1808.67 |
1810.53 |
1.86 |
Shale, red; green mottles and
streaks; calcareous. |
|
1810.53 |
1810.82 |
0.29 |
Shale, red, green, with
occasional red streaks; calcareous. |
|
1810.82 |
1810.89 |
0.07 |
Limestone, with thin (0.01'),
green shale streaks. |
|
1810.89 |
1811.45 |
0.56 |
Shale, red. |
|
1811.45 |
1811.60 |
0.15 |
Shale, green with thin sandstone
streaks. |
|
1811.60 |
1812.10 |
0.50 |
Shale, red, green at top,
grading to red in bottom half. |
|
1812.10 |
1812.95 |
0.85 |
Shale, mottled, green gray, with
local, very faint, red mottles; hard. |
|
1812.95 |
1813.60 |
0.65 |
Shale, dark gray-green; poorly
bedded; rounded white masses that do not fizz; base arbitrary. |
|
1813.60 |
1815.60 |
2.00 |
Shale, dark green-gray; base
sharp on color change. |
|
1815.60 |
1821.28 |
5.68 |
Shale, fossiliferous, dark
gray-green; well bedded; brachiopod at 1817.48'; small pyrite masses on
bedding below 1817.4'; brachiopods and bivalves at 1818.5'; vertical burrows
below 1818.6'; occasional shells in bottom 1.0'; base sharp. |
|
1821.28 |
1821.65 |
0.37 |
Shale, fossiliferous, dark gray;
sandstone bands; shell hash locally; base sharp. |
|
1821.65 |
1824.70 |
3.05 |
Sandstone, medium gray;
graywacke; plant stem fragments to 1821.95'; base sharp. |
|
1824.70 |
1825.70 |
1.00 |
Sandstone and siltstone
interbedded, Sandstone: light gray, with interlaminated medium gray
siltstone; base gradational and arbitrary. |
|
1825.70 |
1826.90 |
1.20 |
Sandstone and siltstone
interbedded, light gray with medium gray siltstone interlaminations; base
arbitrary. |
|
1826.90 |
1830.40 |
3.50 |
Sandstone and siltstone
interbedded, parallel bands about 0.01' thick with thin, medium gray mud
drapes; slightly bioturbated; mica flakes in siltstone bands. |
|
1830.40 |
1832.05 |
1.65 |
Sandstone and siltstone
interbedded, as above with thicker bands and less siltstone interlaminations;
bioturbated; parallel beds; base sharp. |
|
1832.05 |
1832.50 |
0.45 |
Sandstone, quartz, very fine to
fine grained; clean; quartzose; medium gray shale stringers; base sharp. |
|
1832.50 |
1837.55 |
5.05 |
Limestone, fossiliferous, medium
gray with occasional lighter gray bands; broken shell fragments; base
gradational. |
|
1837.55 |
1838.50 |
0.95 |
Limestone, fossiliferous, medium
gray; massive; marine fossils to bottom of hole, TD = 1838.5'. |
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