USGS8; Geologist core description. |
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Top (ft) |
Depth (ft) |
Thick (ft) |
Description |
|
0.00 |
21.00 |
21.00 |
Rotary drilled and cased to 21'.
Later cased to 99'. |
|
21.00 |
24.90 |
3.90 |
Mudstone, red, dark gray-red
with common, distinct, fine-to-coarse, very strongly calcareous glaebules in
a noncalcareous matrix; broken at top; coarse subangular fragments; clear
lower contact with color change (paleosol B horizon). |
|
24.90 |
25.53 |
0.63 |
Mudstone, mottled, light
gray-green with many, distinct, coarse, red-gray mottles; many, coarse, very
strongly calcareous glaebules; clear lower contact with loss of red mottles
(paleosol B horizon). |
|
25.53 |
29.55 |
4.02 |
Mudstone, calcareous nodules,
light gray-green with many, distinct, fine-to-coarse, very strongly
calcareous glaebules in a noncalcareous matrix; slightly bedded; iron stains
on joint faces; gradual lower contact with increasing silt and 3and (paleosol
B and BC horizons). |
|
29.55 |
36.15 |
6.60 |
Siltstone, light gray-green;
broken by drilling; abundant iron stains and calcite crystals on
near-vertical joints; sandy streaks from 33.30' to 33.80'; few,
medium-to-coarse, strongly calcareous glaebules from 31.60'to 34.65'; many
strongly calcareous glaebules from 34.65' to base; abrupt lower contact. |
|
36.15 |
40.23 |
4.08 |
Shale, mottled, interbedded
gray-red and light gray-green; few, faint, coarse, light gray-green; mottles
in the red zones; few, faint, coarse, red mottles in the light gray-green
zones; few, faint, very thin, calcareous streaks down to 38.00'; clear lower
contact. |
|
40.23 |
41.30 |
1.07 |
Siltstone, light gray-green;
clear lower contact. |
|
41.30 |
44.68 |
3.38 |
Shale, red, interbedded red and
light gray; poorly bedded; clear lower contact. |
|
44.68 |
58.10 |
13.42 |
Mudstone, red, medium gray-red
to 47.00'; red with common, distinct, fine-to-coarse, light gray and olive
mottles from 47.00' to base; light gray-green mottles in basal 1.0'; common
slickensides throughout; few, faint, medium, calcareous glaebules in basal
2.00'; abrupt lower contact (paleosol B horizon). |
|
58.10 |
61.00 |
2.90 |
Siltstone, sandy, light
gray-green; few, faint, coarse, calcareous glaebules in top 0.20'. |
|
61.00 |
63.00 |
2.00 |
CORE LOSS |
|
63.00 |
70.30 |
7.30 |
Mudstone, red, core loss in top
of this unit; badly broken by drilling to 64.90'; common, distinct, coarse,
light gray-green mottles in broken pieces to 64.90'; common slickensides;
mostly solid red with few, faint, fine, light gray streaks below 64.90'; few,
faint, fine-to-medium, calcareous glaebules below 64.90'; badly broken at
end-of-run with core loss. |
|
70.30 |
70.95 |
0.65 |
CORE LOSS |
|
70.95 |
74.07 |
3.12 |
Mudstone, red, same as unit
above core loss below 64.90'; clear lower contact on color change (paleosol B
horizon). |
|
74.07 |
75.45 |
1.38 |
Mudstone, mottled, equal areas
of many, distinct, coarse, red, medium gray-green, and olive mottles; gradual
lower contact to shale below (paleosol BC horizon). |
|
75.45 |
77.95 |
2.50 |
Shale, light gray-green; clayey,
with sandy zone from 76.65' to 77.35'; few, faint, coarse, calcareous
glaebules in basal 0.60'; common, coarse, red mottles in basal 0.60'; gradual
lower contact with color change. |
|
77.95 |
83.12 |
5.17 |
Shale, red, poorly bedded; few,
faint, medium, calcareous glaebules; clear lower contact with color change. |
|
83.12 |
85.10 |
1.98 |
Shale, sandstone streaks, light
gray-green, with fine grained, light gray, sandstone streaks; clear lower
contact with loss of sandstone streaks. |
|
85.10 |
87.00 |
1.90 |
Shale, calcareous nodules, few,
distinct, fine-to-coarse, strongly
calcareous glaebules; abrupt lower contact on color change. |
|
87.00 |
91.10 |
4.10 |
Shale, red, few, faint, fine,
calcareous glaebules in top 0.50'; clear lower contact with loss of bedding. |
|
91.10 |
94.60 |
3.50 |
Shale, light gray-green with
common, distinct, coarse, red mottles; poorly bedded; few, distinct, coarse,
red, calcareous nodules; abrupt lower contact on color change. |
|
94.60 |
105.66 |
11.06 |
Mudstone, red with common,
distinct, thin, light gray streaks (root traces?) and mottles, many from 98
to 100'; many slickensides; lighter red in basal 1.50'; diffuse lower contact
with color change (paleosol B horizon). |
|
105.66 |
115.93 |
10.27 |
Siltstone, sandstone
interbedded, medium gray-green; light gray-green sandstone streaks, very fine
grained, occasional thin shale zones; abrupt lower contact. |
|
115.93 |
117.21 |
1.28 |
Sandstone, very fine grained;
light-to-medium gray-green; ripple bedding; abrupt, angular lower contact on
bedding change. |
|
117.21 |
118.56 |
1.35 |
Sandstone, as above with cross
bedding at 15 degrees increasing to base; occasional dark mineral streaks
throughout; abrupt lower contact on grain size and color change. |
|
118.56 |
123.03 |
4.47 |
Sandstone, cross-bedded, light
gray-green; cross beds at 15 degrees; fine grained; slightly dirty; clear
lower contact on color change. |
|
123.03 |
126.05 |
3.02 |
Sandstone, cross-bedded,
light-to-medium gray-green; fine grained; occasional, very thin shale
streaks; occasional, dark mineral streaks less than 0.01' thick; abrupt lower
contact on color and grain size change. |
|
126.05 |
127.55 |
1.50 |
Sandstone, silty, grades to a
very fine grained sandstone at base; medium gray-green; low angle bedding;
clear lower contact on bedding and grain size change. |
|
127.55 |
131.37 |
3.82 |
Sandstone, cross-bedded, ripple
cross laminated; light gray-green; fine- to medium-grained at base; thin
shale streak from 129.30 to 129.50'; occasional mica; clear lower contact on
color and grain size change. |
|
131.37 |
142.90 |
11.53 |
Sandstone, cross-bedded, fine
grained in top (fining upward); occasional dark minerals; some ripple cross
lamination; changes in cross bed direction throughout; 0.01' thick shale
parting at 140.27'; slumped from 140.27 to 141.00'; cross bedded to 142.20';
medium-to-coarse grained to base; medium gray-green streaks in base. |
|
142.90 |
148.35 |
5.45 |
Sandstone and siltstone
interbedded, sandstone fine grained, medium gray-green; siltstone
medium-to-dark gray-green; very low angle to planar bedding; occasional dark
streaks; increasing siltstone to base; abrupt lower contact. |
|
148.35 |
151.70 |
3.35 |
Sandstone, fine- to
medium-grained; light gray-green; occasional pebbles up to 0.03' across in
top of unit; pebble lag from 151.48 to 151.70'; clear lower contact. |
|
151.70 |
157.55 |
5.85 |
Sandstone, fine- to
medium-grained; occasional mica; light gray-green to medium gray-green in
base; occasional dark mineral streaks; planar to low angle cross bedding;
abrupt lower contact. |
|
157.55 |
157.82 |
0.27 |
Claystone, slightly kaolinitic;
hard; light- to medium-gray; abrupt lower contact; (Paleosol AB horizon?) |
|
157.82 |
162.05 |
4.23 |
Claystone, medium gray; common
slickensides; soft; core surface pitted from drilling; diffuse lower contact
on mottles; (Paleosol B horizon). |
|
162.05 |
168.47 |
6.42 |
Mudstone, mottled, medium gray
with many, faint, coarse, gray-red mottles; few, faint, fine to coarse,
calcareous glaebules; common slickensides; clear lower contact on increasing
glaebules (Paleosol B horizon). |
|
168.47 |
171.57 |
3.10 |
Mudstone, calcareous glaebules,
medium gray with many, distinct, fine to coarse, calcareous glaebules;
clayey; common, faint, coarse, gray-red mottles; common slickensides; clear
lower contact on color change (Paleosol Bk horizon). |
|
171.57 |
173.82 |
2.25 |
Mudstone, red, like unit above
except for color; gray-red with many, distinct, fine-to-coarse, calcareous
glaebules; few, faint, coarse, light gray mottles; clear lower contact on
loss of glaebules. (Paleosol Bk horizon). |
|
173.82 |
176.27 |
2.45 |
Mudstone, red, few, faint,
fine-to-coarse, calcareous glaebules; clayey; few, distinct, coarse, light
gray mottles; clear lower contact on color change (Paleosol B horizon). |
|
176.27 |
176.60 |
0.33 |
Claystone, light gray with few,
faint, coarse, red mottles and 2 distinct, black to dark gray streaks in top
and basal 0.15'; clear lower contact at base of black streak (Paleosol A
horizon). |
|
176.60 |
177.19 |
0.59 |
Mudstone, predominately olive;
some medium gray and red zones; 0.03' thick strongly calcareous band at base;
abrupt lower contact (Paleosol B horizon). |
|
177.19 |
180.00 |
2.81 |
Mudstone, red, common, distinct,
fine to coarse, olive mottles; badly broken at end of run; probable loss
(Paleosol B horizon). |
|
180.00 |
181.00 |
1.00 |
CORE LOSS at base of run to
181.00'. |
|
181.00 |
181.25 |
0.25 |
CORE LOSS at top of run. |
|
181.25 |
182.20 |
0.95 |
Mudstone, red, many, distinct,
coarse, olive and light gray-green mottles; becoming bedded in base; abrupt
lower contact on color change but diffuse lower contact on bedding (Paleosol
BC horizon). |
|
182.20 |
187.32 |
5.12 |
Shale, red, interbedded gray-red
and light gray-green; abrupt lower contact on loss of bedding (paleosol C
horizon). |
|
187.32 |
189.83 |
2.51 |
Mudstone, red, common, distinct,
medium to coarse, light gray-green and olive mottles; few, distinct, very
fine, vertical, calcareous streaks (root traces?) more abundant and thicker
in base; gradual lower contact with increasing sand and silt in base. |
|
189.83 |
213.00 |
23.17 |
Shale and sandstone interbedded,
shale medium gray-green, silty; sandstone zones are fine-grained, ripple
cross-laminated, light-to-medium gray-green, lighter zones with strongly
calcareous streaks and cement; few, distinct, fine-to-coarse, strongly calcareous
glaebules throughout; strongly calcareous vertical streaks from 195.00 to
196.50'; many, distinct coarse, strongly calcareous glaebules from 200.35' to
200.55'; few, faint, fine, strongly calcareous glaebules from 200.55' to
base; less sandstone. |
|
213.00 |
214.68 |
1.68 |
Shale, light gray-green with
few, faint to distinct, coarse,
calcareous glaebules; poorly bedded; abrupt lower contact. |
|
214.68 |
215.87 |
1.19 |
Claystone, medium gray with
many, distinct, thin-to-thick, dark gray-black bands or layers; also some
light-to-medium gray-green and olive bands; slightly kaolinitic; clear lower
contact on base of dark streaks and mineralogy change (Paleosol A horizon). |
|
215.87 |
216.47 |
0.60 |
Claystone, light to medium
gray-green; slightly bedded; abrupt lower contact on bedding change (Paleosol
BC horizon). |
|
216.47 |
218.83 |
2.36 |
Shale, red with many, distinct,
fine to coarse, light gray-green mottles; abrupt lower contact on color
change (Paleosol C horizon). |
|
218.83 |
222.80 |
3.97 |
Shale, light gray-green; diffuse
lower contact on change to red color. |
|
222.80 |
226.72 |
3.92 |
Shale, red, poorly bedded;
olive, medium gray, and medium gray-green bands; diffuse lower contact with
loss of bedding and color change. |
|
226.72 |
228.60 |
1.88 |
Mudstone, slickensides, many
slickensides; coarse olive iron glaebules from 226.90 to 227.25'; medium
olive-gray color overall; abrupt, angular lower contact on color change
(Paleosol B horizon). |
|
228.60 |
232.17 |
3.57 |
Mudstone, calcareous glaebules,
medium gray-green; clayey; calcareous with common, distinct, fine-to-coarse,
strongly calcareous glaebules; common slickensides; gradual lower
contact on color change (Paleosol B horizon). |
|
232.17 |
235.00 |
2.83 |
Mudstone, calcareous glaebules,
light to medium gray-green with common to many, distinct, fine-to-coarse,
strongly calcareous glaebules; many slickensides; abrupt lower contact on
amount of glaebules. |
|
235.00 |
235.72 |
0.72 |
Limestone, nodular, many,
prominent, coarse, very strongly calcareous limestone nodules in a medium
gray-green matrix. |
|
235.72 |
244.38 |
8.66 |
Shale, calcareous glaebules,
many, distinct, coarse, red mottles in top 0.70'; common, distinct, coarse,
strongly calcareous glaebules throughout with zone of many glaebules
from 237.0 to 237.75'; mostly medium gray-green with another zone of red
mottles from 241.0 to 242.20'; becoming poorly bedded to base; clear lower
contact on color change and loss of bedding. |
|
244.38 |
247.56 |
3.18 |
Mudstone, mottled, medium
gray-green with common, faint, gray-red mottles; few, distinct, coarse,
calcareous glaebules and streaks; common slickensides; gradual lower contact
with bedding development. (Paleosol B horizon). |
|
247.56 |
253.00 |
5.44 |
Shale, calcareous
glaebules, medium gray-green; poorly
bedded; common, faint, coarse, calcareous glaebules; few slickensides in top;
gradual lower contact with loss of glaebules. |
|
253.00 |
256.60 |
3.60 |
Shale, medium gray-green; very
occasional fossil plant stems; diffuse lower contact with increase in sand. |
|
256.60 |
258.55 |
1.95 |
Sandstone, silty, fine grained;
medium gray-green; planar bedding; clear lower contact with grain size
change. |
|
258.55 |
270.26 |
11.71 |
Sandstone, fine grained; medium
gray-green; low angle (15 degrees) planar cross bedding; occasional dark
streak; few, distinct, calcareous nodules in bottom 0.50'; gradual lower
contact on increasing calcareous material. |
|
270.26 |
273.05 |
2.79 |
Sandstone, calcareous
inclusions, light green; fine grained to medium grained in base; faint,
planar bedding becoming less distinct to base; many, coarse, calcareous
pebbles and angular clasts in bottom 2.0'; angular abrupt lower contact. |
|
273.05 |
274.65 |
1.60 |
Mudstone, slickensides, medium
gray; clayey; many slickensides; common, distinct, coarse, olive mottles
starting at 273.80'; large, calcareous glaebules from 274.0 to 274.20';
gradual lower contact on color change (Paleosol B horizon). |
|
274.65 |
275.35 |
0.70 |
Mudstone, mottled, medium
gray-green with many, distinct, coarse, gray-red and olive mottles; few,
distinct, fine, calcareous glaebules; many slickensides; some loss in this
unit (Paleosol B horizon). |
|
275.35 |
275.50 |
0.15 |
CORE LOSS from the unit above? |
|
275.50 |
279.00 |
3.50 |
Mudstone, red, dark gray-red
with many, distinct, fine-to-coarse, olive mottles and streaks and a few,
light gray-green mottles; common, faint, fine-to-coarse, calcareous
glaebules; few slickensides; diffuse lower contact on 103S of olive mottles
and fewer calcareous glaebules (Paleosol B horizon). |
|
279.00 |
283.45 |
4.45 |
Mudstone, red. Dark gray-red;
few, distinct, coarse, light gray-green mottles; few slickensides; core loss,
plugged off in this unit (Paleosol B horizon). |
|
283.45 |
284.40 |
0.95 |
CORE LOSS in unit above. |
|
284.40 |
289.75 |
5.35 |
Mudstone, mottled, mostly
gray-red with light gray-green zones and common, distinct, fine to coarse,
mottles to 285.30' and from 288.50' to base; few weak slickensides; clear
lower contact (Paleosol B and BC horizons). |
|
289.75 |
290.04 |
0.29 |
Shale, stained olive; poorly
bedded; clear lower contact with sandiness (Paleosol C-horizon). |
|
290.04 |
291.00 |
0.96 |
Sandstone, medium gray-green;
bedding destroyed; many, distinct, fine-to-coarse, olive mottles and streaks
to 290.75'; common, prominent, vertical, calcareous streaks; clear lower
contact on bedding development (Paleosol C horizon). |
|
291.00 |
292.98 |
1.98 |
Sandstone, fine grained; light
gray-green; planar bedding; some calcareous cement; occasional green shale
streak; abrupt, flat lower contact. |
|
292.98 |
294.78 |
1.80 |
Shale, green; one very strongly
calcareous nodule near the top; poorly developed slickensides near top;
abrupt lower contact at sandstone streak. |
|
294.78 |
301.00 |
6.22 |
Shale and sandstone interbedded,
shale medium gray-green; sandstone light gray-green; fine grained, some
bi-directional ripple cross laminations from 299.0 to 299.35'; beds 0.5 to
1.0' thick; few, distinct, coarse, calcareous nodules. |
|
301.00 |
302.33 |
1.33 |
Shale, red with light gray-green
zones and bands. |
|
302.33 |
302.55 |
0.22 |
CORE LOSS |
|
302.55 |
306.37 |
3.82 |
Shale, red, zone of many, faint,
fine to medium, calcareous nodules from 303.90 to 303.95'; few olive streaks
and bands; abrupt lower contact. |
|
306.37 |
307.00 |
0.63 |
Sandstone, very fine grained;
light gray-green; ripple bedded; shale wisps on ripples; calcareous cement;
abrupt lower contact. |
|
307.00 |
312.35 |
5.35 |
Shale, interbedded red and light
gray-green; abrupt lower contact on color change. |
|
312.35 |
315.90 |
3.55 |
Shale, red, clayey; few
slickensides; dark gray streaks at 314.10'and 314.50'; soft zone at 315.45';
abrupt lower contact. |
|
315.90 |
321.36 |
5.46 |
Sandstone, fine grained; silty
in top; light gray-green; ripple bedded; calcareous cemented zone from 319.90
to 320.40'; occasional, strongly calcareous nodules throughout; diffuse lower
contact with decreasing grain size and amount of silt. |
|
321.36 |
322.58 |
1.22 |
Shale, light gray-green; silty
in the top; abrupt lower contact on color change. |
|
322.58 |
328.33 |
5.75 |
Shale, red with a few, distinct,
coarse, light gray-green mottles; few, thin olive bands; one slickenside near
the top; soft, clayey zone from 328.05 to 328.13'; interlaminated dark
gray-to-black and light gray-green streaks in basal 0.10'; abrupt lower contact. |
|
328.33 |
328.39 |
0.06 |
Limestone, light gray with dark
gray streaks and thin bands; abrupt lower contact. |
|
328.39 |
329.80 |
1.41 |
Shale, red with a light
gray-green band 0.02' thick at top; few, thin (0.02'), olive bands; abrupt
lower contact on color change. |
|
329.80 |
329.93 |
0.13 |
Shale, medium gray-green with
thin limestone band (0.02' thick) in middle; few dark gray to black streaks;
abrupt, angular lower contact. |
|
329.93 |
330.75 |
0.82 |
Limestone, light gray; hard;
very strongly calcareous; calcite on fracture faces; no fossils; abrupt lower
contact. |
|
330.75 |
331.10 |
0.35 |
Mudstone, calcareous, strongly
calcareous; light gray-green; transition into limestone bed above (Paleosol B
horizon). |
|
331.10 |
335.00 |
3.90 |
Mudstone, mottled, equally
mottled, distinct, fine to coarse, gray-red, olive, and light to medium
gray-green; strongly calcareous; clayey matrix; many, distinct to prominent,
fine to coarse, very strongly calcareous glaebules; common slickensides;
diffuse lower contact on loss of calcium carbonate and color change (Paleosol
B horizon). |
|
335.00 |
338.90 |
3.90 |
Mudstone, mottled, mostly dark
red with many, distinct, fine to coarse, olive mottles and streaks; few,
prominent, thin, strongly calcareous streaks; soft clayey zones from 337.00
to 337.60',338.60 to 338.88'; darker gray-red matrix from 337.00' to base;
abrupt lower contact at very light gray flint clay fragments (Paleosol B
horizon). |
|
|
Possible position of the
Bakerstown coal bed |
|
338.90 |
339.61 |
0.71 |
Flint clay, light gray; fine to
coarse, round to angular, fragments in a red mudstone matrix; abrupt lower
contact (Paleosol A or B horizon?). |
|
339.61 |
339.97 |
0.36 |
Mudstone, red. |
|
339.97 |
340.06 |
0.09 |
Claystone, light gray with very
thin, dark gray to black streaks; abrupt lower contact (Paleosol A horizon). |
|
340.06 |
344.47 |
4.41 |
Mudstone, red with few, faint,
fine to coarse, light gray and olive mottles and streaks; common
slickensides; abrupt lower contact with color and grain size change (Paleosol
B horizon). |
|
344.47 |
348.47 |
4.00 |
Sandstone, fine grained; light
gray to light gray-green; very fine grained at the base (coarsening upward);
massive from top to 346.37'. ripple cross-laminated to base; occasional very
thin mica-rich streaks; occasional strongly calcareous cemented zones from
346.70 to 347.78'; abrupt lower contact. |
|
348.47 |
349.23 |
0.76 |
Shale, calcareous glaebules,
medium gray-green with many, faint, coarse, strongly calcareous glaebules;
clear lower contact with loss of bedding. |
|
349.23 |
355.06 |
5.83 |
Mudstone, red with many distinct
to prominent fine to coarse very strongly calcareous glaebule3; common to
many faint fine to coarse medium gray-green mottles and streaks; few
slickensides; few faint fine to coarse olive mottles in basal 0.30'; abrupt
lower contact (Paleosol B horizon). |
|
355.06 |
355.23 |
0.17 |
Mudstone, medium to dark gray
with dark gray to black streaks; abrupt lower contact (Paleosol A horizon). |
|
355.23 |
358.25 |
3.02 |
Mudstone, mottled, predominately
red matrix with many, faint to distinct, fine to coarse, olive, light gray,
and medium gray-green mottles; many slickensides; abrupt lower contact with
color change (Paleosol B horizon). |
|
358.25 |
358.33 |
0.08 |
Claystone, light gray-green;
abrupt, angular lower contact with limestone below. |
|
358.33 |
358.62 |
0.29 |
Limestone, nodular, two hard
micritic nodules with mudstone in between; abrupt lower contact. |
|
358.62 |
360.13 |
1.51 |
Siltstone, light gray-green with
many, distinct, fine to coarse, calcareous glaebules and streaks; clear lower
contact with increasing grain size. |
|
360.13 |
367.94 |
7.81 |
Shale and sandstone interbedded,
medium gray-green shale with few, thin (<0.5'), fine grained, medium gray
sandstone beds; very few, distinct, very fine, calcareous streaks; diffuse
lower contact with increasing sand. |
|
367.94 |
370.86 |
2.92 |
Sandstone, fine grained; light
gray-green; faint, planar, ripple laminations to low angle, ripple, cross
laminations; occasional, thin, mineral bands; abrupt lower contact. |
|
370.86 |
373.17 |
2.31 |
Sandstone, fine grained to
medium grained at base (fining up); planar to low angle cross beds;
occasional, dark mineral streaks; locally mica-rich; abrupt lower contact. |
|
373.17 |
373.94 |
0.77 |
Sandstone, very fine grained to
medium grained at base (fining up); massive to low angle cross bedding, angle
increasing to base; occasional, small, elongate, shale cla3ts <0.01'
thick; abrupt lower contact on grain size change. |
|
373.94 |
374.96 |
1.02 |
Sandstone, medium grained to
fine grained in the base (coarsening up); abundant, light to dark gray-green,
shale clast3; abundant, thin (<0.01'), shaley partings; abrupt lower
contact. |
|
374.96 |
375.40 |
0.44 |
Sandstone, light gray-green;
fine grained with medium grained streaks; occasional, medium gray-green,
elongate, shale clasts; abrupt, angular erosive lower contact. |
|
375.40 |
375.80 |
0.40 |
Claystone, light gray-green with
few, distinct, red mottles; slickensides; broken; core loss in this unit
(Paleosol B horizon). |
|
375.80 |
376.14 |
0.34 |
CORE LOSS in unit above. |
|
376.14 |
381.83 |
5.69 |
Mudstone, mottled, mostly medium
gray-green with common, distinct, red mottles and olive mottles below 379.0';
clayey, many slickensides; basal 0.45' strongly calcareous; abrupt lower
contact (Paleosol B horizon). |
|
381.83 |
382.28 |
0.45 |
Shale, medium gray-green; abrupt
lower contact (Paleosol C horizon). |
|
382.28 |
382.70 |
0.42 |
Mudstone, calcareous, medium
gray-green; strongly calcareous; sand-sized, strongly calcareous grains;
abrupt lower contact at presence/absence of calcareous material (Paleosol B
horizon). |
|
382.70 |
383.21 |
0.51 |
Claystone, light gray-green to
gray-brown; kaolinitic; soft, clayey zone from 383.12 to 383.2l'; abrupt
lower contact (Paleosol B horizon). |
|
383.21 |
383.29 |
0.08 |
Flint clay, light gray-brown
bands with dark gray streaks; abrupt lower contact (Paleosol B horizon). |
|
383.29 |
387.93 |
4.64 |
Shale, sandstone streaks, medium
gray-green shale with zones of very fine grained, light gray, rippled,
sandstone streaks; one planar laminated zone; light gray, very fine grained,
sandstone bed from 387.38' to base; diffuse lower contact with loss of sand. |
|
387.93 |
391.97 |
4.04 |
Shale, calcareous inclusions,
medium gray-green; few sandstone streaks in top 0.30'; zones of light gray,
sand-sized, strongly calcareous grains from 389.2S to 389.401, 389.78 to
390.00', and 391.85 to 391.97'; abrupt lower contact at basal calcareous zone. |
|
391.97 |
395.75 |
3.78 |
Shale, medium gray-green; abrupt
lower contact. |
|
395.75 |
396.00 |
0.25 |
Claystone, dark gray with dark
gray to black bands; abrupt lower contact (Paleosol A horizon). |
|
396.00 |
398.00 |
2.00 |
Mudstone, dark gray-green with
many, distinct, fine to coarse, olive mottles and vertical streaks; common
slickenside3; clayey; abrupt lower contact with color and texture change
(Paleosol B horizon). |
|
398.00 |
400.60 |
2.60 |
Mudstone, slickensides, light
gray-green; many slickensides; clayey; few, distinct, fine to coarse,
strongly calcareous glaebules; few, faint, fine, olive mottles; probable loss
in this unit (Paleosol B horizon). |
|
400.60 |
401.00 |
0.40 |
CORE LOSS from unit above. |
|
401.00 |
402.23 |
1.23 |
Mudstone, medium gray-green with
many, distinct, coarse, olive mottles; few, distinct, coarse, strongly
calcareous glaebules; abrupt lower contact on color change (Paleosol B
horizon). |
|
402.23 |
405.00 |
2.77 |
Mudstone, red with few,
distinct, medium gray-green streaks; very clayey; soft; few 3lickensides;
gradual lower contact on color change (Paleosol B horizon). |
|
405.00 |
407.93 |
2.93 |
Mudstone, medium gray; very
soft; clayey; few slickensides; diffuse lower contact on color change
(Paleosol B horizon). |
|
407.93 |
413.00 |
5.07 |
Mudstone, mottled, medium gray
with common, faint, fine to coarse, gray-red mottles; becoming increasingly
red below 410.00'; few, distinct, fine to coarse, olive mottles in basal
0.80'; very soft; clayey; many slickensides; few, faint, coarse, calcareous
glaebules below 412.40'; clear lower contact on color change (Paleosol B
horizon). |
|
413.00 |
414.30 |
1.30 |
Claystone, medium gray; very
clayey; common, distinct, fine to coarse, olive mottles; slightly bedded;
gradual lower contact on color and bedding change (Paleosol B horizon). |
|
414.30 |
418.60 |
4.30 |
Mudstone, red, clayey; dark
gray-red matrix with many, faint, fine to medium, medium gray-red mottles;
few, faint, medium to coarse,, medium gray mottles; few, distinct, very fine,
dark gray soil fragments or grains below 417.50'; (deepest well-developed red
bed); (Paleosol B horizon). |
|
418.60 |
419.20 |
0.60 |
CORE LOSS, cut 8.20' in this
run; 1033 could be from many places in the run of 411.00' to 419.20', put at
end of run for convenience. |
|
419.20 |
421.30 |
2.10 |
Mudstone, medium gray with
faint, fine to medium, red mottles and fragments; few, faint, fine to coarse,
olive mottles from 420.60' to base; common slickensides; clear lower contact
on color change (Paleosol B horizon). |
|
421.30 |
423.55 |
2.25 |
Mudstone, medium gray with some
dark gray streaks - root traces?; few slicken3ides; abrupt lower contact
(Paleosol B horizon). |
|
423.55 |
423.90 |
0.35 |
Claystone, dark gray; organic
appearance; slickensides; abrupt lower contact on color change (Paleosol A?
horizon). |
|
423.90 |
424.08 |
0.18 |
Claystone, medium gray; abrupt
lower contact on color change (Paleosol B horizon). |
|
|
Position of the Brush Creek coal
bed, Elv.= 1099.92' |
|
424.08 |
424.08 |
0.00 |
Coal, Not Present. |
|
424.08 |
424.58 |
0.50 |
Shale, carbonaceous, dark
gray-black; poorly bedded in top;
increasingly bedded with increasing organic matter content to base;
plant stems; abrupt lower content (Paleosol A or O horizon). Brush Creek coal
horizon |
|
424.58 |
424.75 |
0.17 |
Shale, medium gray; plant trash;
abrupt lower contact (Paleosol C
horizon). |
|
424.75 |
429.70 |
4.95 |
Siltstone and sandstone
interbedded, light gray; increasing sand content to base; <0.10' thick,
medium gray-green shale bands in basal 0.70'; abrupt lower contact. |
|
429.70 |
433.50 |
3.80 |
Shale, medium gray-green; red
streak at 430.20' with faint red
streaks from 431.55 to 432.00' (deepest occurrence of red); abrupt lower
contact. |
|
433.50 |
433.95 |
0.45 |
Siltstone, medium gray-green;
few, faint, sand grains; abrupt lower
contact. |
|
433.95 |
434.32 |
0.37 |
Shale, medium gray-green; abrupt
lower contact. |
|
434.32 |
435.63 |
1.31 |
Siltstone, light gray-green;
planar bedded; abrupt lower contact. |
|
435.63 |
439.17 |
3.54 |
Shale, silty, medium gray-green,
abrupt lower contact. |
|
439.17 |
439.41 |
0.24 |
Siltstone, calcareous, light
gray; weakly calcareous; very hard; abrupt lower contact. |
|
439.41 |
440.71 |
1.30 |
Shale, medium gray-green;
slightly sandy in base; clear lower contact. |
|
440.71 |
441.02 |
0.31 |
Sandstone, silty, medium
gray-green; occasional mica; massive; abrupt lower contact. |
|
441.02 |
448.55 |
7.53 |
Sandstone, cross-bedded, light
gray; planar cross-laminated; dark mineral streaks on laminations; fine
grained; locally abundant mica on lamination planes; low angle abrupt lower
contact. |
|
448.55 |
449.46 |
0.91 |
Sandstone, light gray; fine
grained; planar ripple laminated; abrupt lower contact. |
|
449.46 |
453.28 |
3.82 |
Sandstone, light gray; fine
grained; planar laminated in top; planar ripple-laminated from 453.00' to
base; increasing mica streaks to base; abrupt, erosional lower contact. |
|
453.28 |
457.23 |
3.95 |
Shale, medium gray-green; silty
streaks in top 0.40'; abrupt lower contact. |
|
457.23 |
459.15 |
1.92 |
Mudstone, calcareous, medium
gray; noncalcareous from top to 457.53'; calcareous from 457.53' to strongly
calcareous in base; few slickensides; clear, angular lower contact (Paleosol
B horizon). |
|
459.15 |
460.11 |
0.96 |
Limestone, light gray; hard;
micritic; many, distinct, fine, light gray-green clasts (?); no fossils seen;
abrupt lower contact. |
|
460.11 |
460.48 |
0.37 |
Flint clay, light to medium
gray-brown with black streaks; bedded; nondescript, uniform to 460.25';
brecciated, angular to subrounded fragments with black matrix to base; abrupt
lower contact. |
|
460.48 |
468.98 |
8.50 |
Sandstone and shale interbedded,
Sandstone: very fine grained; light gray; mostly ripple laminated; shale:
medium gray-green; silty in top of unit; very strongly calcareous
fracture-fills and nodules to 463.8'; one large nodule 466.2 to 466.35';
abrupt lower contact. |
|
468.98 |
472.06 |
3.08 |
Sandstone, light gray to light
gray-green; very fine grained; low angle cross laminations; occasional ripple
cross laminations; possible slump and soft sediment deformation at 470.50';
mica-rich partings; increasing mica to base; abrupt lower contact. |
|
472.06 |
477.11 |
5.05 |
Shale, light gray-green; silty
streaks in top 1.20'; very few, distinct, very thin, calcareous streaks; few
slickensides; clear lower contact. |
|
477.11 |
477.54 |
0.43 |
Shale, dark gray. |
|
477.54 |
478.39 |
0.85 |
Flint clay, brecciated,
predominately medium gray with light gray, medium gray and dark gray clasts
and dark gray streaks; abrupt lower contact. |
|
478.39 |
479.03 |
0.64 |
Claystone, medium gray; very
soft; many, faint, fine to coarse, harder clasts in very soft matrix. |
|
479.03 |
479.32 |
0.29 |
CORE LOSS |
|
479.32 |
485.74 |
6.42 |
Mudstone, silty, medium gray;
silt starts around 481.0'; becoming more silty and sandy to base; root
traces; clear lower contact on first sandstone (Paleosol B horizon). |
|
485.74 |
489.32 |
3.58 |
Sandstone, light gray; very fine
grained; ripple cross laminated; abrupt lower contact. |
|
489.32 |
490.03 |
0.71 |
Siltstone, sandy, medium gray;
light gray sandstone streaks; abrupt lower contact. |
|
490.03 |
491.34 |
1.31 |
Sandstone, light gray; very fine
grained; ripple cross laminated; abrupt lower contact at shale bed. |
|
491.34 |
494.38 |
3.04 |
Sandstone and shale interbedded,
sandstone: light gray; very fine grained; trough cross stratification; some
ripple laminations; distinct contacts; shale: medium to dark gray; occasional
sandy streaks; possible soft sediment deformation at 493.48'; abrupt lower
contact. |
|
494.38 |
498.61 |
4.23 |
Sandstone, cross bedded, light
gray; fine to medium grained; fining upwards; well cemented with calcareous
cement; locally abundant mica; planar Cross laminations; abrupt lower
contact. |
|
498.61 |
499.13 |
0.52 |
Sandstone, calcareous, light
gray; very fine to fine grained; massive; micaceous; abrupt lower contact. |
|
499.13 |
504.22 |
5.09 |
Sandstone, cross bedded, light
gray; fine grained; dark mica streaks; planar cross laminations; very weakly
calcareous cement; clear lower contact at shale clasts. |
|
504.22 |
504.67 |
0.45 |
Sandstone, shale clasts, light
gray; fine grained; many, medium gray, fine to coarse, shale clasts
throughout; abrupt lower contact. |
|
504.67 |
507.30 |
2.63 |
Shale and sandstone interbedded,
medium gray with two light gray, fine grained, ripple cross laminated
sandstone beds; gradual lower contact on loss of sandstone. |
|
|
Position of the Upper Freeport
coal bed, Elv.= 1016.70' |
|
507.30 |
507.30 |
0.00 |
Coal, Not Present. |
|
507.30 |
514.67 |
7.37 |
Claystone, medium gray with dark
gray, and medium gray-green bands, darker to base; few slickensides; slightly
bedded at top; rooted; light gray-green, noncalcareous glaebules from 512.20'
to base; clear lower contact with color and texture change (Paleosol B
horizon). |
|
514.67 |
517.21 |
2.54 |
Claystone, sandy, silty; light
gray; rooted; diffuse lower contact on base of roots and increased bedding
(Paleosol B horizon). |
|
517.21 |
529.12 |
11.91 |
Shale, sandstone streaks, medium
gray with few, light gray, very fine grained, rippled to planar, sandstone
streaks; abrupt lower contact (Paleosol C horizon). |
|
529.12 |
529.83 |
0.71 |
Sandstone, fine grained; light
gray; low angle, planar cross laminations; coarsening up; abrupt lower
contact. |
|
529.83 |
551.00 |
21.17 |
Sandstone, light gray; medium
grained; well cemented; low angle, planar bedding; mica-rich bedding planes;
shale rip-up clasts up to 0.20' from 550.00 to 551.00'. |
|
551.00 |
551.50 |
0.50 |
Sandstone, very fine grained;
medium gray; planar laminated; abrupt, angular lower contact. |
|
551.50 |
554.08 |
2.58 |
Sandstone, light gray; medium
grained; very few, very thin, shale clasts; micaceous; massive; abrupt
angular lower contact. |
|
554.08 |
555.50 |
1.42 |
Sandstone, light gray; fine
grained; low angle planar cross laminations; locally abundant mica streaks at
base; abrupt, angular lower contact. |
|
555.50 |
560.60 |
5.10 |
Sandstone, light gray; medium
grained; scattered mica-rich streaks; occasional, very small, organic matter
streaks; low angle, planar cross laminations to massive. |
|
560.60 |
562.29 |
1.69 |
Siltstone, sandy, medium gray;
sandstone: light gray; inclined, planar laminations about 30 degrees,
probably slumped, chevrons on inclined beds; abrupt lower contact. |
|
562.29 |
567.73 |
5.44 |
Sandstone, light gray; massive;
occasional, medium gray, shale pebbles up to 0.1S' across; abrupt lower
contact on bedding and grain size change. |
|
567.73 |
570.46 |
2.73 |
Sandstone, coal streaks, light
gray; fine grained; low angle, cross laminations; coal and mica streaks; coal
streaks most abundant from 570 to 570.33'; abrupt lower contact on grain size
change. |
|
570.46 |
570.71 |
0.25 |
Sandstone, light gray; medium
grained; massive; abrupt lower contact. |
|
570.71 |
572.00 |
1.29 |
Sandstone, light gray; very fine
grained; planar laminations; occasional medium grained zone <0.10' thick;
abrupt lower contact. |
|
572.00 |
572.16 |
0.16 |
Sandstone, light gray; fine
grained; distorted bedding with coal clasts and streaks and shale clasts;
abrupt lower contact. |
|
572.16 |
598.42 |
26.26 |
Sandstone, light gray; fine
grained to 578.10', medium grained to 588.10', interbedded fine and medium
grained to 591.00'. medium grained to base; occasional, low angle, planar
cross laminations with mica-rich streaks to 593.00'; abrupt lower contact. |
|
598.42 |
601.00 |
2.58 |
Sandstone, light gray; fine
grained; low angle, planar cross laminations; prominent, vertical,
calcite-filled fractures from top to 599.75'; locally micaceous; abrupt lower
contact on grain size change. |
|
601.00 |
608.29 |
7.29 |
Sandstone, medium grained; light
gray; green minerals yield a green tint; massive at top to low angle, cross
laminations to base; fine grained bed from 606.92 to 607.00'; calcareous
nodules at base; very thin shale rip-ups and mica streaks; very few, very
small, organic streaks from 601.20 to 603.10'; abrupt lower contact on grain
size change. |
|
608.29 |
608.68 |
0.39 |
Sandstone, light gray; fine
grained; occasional, very thin (<0.01'), medium gray streaks; locally
abundant mica; low angle, planar cross laminations; abrupt lower contact. |
|
608.68 |
610.65 |
1.97 |
Sandstone, cross bedded, light
gray; fine to medium grained; cross laminated at about 15 degrees, better
developed to base; locally abundant mica on bedding planes. |
|
610.65 |
611.00 |
0.35 |
CORE LOSS |
|
611.00 |
616.52 |
5.52 |
Sandstone, cross bedded, light
gray; fine grained; low angle, planar cross laminations; locally abundant
mica; abrupt lower contact on grain size and bedding change. |
|
616.52 |
621.01 |
4.49 |
Sandstone, medium grained; light
gray; massive; abrupt lower contact. |
|
621.01 |
623.19 |
2.18 |
Claystone, dark gray; many
slickenside3; rooted; pyrite on slickensides; one large, very weakly
calcareous, pyritic nodule from 622.0 to 622.22'; pyritized plant trash;
abrupt, wavy lower contact. |
|
|
Position of the Upper Kittanning
coal bed, Elv.= 900.81' |
|
623.19 |
623.19 |
0.00 |
Coal, Not Present. |
|
623.19 |
623.38 |
0.19 |
Shale, carbonaceous, dark gray
to black; very thin coal streaks; abundant pyrite blebs and lenses; abrupt
lower contact (not sampled). Upper Kittanning coal horizon |
|
623.38 |
625.83 |
2.45 |
Claystone, medium gray; root
traces; many slickensides; light gray, faint to distinct, coarse, very weakly
calcareous nodules with thin calcareous streaks from 614.00' to base; abrupt
lower contact (Paleosol B horizon). |
|
625.83 |
626.81 |
0.98 |
Sandstone, light gray; fine
grained; bedding disrupted by rooting; abrupt, very angular, compactional
lower contact (Paleosol BC or C horizon). |
|
626.81 |
634.79 |
7.98 |
Sandstone, shale streaks, very
fine grained; light gray; rippled and ripple trough cross laminations ;
medium gray shale streaks; abrupt lower contact. |
|
634.79 |
636.00 |
1.21 |
Shale, medium gray; some plant
pinnules (Neuropteris sp?), stems, plant trash; occasional pyrite on bedding
planes; abrupt lower contact. |
|
636.00 |
636.24 |
0.24 |
Shale, coal streaks, dark gray
to black; abundant organic streaks;
abrupt lower contact. |
|
636.24 |
637.22 |
0.98 |
Flint clay, brecciated, medium
gray with many, distinct, fine to coarse, light gray-brown clasts, especially
abundant from 636.801 to base; few slickensides; abrupt lower contact. |
|
637.22 |
643.62 |
6.40 |
Mudstone, silty; sandy; medium
gray; highly rooted; massive; sandstone streaks; abrupt lower contact at
basal sandstone streak, diffuse lower contact on loss of roots (Paleosol B
horizon). |
|
643.62 |
647.00 |
3.38 |
Shale, dark gray; very weakly
calcareous nodules at 645.70'; slump? with silt fill at 646'; abrupt lower
contact at first sandstone streak. |
|
647.00 |
656.60 |
9.60 |
Shale, sandstone streaks, shale:
medium gray; occasional slickensides; some coalified plant material; very
fine grained, light gray, ripple bedded sandstone streaks in zones up to
0.50' thick; micro-faulting in zone from 652.15 to 654.57'; abrupt lower contact
at last sandstone streak. |
|
656.60 |
659.25 |
2.65 |
Shale, dark gray; abrupt lower
contact (sampled basal 0.15' with coal). |
|
|
Middle Kittanning coal bed, 660.29 - 660.91 (0.62'), Elv.=
863.71' |
|
659.25 |
660.29 |
1.04 |
Coal, clarain, mostly bright
clarain; abundant pyrite streaks up to 0.01' thick (sampled). |
|
660.29 |
660.32 |
0.03 |
Shale, dark gray; thin parting;
wavy lower contact (sampled). |
|
660.32 |
660.57 |
0.25 |
Coal, clarain, bright clarain
(sampled). |
|
660.57 |
660.61 |
0.04 |
Shale, light to medium gray
(sampled). |
|
660.61 |
660.69 |
0.08 |
Coal, clarain; occasional thin
fusain (sampled). |
|
660.69 |
660.71 |
0.02 |
Shale, light to medium gray
parting (sampled). |
|
660.71 |
660.78 |
0.07 |
Coal, clarain; pyrite streaks
(sampled). |
|
660.78 |
660.81 |
0.03 |
Shale, light to medium gray
parting (sampled). |
|
660.81 |
660.85 |
0.04 |
Coal, clarain (sampled). |
|
660.85 |
660.86 |
0.01 |
Shale, light to medium gray
parting (sampled). |
|
660.86 |
660.91 |
0.05 |
Coal, clarain (sampled). |
|
660.91 |
661.70 |
0.79 |
Sandstone, light gray; medium
grained; highly rooted; large, shale clast in base; abrupt lower contact (not
sampled). |
|
661.70 |
679.65 |
17.95 |
Sandstone, light to medium gray;
fine to medium grained; low angle, planar cross laminations; occasional coal
streaks; concentrated coal and mica streaks from 679.11' to base; occasional
shale streaks; locally mica-rich; abrupt lower contact. |
|
679.65 |
691.79 |
12.14 |
Sandstone, light gray; medium
grained; abundant coal streaks from 682.90 to 685.90'; low angle, planar
cross laminations; occasional shale rip-up; locally abundant mica on bedding
planes; becoming coarser to base; abrupt lower contact on color and grain size
change. |
|
691.79 |
693.20 |
1.41 |
Sandstone, light to medium gray;
medium grained with occasional, coarse pebbles at base; fining upward to fine
grained at the top; low angle, planar cross laminations; medium gray shale
rip-ups in basal 0.20'; abrupt wavy lower contact. |
|
693.20 |
697.30 |
4.10 |
Sandstone, light gray; fine
grained; massive; clear lower contact on bedding change. |
|
697.30 |
714.71 |
17.41 |
Sandstone, light to medium gray;
dark gray mica streaks; fine grained; occasional, rippled, shale streaks at
top; locally abundant mica; bi-directional, planar cross laminations; few
crenellation on bedding from 699.60 to 700.601; light gray to white, fine
grained streaks in zones from 705.20 to 705.85 and 709.05 to 709.30'; very
fine shale rip-ups from 710.65 to 711.15'; very thin, dark, coal and shale
streaks from 711.14 to 712.00'; few, coarse, quartz pebbles from 714.20' to
base; which is abrupt. |
|
|
No. 6 Block/Lower Kittanning?
coal bed, 714.71 -715.00 (0.39'), Elv.= 809.29' |
|
714.71 |
715.10 |
0.39 |
Coal, clarain, bright clarain;
scattered pyrite; rafted?; abrupt, angular lower contact (sampled w/out top
or bottom rock included). |
|
715.10 |
717.42 |
2.32 |
Sandstone, fine to medium
grained with coarse pebbles; medium gray; coal spars at 715.47', 0.06' thick
at 716.55', at 716.98', and 717.10'; faint, ripple cross laminations;
abundant shale and quartz pebbles (channel lag) from 716.50 to 717.30';
abrupt, angular, erosional lower contact (not sampled). |
|
717.42 |
718.95 |
1.53 |
Shale, rooted, medium gray;
silty; root traces; poorly bedded; clear lower contact. |
|
718.95 |
719.49 |
0.54 |
Flint clay, shaley; medium gray
with thin, dark gray streaks; weakly bedded; clear lower contact at color
change. |
|
719.49 |
719.70 |
0.21 |
Shale, dark gray; kaolinitic,
abrupt lower contact. |
|
719.70 |
719.78 |
0.08 |
Shale, medium gray; kaolinitic;
abrupt lower contact. |
|
719.78 |
720.62 |
0.84 |
Sandstone, quartzose, light
gray; very fine grained; quartzose; planar cross laminations; clear lower
contact. |
|
720.62 |
721.10 |
0.48 |
Flint clay, medium gray-brown
with dark gray streaks; conchoidal fracture; hard; some near-vertical black
streaks (roots?). |
|
721.10 |
722.02 |
0.92 |
Shale, black to dark gray;
poorly bedded; clear lower contact. |
|
722.02 |
723.25 |
1.23 |
Claystone, medium gray; silty in
top 0.28'; rooted; slickensides; abrupt lower contact. |
|
723.25 |
743.66 |
20.41 |
Sandstone, fine grained; light
gray; low angle, planar and ripple cross laminations; slight rooting in top
1.15'; occasional mica-rich zones; silty from 725.57 to 725.64'; locally hard
quartz-rich streaks from 731.50 to 733.00'; planar laminations from 739.50 to
741.50'; low angle, planar cross laminations from 741.SO to 742.85'; massive
from 742.85 to 743.00'; slumped(?) from 743.00' to base; abrupt, angular
lower contact. |
|
743.66 |
744.38 |
0.72 |
Sandstone, light gray; fine
grained; white (clean?) fine grained sandstone streaks; planar laminations;
abrupt lower contact. |
|
744.38 |
745.00 |
0.62 |
Sandstone, light gray; fine
grained; occasional, white sandstone streaks; slightly coarser to base;
abrupt lower contact. |
|
745.00 |
747.12 |
2.12 |
Sandstone, coal streaks, light
gray; fine grained; abundant coal streaks; white, quartz-rich, sandstone
streaks, increasing in abundance and thickness to base; clear lower contact. |
|
747.12 |
749.41 |
2.29 |
Sandstone, light gray; fine
grained; low angle, ripple and planar cross laminations at top, grading to
massive at base; clear lower contact. |
|
749.41 |
754.84 |
5.43 |
Sandstone, coal streaks, light
gray; medium grained; low angle, planar cross laminations; locally abundant
mica; few coal streaks below 754.35'; zone of clean sandstone streaks from
754.16' to base; clear lower contact. |
|
754.84 |
759.00 |
4.16 |
Sandstone. light gray;
predominately medium grained with coarse, and fine grained zones; abundant
coal streaks up to 0.02' thick; abundant, clean sandstone streaks, clear
lower contact. |
|
759.00 |
763.25 |
4.25 |
Sandstone, fine to medium
grained; light to medium gray; occasional coal streaks throughout; planar
laminations; massive from 761.60 to 762.50'; fine grained, ripple cross
laminated, with occasional, very small coal streaks and dark heavy mineral
streaks from 762.50 to 762.77'; medium grained to 762.97', fine grained to
base; coarsening up; occasional coaly streaks to base; abrupt lower contact. |
|
763.25 |
763.75 |
0.50 |
Sandstone, light to medium gray;
low angle, planar cross laminations; medium grained; abrupt lower contact. |
|
763.75 |
770.22 |
6.47 |
Sandstone, light gray; fine
grained to medium grained in base (fining-up); faint, planar cross
laminations; locally abundant mica streaks; abrupt lower contact at grain
size change. |
|
770.22 |
776.24 |
6.02 |
Siltstone and sandstone
interbedded, light gray; fine grained, grading to medium grained at base
(fining-up); occasional, small, coaly spars; locally abundant mica; low
angle, planar cross laminations; abrupt lower contact. |
|
776.24 |
779.23 |
2.99 |
Sandstone, medium gray;
sandstone: light gray, very fine grained, ripple cross laminated streaks;
abrupt lower contact. |
|
779.23 |
780.40 |
1.17 |
Sandstone, shale clasts, light
gray; fine grained; abundant, very fine, shale clasts; low angle, planar
cross laminations; clear lower contact. |
|
780.40 |
783.27 |
2.87 |
Sandstone, cross bedded, light
gray; fine grained; clasts medium gray, silty; lag of shale pebbles up to
0.20' diameter from 782.70' to base; abrupt lower contact. |
|
783.27 |
790.77 |
7.50 |
Sandstone, light gray; fine
grained; low angle, planar cross laminations; locally abundant mica on
bedding; occasional, very thin, coaly streaks; abrupt lower contact on
bedding change. |
|
790.77 |
797.32 |
6.55 |
Sandstone, light gray; fine
grained; massive; clear lower contact. |
|
797.32 |
797.60 |
0.28 |
Sandstone, light gray; fine
grained; low angle, planar cross laminations; locally abundant mica;
occasional, very small, coal clasts; abrupt lower contact on grain size
change. |
|
797.60 |
797.97 |
0.37 |
Sandstone, coal clasts, light
gray grading to white at the base; fine grained; occasional shale clasts;
abrupt lower contact. |
|
797.97 |
805.17 |
7.20 |
Sandstone, light gray; fine
grained; low angle, planar cross laminations; abrupt lower contact at coal
streaks. |
|
805.17 |
805.46 |
0.29 |
Sandstone, coal streaks, light
gray, fine grained; coal streaks; low angle, planar cross laminations; abrupt
lower contact. |
|
805.46 |
829.63 |
24.17 |
Sandstone, light gray; fine
grained; low angle, planar cross laminations; coal streaks from 808.31 to
808.601, 815.23 to 816.531, 821.45 to 821.51' and at 823.76; abundant coal
streaks from 825.00 to 829.63'; locally abundant mica on some bedding planes;
abrupt lower contact. |
|
829.63 |
835.65 |
6.02 |
Sandstone, light gray; fining up
from medium to fine grained; low angle, planar cross laminations; occasional,
dark, heavy mineral streaks; abrupt lower contact. |
|
835.65 |
837.57 |
1.92 |
Sandstone, light gray; fine to
medium grained at base, fining up to fine grained; occasional, very thin,
coal streaks at top; low angle, planar cross laminations; occasional shale
rip-ups to base <0.01' thick; abrupt high angle lower contact. |
|
837.57 |
839.40 |
1.83 |
Shale, dark gray; light
gray-brown flint clay bands from 838.05 to 838.2l'; occasional slickensides;
sandstone streaks from 838.30; to base; abrupt lower contact at sandstone. |
|
839.40 |
845.12 |
5.72 |
Sandstone, coal streaks, light
gray; fine grained; massive; few coal clasts up to 0.02' thick; locally
abundant mica; occasional shale rip-ups; abrupt lower contact on grain size
change. |
|
845.12 |
849.43 |
4.31 |
Sandstone, light gray; fining up
from medium to fine grained at top; low angle, planar cross laminations;
abundant mica streaks at top, slightly crenulated; abrupt, angular lower
contact. |
|
849.43 |
852.65 |
3.22 |
Sandstone, light gray; fine
grained; planar cross laminations; abrupt lower contact. |
|
852.65 |
852.96 |
0.31 |
Sandstone, light gray; fine
grained; abundant mica streaks; clear lower contact. |
|
852.96 |
853.92 |
0.96 |
Sandstone, light gray; fine
grained, massive; dark mineral patch from 853.S8 to 853.80'; abrupt, angular
lower contact (sampled basal 0.05' with coal). |
|
|
Little No. 5 Block coal bed,
853.92 - 854.32 (0.40'), Elv.= 670.08' |
|
853.92 |
854.18 |
0.26 |
Coal, clarain, dull clarain
(sampled). |
|
854.18 |
854.23 |
0.05 |
Shale, silty, dark gray; silty
(sampled). |
|
854.23 |
854.32 |
0.09 |
Coal, impure (sampled). |
|
854.32 |
856.71 |
2.39 |
Claystone, rooted, medium
gray-brown; abundant root traces; occasionalslickenside3; coal streak at
854.411; clear lower contact with development of bedding (Paleosol B horizon,
not sampled with coal). |
|
856.71 |
859.29 |
2.58 |
Shale, medium gray; plant
fragments; roots; abrupt lower contact. |
|
859.29 |
861.66 |
2.37 |
Siltstone, light gray; clear
lower contact at sandstone streaks. |
|
861.66 |
863.89 |
2.23 |
Sandstone, shale streaks, light
gray; mostly fine grained with some medium grained zones; unit part of
fining-up sequence; medium gray shale streaks and thin beds up to 0.25'
thick; sandstone is mostly rippled laminated; abrupt lower contact at last
shale streak. |
|
863.89 |
874.22 |
10.33 |
Sandstone, cross bedded, light
gray; fine grained with few medium grained zones, fining-up overall; mostly
planar cross laminated, low to high angle; clear lower contact at grain size
change. |
|
874.22 |
877.25 |
3.03 |
Sandstone, light gray; medium
grained at base, to fine grained in top 0.50'; mostly planar laminations with
few, planar cross laminations; clear lower contact. |
|
877.25 |
878.34 |
1.09 |
Sandstone, bioturbated, light
gray; fine grained; slightly contorted bedding with few medium gray, shale
clasts and drapes; clear lower contact. |
|
878.34 |
882.67 |
4.33 |
Sandstone, light gray; fine to
medium grained; planar, to low angle, planar cross laminations, some
bi-directional; planar cross laminations from 881.2S'to base; abrupt lower
contact (sampled basal 0.10' with coal). |
|
|
Stockton A coal bed, 882.67 - 888.89 (6.22', parting= 3.99'),
Elv.= 641.33' |
|
882.67 |
882.99 |
0.32 |
Coal, impure?; mostly medium
bright clarain with few bright clarain streaks (sampled). |
|
882.99 |
883.77 |
0.78 |
Shale, carbonaceous, dark gray
with very thin coal streaks (sampled). |
|
883.77 |
884.45 |
0.68 |
Coal, clarain, bright clarain;
pyrite streaks and blebs; broken somewhat by drilling (sampled). |
|
884.45 |
884.56 |
0.11 |
Shale, carbonaceous, dark gray;
abrupt lower contact (sampled). |
|
884.56 |
884.62 |
0.06 |
Coal, clarain, bright clarain;
abrupt lower contact (sampled). |
|
884.62 |
884.71 |
0.09 |
Shale, carbonaceous, dark gray;
abrupt lower contact (sampled). |
|
884.71 |
884.77 |
0.06 |
Coal, clarain, bright clarain;
abrupt lower contact (sampled). |
|
884.77 |
886.73 |
1.96 |
Shale, rooted, medium gray;
rooted; with very fine grained, light gray, rooted, sandstone streaks; clear
lower contact at loss of sandstone streaks (sampled top 0.08' with coal). |
|
886.73 |
887.63 |
0.90 |
Shale, medium gray (not
sampled). |
|
887.63 |
887.78 |
0.15 |
Shale, black (sampled with coal
below). |
|
887.78 |
888.89 |
1.11 |
Coal, clarain, mostly bright
clarain; abrupt lower contact (sampled). |
|
888.89 |
890.00 |
1.11 |
Shale, dark gray; poorly bedded;
root traces; gradual lower contact with increasing sand content (sampled top
0.08' with coal). |
|
890.00 |
894.47 |
4.47 |
Sandstone, shale streaks, light
gray; fine grained; rooted; distorted bedding to 891.83'; mostly ripple
laminated; medium gray shale streaks throughout; abrupt lower contact. |
|
894.47 |
898.21 |
3.74 |
Shale, ironstone nodules, medium
gray; occasional, thin (<0.02'), ironstone bands and lenticular nodules;
noncalcareous; few, very thin, light gray, very fine grained, sandstone
streaks; clear lower contact. |
|
898.21 |
903.26 |
5.05 |
Shale, sandstone streaks, medium
gray, with light to medium gray, fine to very fine grained, sandstone
streaks, mostly planar and planar cross laminated with some ripple cross
laminated; burrows? at 900.42 and 902.15'; abrupt lower contact. |
|
903.26 |
906.07 |
2.81 |
Shale, coal streaks, medium
gray; abundant coal streaks, especially from top to 904.00'; also light gray
very fine grained, sandstone streaks, mostly planar cross laminated; abrupt
lower contact. |
|
906.07 |
913.38 |
7.31 |
Shale, medium gray; occasional,
thin, light gray, very fine grained, sandstone streaks; possible planar
burrows; sandstone streaks mainly planar laminated, ripple laminated from
912.00 to 912.20'; few, faint, coarse, ironstone streaks and lenses throughout;
gradual lower contact at appearance of sandstone streaks. |
|
913.38 |
915.58 |
2.20 |
Shale, medium gray with light
gray zone from 914.20 to 915.00'; few, faint, coarse, ironstone streaks and
irregular nodules throughout; abrupt lower contact (sampled basal 0.08' with
coal). |
|
|
Stockton coal bed, 915.58 -
922.09 (6.51', parting= 1.17'), Elv.=608.42' |
|
915.58 |
916.96 |
1.38 |
Coal, impure, hard; impure?
(sampled). |
|
916.96 |
918.00 |
1.04 |
Coal, clarain, bright clarain;
vitrain streaks; occasional pyrite (sampled) |
|
918.00 |
919.17 |
1.17 |
Claystone, rooted, medium to
dark gray; slickensides; gradual lower contact with development of bedding
(sampled top 0.10' with coal). |
|
919.17 |
921.00 |
1.83 |
Shale, medium to dark gray;
abrupt lower contact (not sampled). |
|
921.00 |
922.09 |
1.09 |
Coal, clarain, dull and bright
clarain; thick vitrain bands; abrupt lower contact (sampled). |
|
922.09 |
924.05 |
1.96 |
Shale, medium gray; poorly
bedded; abrupt lower contact at sandstone streaks (sampled top 0.10' with
coal). |
|
924.05 |
926.74 |
2.69 |
Shale, sandstone streaks, medium
gray; light gray, very fine grained, planar cross laminated, and planar
laminated sandstone streaks; some rippled streaks from 926.00 to 926.30';
distorted bedding from 925.75 to 926.00'; coal streaks at 925.13'; clear lower
contact. |
|
926.74 |
930.10 |
3.36 |
Sandstone, light gray; fine
grained; rippled laminated from top to 928.05 'with minor dark mineral or
mica streaks; rest mainly planar cross laminated to ripple cross laminated;
coal streaks and clasts from 929.45 to 929.93'; fine shale clasts from 929.93'
to base; abrupt, high angle lower contact. |
|
930.10 |
930.75 |
0.65 |
Sandstone, slumped, high angle
slump; planar to ripple cross laminated; light gray; fine grained with dark
shale or mica streaks; abrupt angular lower contact. |
|
930.75 |
931.50 |
0.75 |
Shale, medium gray; slumped
sandstone streaks from 931' to base; 0.05' diameter shale and ironstone?
pebbles in base; abrupt, high angle lower contact. |
|
931.50 |
932.59 |
1.09 |
Sandstone, shale, streaks, light
gray, fine grained, ripple cross laminated; medium gray shale streaks;
abrupt, high angle lower contact. |
|
932.59 |
933.85 |
1.26 |
Sandstone, cross bedded, light
gray; fining upward from fine to medium grained; mostly ripple to planar
cross laminated; few, very thin, coal streaks from 933.15 to 933.50'; abrupt
lower contact on grain size change. |
|
933.85 |
935.82 |
1.97 |
Sandstone, cross bedded, light
gray; fining up from medium to fine grained; slight change in angle and
direction of planar cross laminations; abrupt lower contact. |
|
935.82 |
936.65 |
0.83 |
Sandstone, coal streaks, light
gray; fine grained; mostly ripple laminated with very thin coal streaks and
medium gray shale streaks; clear lower contact at basal coal streak. |
|
936.65 |
937.90 |
1.25 |
Sandstone, shale streaks, light
gray; fine grained; ripple laminated; medium gray shale bands and streaks;
abrupt lower contact. |
|
937.90 |
939.19 |
1.29 |
Shale, silty, medium gray with
faint, light gray, very fine streaks; clear lower contact. |
|
939.19 |
943.08 |
3.89 |
Shale, medium gray to dark gray
in base; very uniform; abrupt lower contact. |
|
943.08 |
943.79 |
0.71 |
Shale, coal streaks, dark gray;
occasional coal streaks; clear lower contact (sampled basal 0.10' with coal). |
|
943.79 |
944.77 |
0.98 |
Shale and coal interlaminated,
medium to dark gray shale with thin coal bands up to 0.04' thick (sampled). |
|
|
Coalburg coal bed, upper split,
944.77 - 948.62 (3.85'), Elv.= 579.23' |
|
944.77 |
948.62 |
3.85 |
Coal, clarain, mostly bright
clarain with some dull bands; few pyrite streaks from top to 946.10'; abrupt
lower contact (sampled). |
|
948.62 |
953.66 |
5.04 |
Shale, medium gray; few, light
gray, very fine grained, sandstone streaks from 949.77' to base; clear lower
contact on basal sandstone streak (sampled top 0.05' with coal above). |
|
953.66 |
956.56 |
2.90 |
Shale, medium to dark gray; very
finely fissile; abrupt lower contact (sampled basal 0.09' with coal below). |
|
|
Coalburg coal bed, lower split,
956.56 - 960.76 (4.20', parting= 1.07'), Elv.= 567.44' |
|
956.56 |
956.73 |
0.17 |
Coal, clarain, bright clarain
(sampled). |
|
956.73 |
957.80 |
1.07 |
Shale, black, few, very thin
coal streaks in top 0.12'; clear lower contact (sampled). |
|
957.80 |
958.38 |
0.58 |
Coal, clarain, bright clarain;
abrupt lower contact (sampled). |
|
958.38 |
959.77 |
1.39 |
Coal, impure?; heavy to heft;
core more intact than other sections; abrupt lower contact (sampled). |
|
959.77 |
960.76 |
0.99 |
Coal, clarain, bright clarain;
abrupt lower contact (sampled). |
|
960.76 |
965.18 |
4.42 |
Claystone, rooted, medium gray
with dark gray to black root traces; gradual lower contact with loss of roots
and increasing development of bedding (sampled top 0.10' with above coal). |
|
965.18 |
966.32 |
1.14 |
Shale, medium gray; clear lower
contact on silt content. |
|
966.32 |
970.80 |
4.48 |
Shale, silty, medium gray; very
fine grained, medium gray, sandstone streaks, rippled from 967.77 to 968.77';
abrupt, angular lower contact. |
|
970.80 |
971.35 |
0.55 |
Sandstone, light gray; very fine
grained; ripple cross laminated; few, dark gray, shale streaks; clear lower
contact. |
|
971.35 |
972.38 |
1.03 |
Shale, sandy, medium gray;
micaceous; sandy; abrupt lower contact. |
|
972.38 |
973.23 |
0.85 |
Sandstone, light gray; fine to
very fine grained; ripple laminations; abrupt lower contact with grain size
and bedding change. |
|
973.23 |
978.40 |
5.17 |
Sandstone, cross bedded, light
gray; fine grained; high angle (about 15 degrees), planar cross laminations
with some zones showing laminations bounded by dark streaks about 0.02 to
0.031' thick; medium gray shale bands and clasts from 976.24 to 976.27'; abrupt
lower contact with bedding change. |
|
978.40 |
980.27 |
1.87 |
Sandstone, light gray; fine to
very fine grained; planar ripple laminations; abrupt lower contact. |
|
980.27 |
980.48 |
0.21 |
Shale, sandstone streaks, medium
gray; light gray, very fine grained, ripple laminations; abrupt lower
contact. |
|
980.48 |
989.95 |
9.47 |
Sandstone, light gray; fine
grained; mostly planar cross laminations but with some change in direction;
abrupt lower contact at coal streak. |
|
989.95 |
992.98 |
3.03 |
Sandstone, coal streaks, light
gray; fine grained; mostly planar cross laminations; few zones of thin coal
streaks with mica; some very fine grained zones; abrupt lower contact at
basal coal streak. |
|
992.98 |
995.73 |
2.75 |
Sandstone, cross bedded, light
gray; fine grained; planar cross laminations; abrupt lower contact at grain
size change. |
|
995.73 |
1006.82 |
11.09 |
Sandstone, cross bedded, light
gray; medium grained; few, medium gray, shale streaks and clasts from top to
997.90'; abrupt lower contact at coal streaks. |
|
1006.82 |
1011.50 |
4.68 |
Sandstone, coal streaks, light
gray; medium grained; planar ripple to ripple cross laminated; thin coal
streaks and small clasts throughout, especially abundant from 1009.90 to
1010.40'; few, medium gray, fine, shale clasts in basal 0.15'; abrupt lower contact. |
|
1011.50 |
1016.43 |
4.93 |
Sandstone, light gray; fine
grained; mostly planar laminated with some planar cross laminations; coal
streaks from 1014.00 to 1014.60' and from 1016.05 to 1016.30'; abrupt,
angular lower contact on coal (not sampled). |
|
|
Winifrede coal bed, 1016.43 -
1016.64 (0.21'), Elv.=507.57' |
|
1016.43 |
1016.64 |
0.21 |
Coal,
clarain, bright clarain; abrupt lower contact (sampled). |
|
1016.64 |
1017.19 |
0.55 |
Claystone, rooted, dark gray to
black; clear lower contact at sandstone (sampled top 0.07' with coal above). |
|
1017.19 |
1019.12 |
1.93 |
Shale, rooted, dark gray; light
gray, very fine grained, rooted, sandstone streaks; few, distinct, coarse,
ironstone nodules and bands from 1018AS to 1018.70'; abrupt lower contact at
sandstone streak. |
|
1019.12 |
1019.75 |
0.63 |
Shale, sandy, dark gray; abrupt
lower contact. |
|
1019.75 |
1022.00 |
2.25 |
Sandstone, light gray; fine
grained; abrupt lower contact at shale bands. |
|
1022.00 |
1024.62 |
2.62 |
Sandstone, shale, streaks, light
to medium gray; fine grained; locally abundant mica; planar laminations;
medium to dark gray shale streaks and bands up to 0.02' thick; high angle
fracture at 1023'; abrupt lower contact. |
|
1024.62 |
1027.72 |
3.10 |
Shale, sandstone streaks, medium
to dark gray; sandstone streaks are light gray, very fine grained, becoming
finer and less distinct to base; clear lower contact. |
|
1027.72 |
1033.21 |
5.49 |
Shale, ironstone nodules, medium
to dark gray; very uniform; few, faint, coarse, ironstone nodules and bands;
clear lower contact at sandstone streak. |
|
1033.21 |
1037.20 |
3.99 |
Shale, sandstone streaks, medium
gray; very occasional, very thin, light gray, very fine grained, sandstone
streaks; clear lower contact at basal sandstone streak. |
|
|
Winifrede Shale, 1037.20 - 1045.81 (8.61'), Elv.=486.80' |
|
1037.20 |
1045.05 |
7.85 |
Shale, fossiliferous, dark gray;
few, faint, bands of ironstone <0.021 thick; few marine fossils in basal
1.0 to 2.0'; abrupt lower contact. |
|
1045.05 |
1045.81 |
0.76 |
Shale, fossiliferous, medium
gray with abundant marine fossils including
brachiopods, pelecypods; fossils are strongly calcareous; abrupt lower
contact (not sampled). |
|
|
Clinton Rider coal bed 1045.81 -
1046.40 (0.59'), Elv.= 478.19' |
|
1045.81 |
1046.40 |
0.59 |
Coal, clarain (sampled). |
|
1046.40 |
1048.52 |
2.12 |
Claystone, rooted, medium gray;
clear lower contact at basal roots (not sampled). |
|
1048.52 |
1054.87 |
6.35 |
Shale, sandstone streaks, medium
gray; occasional, light gray, very fine grained, sandstone streaks and
laminations; occasional ironstone bands up to 0.02' thick. |
|
1054.87 |
1057.72 |
2.85 |
Sandstone, medium gray; very
fine grained; rippled and bi-directional planar cross laminations; abrupt
lower contact. |
|
1057.72 |
1061.08 |
3.36 |
Shale, sandstone streaks, medium
gray; light gray, fine grained, sandstone streaks; about 50/50 shale and
sandstone streaks; clear lower contact. |
|
1061.08 |
1063.91 |
2.83 |
Shale, ironstone, bands, medium
gray; few, faint, coarse, ironstone bands up to 0.02' thick; abrupt lower
contact (not sampled). |
|
|
Clinton coal bed, 1063.91-
1064.24 (0.33'), Elv.= 460.09' |
|
1063.91 |
1064.24 |
0.33 |
Coal, clarain; abrupt lower
contact (sampled). |
|
1064.24 |
1067.02 |
2.78 |
Shale, medium gray; abrupt lower
contact (not sampled). |
|
1067.02 |
1067.19 |
0.17 |
Coal, clarain (not sampled) |
|
1067.19 |
1067.49 |
0.30 |
Shale, carbonaceous, black (not
sampled). |
|
1067.49 |
1069.04 |
1.55 |
Claystone, rooted, medium gray
with abundant, dark gray to black,
root traces; abrupt lower contact (not sampled). |
|
1069.04 |
1069.33 |
0.29 |
Coal and shale interlaminated.
(not sampled). |
|
1069.33 |
1071.29 |
1.96 |
Shale, rooted, dark gray; poorly
bedded at top; few, faint, coarse, ironstone nodules in basal 0.20'; abrupt
lower contact at sandstone streaks (not sampled). |
|
1071.29 |
1075.60 |
4.31 |
Sandstone, shale streaks, light
gray; very fine grained; ripple laminated; rooted; dark gray shale streaks
increasing to base; few, faint, coarse, ironstone nodules and bands; abrupt
lower contact. |
|
1075.60 |
1077.20 |
1.60 |
Shale, ironstone nodules, dark
gray; many, faint, coarse, ironstone nodules and bands; clear lower contact. |
|
1077.20 |
1085.83 |
8.63 |
Shale, dark gray; few, thin,
sandstone streaks starting at 1078.70'; few, faint, coarse, ironstone nodules
below 1079.00'; compaction around nodules evident; less ironstone nodules in
base; abrupt lower contact (not sampled). |
|
|
Fireclay coal bed, 1085.83 -
1092.66 (6.83', parting= 2.27'), Elv.= 438.17' |
|
1085.83 |
1087.36 |
1.53 |
Coal, clarain, slightly broken
(sampled). |
|
1087.36 |
1087.64 |
0.28 |
Claystone, rooted (sampled). |
|
1087.64 |
1089.41 |
1.77 |
Coal, clarain; slightly broken;
occasional, thin (<0.01' thick), pyrite streaks at 1087.69' and 1090.20',
(sampled). |
|
1089.41 |
1089.58 |
0.17 |
Claystone, rooted, black;
abundant slickensides; broken; abrupt lower contact (not sampled). |
|
1089.58 |
1091.47 |
1.89 |
Shale, dark gray; very
occasional, very thin, very fine grained, sandstone streaks; clear lower
contact with coal (sampled basal 0.05' with coal below). |
|
1091.47 |
1091.91 |
0.44 |
Coal, clarain, bright clarain;
occasional pyrite streaks; broken by drilling (sampled). |
|
1091.91 |
1092.01 |
0.10 |
Shale, black, (sampled). |
|
1092.01 |
1092.66 |
0.65 |
Coal, clarain, bright clarain;
broken by drilling (sampled). |
|
1092.66 |
1093.47 |
0.81 |
Claystone, rooted, dark to
medium gray; badly broken by drilling; clear lower contact at color change
(sampled top 0.14' with coal above). |
|
1093.47 |
1095.69 |
2.22 |
Claystone, rooted, light gray;
clayey; crumbly in top 0.2l'; abundant pyrite from 1094.90 to 109S.20';
diffuse lower contact with increasing bedding development (not sampled). |
|
1095.69 |
1096.61 |
0.92 |
Shale, carbonaceous, black,
pyrite streaks, clear lower contact (not sampled). |
|
1096.61 |
1097.81 |
1.20 |
Shale, carbonaceous, black with
occasional, very thin, coal streaks; common, faint, fine, medium gray,
streaks and small clasts of clayey material; abrupt lower contact at coal
(sampled basal 0.06' with coal below). |
|
|
Unnamed coal bed,
1097.81-1098.51 (0.70'), Elv.= 426.19' |
|
1097.81 |
1098.51 |
0.70 |
Coal, clarain, bright clarain;
somewhat broken by drilling; possibly
impure; clear lower contact (sampled). |
|
1098.51 |
1101.87 |
3.36 |
Mudstone, rooted, medium to dark
gray with abundant, light gray, very fine grained, bioturbated (rooted?),
sandstone streaks; clear lower contact at bedding change (sampled top 0.10'
with coal above). |
|
1101.87 |
1106.20 |
4.33 |
Shale, bioturbated, dark gray;
abundant, light gray, very fine grained, bioturbated, sandstone streaks;
possible burrowing; abrupt lower contact at basal sandstone streak. |
|
1106.20 |
1109.16 |
2.96 |
Shale, medium gray; badly broken
by drilling; vertical fractures?; abrupt lower contact at sandstone streaks. |
|
1109.16 |
1109.75 |
0.59 |
Shale, burrowed, dark gray;
abundant, light gray, very fine grained, sandstone streaks; highly burrowed;
abrupt lower contact. |
|
1109.75 |
1111.74 |
1.99 |
Shale, dark gray; few, faint,
coarse ironstone nodules; abrupt lower contact. |
|
1111.74 |
1112.48 |
0.74 |
Shale, burrowed, dark gray;
highly burrowed; abundant, light gray, very fine grained, sandstone streaks;
ironstone nodules in top 0.15'; abrupt lower contact. |
|
1112.48 |
1113.50 |
1.02 |
Shale, dark gray; abrupt lower
contact on coal (sampled basal 0.14' with coal below). |
|
|
Cedar Groove coal bed, 1113.50 -
1114.25 (0.75'), Elv.= 410.50' |
|
1113.50 |
1114.25 |
0.75 |
Coal, clarain with pyrite lenses
in top 0.10'; dull band from 1113.91 to 1114.03'; abrupt lower contact
(sampled). |
|
1114.25 |
1115.60 |
1.35 |
Shale, rooted, silty; medium
gray; abrupt lower contact (sampled top 0.10' with coal above). |
|
1115.60 |
1117.17 |
1.57 |
Shale, light gray; becoming
sandy to base; abrupt lower contact. |
|
1117.17 |
1121.22 |
4.05 |
Shale, burrowed, dark gray;
abundant, light gray, very fine grained sandstone streaks, all burrowed;
abrupt lower contact at basal burrowing. |
|
1121.22 |
1131.51 |
10.29 |
Shale, medium gray; very
occasional, very thin, light gray, very fine grained sandstone streaks,
mostly absent below 1127.00'; abrupt lower contact at color change. |
|
1131.51 |
1136.24 |
4.73 |
Shale, ironstone nodules, light
gray; some clasts of overlying unit in top 0.15'; common, faint, coarse,
ironstone nodules and bands; coal streak at 1135.04'; abundant plant
pinnules; gradual lower contact; sandy in contact zone. |
|
1136.24 |
1136.41 |
0.17 |
Sandstone, bioturbated, light
gray; bioturbated; very fine grained; massive; abrupt lower contact. |
|
1136.41 |
1136.65 |
0.24 |
Sandstone, quartzose, very fine
grained; medium gray sand with thin streaks and distorted bands of very fine
grained, light gray, quartz sand; abrupt high angle lower contact. |
|
1136.65 |
1137.68 |
1.03 |
Sandstone, bioturbated, light
gray; very fine grained; massive; irregular lower contact with mixing of sand
and shale. |
|
1137.68 |
1138.00 |
0.32 |
Shale, bioturbated, medium gray;
break between sandstone; clear lower contact. |
|
1138.00 |
1139.16 |
1.16 |
Sandstone, bioturbated, light
gray; very fine grained; massive; churned;
clear lower contact. |
|
1139.16 |
1144.65 |
5.49 |
Shale, bioturbated, medium gray
shale streaks with light gray, very
fine grained, mostly ripple laminated, sandstone streaks; probably
rooted throughout; clear lower contact at ironstone band and decreasing
sandstone streaks. |
|
1144.65 |
1149.35 |
4.70 |
Shale, medium gray; few, thin,
light gray, very fine grained, sandstone streaks increasing upwards; few,
faint, coarse, ironstone nodules and bands; clear lower contact at basal
sandstone streak. |
|
1149.35 |
1163.04 |
13.69 |
Shale, ironstone nodules, medium
gray; very uniform; few, faint, coarse, nodules and bands of ironstone, very
weakly calcareous when scratched; less ironstone to base; abrupt lower
contact. |
|
|
Dingus Shale, 1163.04 - 1164.33
(1.29'), Elv.= 360.96' |
|
1163.04 |
1164.33 |
1.29 |
Shale, fossiliferous, light to
medium gray; calcareous marine fossils including brachiopods; also
bioturbated; sandy; abrupt lower contact on coal (sampled basal 0.21' with
coal below). |
|
|
Williamson coal bed, 1164.33 -
1164.75 (0.42'), Elv.= 359.67' |
|
1164.33 |
1164.75 |
0.42 |
Coal, clarain; impure in base;
abrupt lower contact (sampled). |
|
1164.75 |
1164.95 |
0.20 |
Shale, black; pyrite lenses;
clear lower contact (sampled with coal above). |
|
1164.95 |
1166.07 |
1.12 |
Shale, medium gray with coal
streak at 1165.59'; gradual lower contact with increasing sand (sampled top
0.08' with coal above). |
|
1166.07 |
1173.00 |
6.93 |
Shale, sandstone streaks, medium
gray; very thin, light gray, very fine grained, planar, ripple laminated
sandstone streaks; clear lower contact at basal sandstone streak. |
|
1173.00 |
1179.25 |
6.25 |
Shale, medium gray; few, very
thin, light gray, very fine grained, sandstone streaks; clear lower contact. |
|
1179.25 |
1186.92 |
7.67 |
Shale, burrowed, medium gray;
abundant, light gray, very fine grained, rippled, sandstone streaks;
sand-filled planar round burrows up to 0.01' diameter; clear lower contact
with increasing sand. |
|
|
Campbell Creek marine zone,
1186.92 - 1205.57 (18.65'), Elv.= 337.08' |
|
1186.92 |
1189.87 |
2.95 |
Sandstone, burrowed, light gray;
fine grained; mostly rippled but distorted; horizontal and vertical burrows;
some ironstone nodules showing compaction around them; abrupt lower contact. |
|
1189.87 |
1195.00 |
5.13 |
Shale, medium gray; few, very
thin, very fine grained, sandstone streaks; burrows from 1194.00' to base;
clear lower contact. |
|
1195.00 |
1196.90 |
1.90 |
Shale, burrowed, medium gray;
light gray, fine grained, rippled, sandstone streaks; many sand-filled
burrows; bedding Still somewhat intact; clear lower contact with increasing
sand. |
|
1196.90 |
1205.57 |
8.67 |
Sandstone, burrowed, light gray;
very fine grained; rippled laminations; medium gray shale streaks; bedding
mostly intact with abundant sand-filled burrows and general bioturbation;
abrupt lower contact. |
|
1205.57 |
1206.60 |
1.03 |
Sandstone, light gray; hard;
dense; fine to medium grained with strongly calcareous cement; massive in top
0.30' with distorted cross laminations to base; also sand-sized coal
fragments; very thin mica and coal streaks; clear lower contact at appearance
of calcareous cement. |
|
1206.60 |
1211.30 |
4.70 |
Sandstone, light gray; fine
grained; ripple to ripple cross laminated; abundant mica streaks and coaly
streaks; few, medium gray, shale clasts; abrupt lower contact. |
|
1211.30 |
1212.98 |
1.68 |
Shale, medium gray; few, very
thin, very fine grained, sandstone streaks; abrupt lower contact. |
|
1212.98 |
1214.20 |
1.22 |
Sandstone, shale streaks, light
to medium gray; fine to very fine grained; planar cross laminations;
occasional, medium gray, shale bands and streaks up to 0.02' thick; clear
lower contact with increasing sand. |
|
1214.20 |
1214.48 |
0.28 |
Shale, dark gray; abrupt lower
contact (not sampled). |
|
|
No. 2 Gas rider? coal bed,
1214.48 - 1214.80 (0.32'), Elv.= 309.52' |
|
1214.48 |
1214.55 |
0.07 |
Coal, impure (not sampled). |
|
1214.55 |
1214.72 |
0.17 |
Pyrite nodule with coal streaks;
clayey, abrupt lower contact (not sampled). |
|
1214.72 |
1214.80 |
0.08 |
Coal, impure (not sampled). |
|
1214.80 |
1216.55 |
1.75 |
Claystone, rooted, light
gray-brown; abundant root traces; gradual lower contact on color and bedding
change (not sampled). |
|
1216.55 |
1219.00 |
2.45 |
Shale, medium gray; rooted in
top; light gray, very fine grained, rippled, sandstone streaks from 1217.45
to 1218.35'; abrupt lower contact with coal (sampled basal 0.02' with coal
below). |
|
|
No. 2 Gas coal bed, 1219.00 -
1223.46 (4.46', parting= 2.79'), Elv.= 305.00' |
|
1219.00 |
1219.21 |
0.21 |
Coal, (sampled). |
|
1219.21 |
1219.38 |
0.17 |
Coal, dull band (sampled). |
|
1219.38 |
1220.21 |
0.83 |
Coal, clarain, bright clarain
(sampled). |
|
1220.21 |
1222.03 |
1.82 |
Claystone, rooted, black in top
0.03', rest medium gray; slickensides; clear lower contact with increasing
bedding development (sampled top 0.18' with coal above). |
|
1222.03 |
1223.00 |
0.97 |
Shale, medium gray; poorly
bedded in top; abrupt lower contact (sampled basal 0.06' with coal below). |
|
1223.00 |
1223.46 |
0.46 |
Coal, (sampled). |
|
1223.46 |
1223.67 |
0.21 |
Shale, dark gray, black in top
by coal; abrupt lower contact (sampled top 0.17' with coal above). |
|
1223.67 |
1226.37 |
2.70 |
Sandstone and shale interbedded,
Sandstone; light gray; fine grained; top 0.40, massive, rest planar ripple
laminated; medium gray shale zones/beds up to 0.10' thick; clear lower
contact (not sampled). |
|
1226.37 |
1228.81 |
2.44 |
Shale, medium gray (not
sampled). |
|
1228.81 |
1229.06 |
0.25 |
Coal, (not sampled). |
|
1229.06 |
1231.73 |
2.67 |
Claystone, rooted, light gray;
becoming sandy at 1230.00'; clear
lower contact at bedding change (not sampled). |
|
1231.73 |
1235.52 |
3.79 |
Sandstone, shale streaks, light
gray; very fine grained; ripple laminated; medium gray shale streaks;
vertical fractures; abrupt lower contact. |
|
1235.52 |
1235.93 |
0.41 |
Shale, medium gray; vertical
fractures; abrupt lower contact. |
|
1235.93 |
1243.85 |
7.92 |
Sandstone, shale streaks, light
gray; very fine grained; mostly ripple laminated; medium gray shale streaks
and thin beds up to 0.02' thick; few root traces and burrows(?); abrupt lower
contact. |
|
1243.85 |
1247.90 |
4.05 |
Shale, medium gray; broken
slickensided pieces from 1246.10 to 1247.15'. |
|
|
Marine zone ? 1247.90 - 1254.78
(6.88') |
|
1247.90 |
1251.53 |
3.63 |
Sandstone, bioturbated, light
gray; fine grained; bedding greatly distorted, probably from rooting; medium
gray shale streaks throughout; few, distinct, medium to coarse, ironstone
nodules throughout; possible burrows also; gradual lower contact. |
|
1251.53 |
1253.28 |
1.75 |
Shale, bioturbated, medium gray;
sandy, vertical fractures; gradual lower contact. |
|
1253.28 |
1254.78 |
1.50 |
Sandstone, bioturbated, light to
medium gray; fine grained; abundant,
medium gray, shale streaks; highly bioturbated, probably burrows;
increasing shale to base; clear lower contact. |
|
1254.78 |
1256.38 |
1.60 |
Shale, sandstone streaks, medium
gray; light gray, very fine grained, rippled, sandstone streaks increasing in
amount to top; clear lower contact. |
|
1256.38 |
1263.17 |
6.79 |
Shale, medium gray to dark
gray-black in basal 1.0'; vertical fractures and broken from 1261.00 to base;
abrupt lower contact. |
|
1263.17 |
1263.31 |
0.14 |
Sandstone, light to medium gray;
very fine grained; slightly ripple laminated (not sampled). |
|
|
Powellton coal bed, 1263.31 -
1263.45 (0.14'), Elv.= 260.69' |
|
1263.31 |
1263.45 |
0.14 |
Coal, (not sampled). |
|
1263.45 |
1265.56 |
2.11 |
Claystone, rooted, light gray in
top 0.20' grading to medium gray; few, faint, medium to coarse, ironstone
nodules from 1265.00' to base; abrupt lower contact (not sampled). |
|
1265.56 |
1268.12 |
2.56 |
Sandstone, shale streaks, light
gray; fine grained; ripple laminated; medium gray shale streaks up to 0.02'
thick and one 0.15' bed; abrupt lower contact. |
|
1268.12 |
1268.65 |
0.53 |
Shale, medium gray; clear lower
contact. |
|
1268.65 |
1269.00 |
0.35 |
Claystone, rooted, light to
medium. gray; clear lower contact. |
|
1269.00 |
1270.10 |
1.10 |
Shale, medium gray; clear lower
contact. |
|
1270.10 |
1270.47 |
0.37 |
Sandstone, medium gray; massive;
very fine grained; abrupt, angular lower contact. |
|
1270.47 |
1274.10 |
3.63 |
Shale, medium gray; abrupt lower contact. |
|
1274.10 |
1274.93 |
0.83 |
Sandstone, cross bedded, light
gray; fine grained; ripple cross laminated; clear lower contact. |
|
1274.93 |
1278.90 |
3.97 |
Shale, sandstone streaks, medium
gray; few, light gray, very fine grained, ripple cross laminated, sandstone
streaks, especially abundant from 1275.90 to 1276.30'; abrupt lower contact. |
|
1278.90 |
1280.27 |
1.37 |
Sandstone, cross bedded, light
gray; fine grained; ripple cross laminated; zone of planar cross laminations
from 1279.40 to 1280.00'; abrupt lower contact. |
|
1280.27 |
1282.60 |
2.33 |
Shale, sandstone streaks, medium
gray; light gray, very fine grained, ripple cross laminated sandstone
streaks; vertical fracture from 1290.80' to base; clear lower contact with
increase in sand below. |
|
1282.60 |
1285.10 |
2.50 |
Sandstone and shale interbedded,
light gray; fine grained; ripple cross laminations with interlaminated shale
beds up to 0.03' thick and shale streaks; abrupt lower contact at lowermost
shale band. |
|
1285.10 |
1286.65 |
1.55 |
Sandstone, cross bedded, light
gray; very fine grained; ripple cross laminated; shale clasts in basal 0.50';
clear lower contact. |
|
1286.65 |
1288.35 |
1.70 |
Sandstone, cross bedded, light
gray; fine grained; ripple laminated; coaly, mica streaks in top 0.2S';
abrupt lower contact at calcareous cement. |
|
1288.35 |
1289.63 |
1.28 |
Sandstone, calcareous, light
gray-brown; fine grained; massive; calcareous cement with calcite on vertical
fractures; abrupt lower contact. |
|
1289.63 |
1293.96 |
4.33 |
Sandstone cross bedded, light
gray; fine grained; ripple laminated; clear lower contact. |
|
1293.96 |
1294.84 |
0.88 |
Sandstone, slumped, light gray;
fine grained; very high angle cross bedding and some distorted bedding;
medium gray shale clasts in base; abrupt lower contact. |
|
1294.84 |
1300.36 |
5.52 |
Shale, ironstone nodules, medium
gray; few, faint, coarse, ironstone nodules; few, thin, sandstone streaks;
plant pinnules. |
|
1300.36 |
1300.63 |
0.27 |
CORE LOSS |
|
1300.63 |
1300.84 |
0.21 |
Shale, medium gray; broken in
drilling (sampled basal 0.10' with coal below). |
|
|
Eagle coal bed, 1300.84 -
1301.43 (0.59'), Elv= 223.16' |
|
1300.84 |
1301.43 |
0.59 |
Coal, clarain, bright clarain;
broken by drilling; possible loss (sampled). |
|
1301.43 |
1302.32 |
0.89 |
Claystone, rooted, medium gray;
abrupt lower contact (sample top 0.10' with coal above). |
|
1302.32 |
1308.85 |
6.53 |
Sandstone, rooted, light gray;
fine grained; planar laminations and ripple laminations; bedding distorted by
rooting, decreasing to base; gradual lower contact with decreased distortion
to bedding. |
|
1308.85 |
1313.46 |
4.61 |
Sandstone, cross bedded, light
gray; fine to medium grained; planar cross laminations; abrupt lower contact. |
|
1313.46 |
1318.65 |
5.19 |
Shale, sandstone streaks, medium
gray; few, light gray, very fine grained, very thin, sandstone streaks,
increasing upward; clear lower contact at basal sandstone streak. |
|
1318.65 |
1325.94 |
7.29 |
Shale, medium gray; sandy; hard,
especially to base; clear lower contact at sandstone streaks. |
|
1325.94 |
1326.55 |
0.61 |
Shale, sandstone streaks, medium
gray shale; light gray, fine grained; ripple and ripple cross laminated,
sandstone streaks; part of fining upward sequence; abrupt lower contact. |
|
1326.55 |
1329.52 |
2.97 |
Sandstone, cross bedded, light
gray; medium grained; abrupt lower contact at grain size change. |
|
1329.52 |
1333.07 |
3.55 |
Sandstone, coal streaks, light
gray; fine grained; mostly ripple cross laminated; few, very thin, micaceous,
coal streaks; abrupt, high angle, lower contact. |
|
1333.07 |
1333.47 |
0.40 |
Shale, coal streaks, dark gray;
clayey; poorly bedded; few, thin, coal streaks, especially at base; abrupt,
irregular, lower contact. |
|
1333.47 |
1333.62 |
0.15 |
Sandstone, light gray; very fine
grained; a thin lens; abrupt lower contact. |
|
1333.62 |
1334.78 |
1.16 |
Shale, dark gray; poorly bedded;
slickensided; slumped; irregular lenses of light gray, medium grained
sandstone; abrupt lower contact. |
|
1334.78 |
1336.58 |
1.80 |
Shale, sandstone streaks, medium
gray; silty; light gray, fine grained, sandstone streaks; high angle, planar,
cross laminations to 1335.33', low angle to base; abrupt lower contact. |
|
1336.58 |
1338.00 |
1.42 |
Shale, slumped, medium gray;
silty; sandy; very high angle (45 degrees), light gray, fine grained,
sandstone streaks, especially distorted in basal half; abrupt, angular, lower
contact. |
|
1338.00 |
1344.36 |
6.36 |
Sandstone, light gray; medium
grained; massive; fining upward; abrupt lower contact on grain size change. |
|
1344.36 |
1345.10 |
0.74 |
Sandstone, light gray; medium to
coar3e grained; bi-directional, planar, cross laminations to massive; abrupt
lower contact on grain size change. |
|
1345.10 |
1345.70 |
0.60 |
Sandstone, light gray; fine to
medium grained; planar laminations to planar cross laminations; abrupt lower
contact on grain size change. |
|
1345.70 |
1352.92 |
7.22 |
Sandstone, light gray; medium to
coarse grained; interbedded, planar cross laminations and massive; medium
gray shale and ironstone clasts from 1352.15 to 1352.52'; abrupt, angular,
lower contact. |
|
1352.92 |
1359.97 |
7.05 |
Shale, medium gray;
slickensided; few, faint, medium to coarse, ironstone nodules; clear lower
contact at sandstone streaks. |
|
1359.97 |
1364.00 |
4.03 |
Sandstone, slumped, overall,
homogenized medium gray; light gray, fine grained, planar cross laminations;
medium gray shale streaks; all distorted, slumped with common micro-faulting;
increasing shale to base; abrupt lower contact at basal sandstone streak. |
|
1364.00 |
1364.95 |
0.95 |
Shale, medium to dark gray;
abundant slickensides; very broken into small fragments, especially at base;
abrupt lower contact. |
|
|
Position of the Middle War Eagle
coal bed, Elv.= 159.05' |
|
1364.95 |
1364.95 |
0.00 |
Coal, not present. |
|
1364.95 |
1365.70 |
0.75 |
Claystone, rooted, light
gray-brown; abundant root traces; clear lower contact at sandstone streak. |
|
1365.70 |
1366.83 |
1.13 |
Sandstone, shale streaks, light
gray; very fine grained; planar ripple laminations with streaks of claystone
(above unit) in top; shale streaks in basal 0.30'; clear lower contact. |
|
1366.83 |
1368.68 |
1.85 |
Shale, sandstone streaks, medium
gray; few, very thin, very fine grained, light gray, sandstone streaks; clear
lower contact. |
|
1368.68 |
1378.49 |
9.81 |
Sandstone and shale interbedded,
light gray; very fine grained; ripple laminations; medium gray shale streaks
and laminations - "tiger striped"; some zones of soft sediment
deformation; clear lower contact with upward increasing sand and decreasing
shale. |
|
1378.49 |
1381.30 |
2.81 |
Shale, sandstone streaks, medium
to dark gray; few, light gray, fine grained, rippled sandstone streaks;
abrupt lower contact. |
|
1381.30 |
1385.36 |
4.06 |
Sandstone, burrowed, light gray;
fine grained; ripple laminations; interlaminated medium gray shale; some
round, mostly planar burrows, especially from 1383.80' to base; abrupt lower
contact. |
|
1385.36 |
1414.95 |
29.59 |
Shale, medium gray; very
uniform; occasional, light gray, very fine grained, very thin, discontinuous
sandstone streaks; few, faint, ironstone bands up to 0.07' thick; silty to
base; some burrows evident in sandstone streaks below 1402.00'; badly broken around
vertical fractures from 1412.80' to base; abrupt lower contact. |
|
1414.95 |
1419.23 |
4.28 |
Sandstone, burrowed, light gray;
very fine grained; rippled laminations; medium gray shale laminations and
streaks; common sand-filled burrows, especially below 1416.00'; increased
bioturbation below 1416.00'; abrupt lower contact. |
|
1419.23 |
1422.13 |
2.90 |
Shale, medium gray; occasional,
light gray, very fine grained, very thin, discontinuous, rippled, sandstone
streaks; clear lower contact at burrows. |
|
1422.13 |
1427.51 |
5.38 |
Shale, burrowed, medium gray;
few, light gray, very fine grained, sand-filled burrows and discontinuous
streaks; large ironstone nodules from 1427.32 to 1427.45'; abrupt lower
contact with sandstone band at base. |
|
1427.51 |
1432.60 |
5.09 |
Shale, medium gray; very
uniform; plant stems; becoming silty, sandy to base; clear lower contact at
sandstone streaks. |
|
1432.60 |
1433.78 |
1.18 |
Shale, sandstone streaks, medium
gray; sandy; faint, medium gray, very fine grained, rippled, sandstone
streaks; abrupt lower contact. |
|
1433.78 |
1437.38 |
3.60 |
Sandstone, light gray; fine
grained; mostly ripple laminated; few, medium to dark gray, shale bands up to
0.02' thick, from top to 143S.67'; common mica streaks; clear lower contact
at bedding and mineralogy change. |
|
1437.38 |
1439.22 |
1.84 |
Sandstone, cross bedded, light
gray; fine grained; mica streaks; mostly ripple cross laminated; increasing
quartz content to base; abrupt lower contact at basal 0.03' thick shale band. |
|
1439.22 |
1439.34 |
0.12 |
Sandstone, quartzose, light gray
to white; fine to medium grained; still some accessory minerals; abrupt lower
contact. |
|
1439.34 |
1443.53 |
4.19 |
Sandstone, light gray; fine
grained; ripple to ripple cross laminations; mica streaks; moderately clean
with minor accessory minerals; cleaner with stylolites from 1442.50' to base;
abrupt lower contact. |
|
1443.53 |
1444.31 |
0.78 |
Sandstone, light to medium gray;
fine to very fine grained; medium to dark gray shale streaks; abrupt lower
contact at basal shale streak. |
|
1444.31 |
1451.43 |
7.12 |
Sandstone, quartzose, light
gray; fine grained; mostly massive to rippled; common stylolites; thin coaly
streaks from 1451.00' to base; abrupt lower contact. |
|
1451.43 |
1451.90 |
0.47 |
Sandstone, shale clasts, light
gray; fine grained; quartzose; medium gray shale clasts and streaks; one
large, angular, shale clast from 1451.60 to 1451.70'; clear lower contact at
basal shale streak. |
|
1451.90 |
1455.94 |
4.04 |
Sandstone, light gray; medium
grained; fairly quartzose; minor accessory minerals; cleaner to base; few,
thin, coal streaks throughout; abrupt, irregular lower contact. |
|
1455.94 |
1485.64 |
29.70 |
Sandstone, shale streaks, light
gray; fine grained; ripple laminated; common, medium gray, shale laminations
up to 0.02' thick and rippled shale streaks; abundant, small shale clasts in
top 0.25' and from 1490.05 to 1459.25', from 1476.90 to 1477.31', from
1477.82 to 1477.90', from 1480.32 to 1480.44', from 1480.72 to 1480.88', from
1482.16 to 1482.501, from 1483.33 to 1483.37', and in basal 0.07'; abrupt
lower contact. |
|
1485.64 |
1486.40 |
0.76 |
Sandstone, light gray; medium
grained; few, fine, ironstone pebbles; slightly clean; abrupt lower contact
on grain size change. |
|
1486.40 |
1486.80 |
0.40 |
Sandstone, light gray; fine
grained; slightly inclined, planar laminations; abrupt lower contact. |
|
1486.80 |
1488.05 |
1.25 |
Sandstone, conglomerate, light
gray; medium grained; abundant, ironstone pebbles and clasts; some fine
grained, medium gray, sandstone pebbles and clasts; one coal streak; one zone
with gas emissions; clear lower contact. |
|
1488.05 |
1489.17 |
1.12 |
Sandstone, shale clasts, light
gray; fine grained; abundant, medium gray, shale clasts; clear lower contact. |
|
1489.17 |
1490.45 |
1.28 |
Sandstone, light gray; fine
grained; massive; zones of fine, ironstone pebbles and clasts from 1489.40 to
1489.60', and from 1490.23' to base; clear lower contact. |
|
1490.45 |
1491.14 |
0.69 |
Sandstone, conglomerate, light
gray; medium grained; abundant, ironstone pebbles, shale clasts and pebbles;
few, fine grained, sandstone clasts; abrupt lower contact. |
|
1491.14 |
1491.58 |
0.44 |
Sandstone, light gray; very fine
grained; planar cross laminations; abrupt, angular lower contact. |
|
1491.58 |
1492.37 |
0.79 |
Sandstone, shale clasts, light
gray; medium grained; medium gray, shale clasts; few ironstone clasts; abrupt
lower contact. |
|
1492.37 |
1494.00 |
1.63 |
Sandstone, light gray; fine
grained; large shale pebble from 1493.30 to 1493.58', discontinuous across
core; few shale and ironstone clasts and pebbles in basal 0.20'; abrupt lower
contact. |
|
1494.00 |
1495.11 |
1.11 |
Sandstone, cross bedded, light
gray; fine grained; planar cross laminations; abrupt lower contact. |
|
1495.11 |
1495.50 |
0.39 |
Sandstone, conglomerate, light
gray; medium grained; abundant shale pebbles and clasts; abrupt lower
contact. |
|
1495.50 |
1497.90 |
2.40 |
Shale, dark gray; abrupt lower
contact. |
|
1497.90 |
1501.53 |
3.63 |
Shale, sandy, medium gray; few,
very thin, light gray, very fine grained, rippled, slightly inclined,
sandstone streaks; clear lower contact at basal sandstone streak. |
|
1501.53 |
1506.65 |
5.12 |
Shale, ironstone nodules, medium
gray; few, faint, bands of ironstone up to 0.18' thick; few plant stems;
abrupt, angular lower contact. |
|
1506.65 |
1508.33 |
1.68 |
Sandstone, medium gray; very
fine grained; rooted in top; abrupt lower contact. |
|
1508.33 |
1508.74 |
0.41 |
Sandstone, quartzose, light gray
to white; hard; fine grained; abrupt lower contact. |
|
1508.74 |
1509.90 |
1.16 |
Sandstone, light to medium gray;
very fine grained; streaks of clean sandstone; soft sediment deformation(?)
from 1509.12 to 1509.55'; abrupt, angular lower contact. |
|
1509.90 |
1512.33 |
2.43 |
Sandstone, quartzose, light gray
to white; fine grained; ripple and ripple cross laminations; mostly quartz
grains with minor dark mineral grains and mica; hard; slump planes,
micro-faulting in basal 0.40'; abrupt, angular lower contact. |
|
1512.33 |
1513.17 |
0.84 |
Sandstone, shale streaks, light
gray; very fine grained; rippled sandstone streaks, some quartzose; medium
gray and light gray-brown shale streaks; clear lower contact. |
|
1513.17 |
1518.48 |
5.31 |
Sandstone, shale streaks, light
gray; very fine grained; ripple laminations with interlaminated, medium gray
shale; some sandstone laminations are very discontinuous; possible planar
burrows from 1516.00' to base; clear lower contact at basal sandstone streak. |
|
1518.48 |
1521.63 |
3.15 |
Shale, dark gray; very uniform;
no plants seen; abrupt lower contact at sandstone streak. |
|
1521.63 |
1522.83 |
1.20 |
Shale, sandstone streaks, medium
gray; few, light to medium gray, very fine grained, sandstone streaks;
bioturbated - rooted?, burrowed?; abrupt lower contact at basal sandstone
streak. |
|
1522.83 |
1525.81 |
2.98 |
Shale, ironstone nodules, medium
gray; common ironstone bands up to thick, few nodules; abrupt lower contact. |
|
1525.81 |
1526.06 |
0.25 |
Sandstone, bioturbated, medium
gray; very fine grained; rooted?; abrupt lower contact. |
|
1526.06 |
1527.00 |
0.94 |
Shale, medium to dark gray; few,
faint, thin (<0.02'), ironstone bands; clear lower contact. |
|
|
Marine zone?, 1527.00 - 1529.37
(2.37'), Elv.= -3.00' |
|
1527.00 |
1529.37 |
2.37 |
Shale, fossiliferous, medium
gray; few, faint, ironstone bands; small pelecypods and possible gastropods,
possibly extending into shale above and below; clear lower contact to last
fossil observed. |
|
1529.37 |
1534.85 |
5.48 |
Shale, medium gray with light
gray streaks; ironstone bands; no fossils seen; very thin, very fine grained,
sandstone streaks from 1532.80 to 1534.00'; clear lower contact. |
|
1534.85 |
1537.06 |
2.21 |
Shale, silty, light to medium
gray; zones of 1-2 mm sized siderite pellets; sandy streak zone from 1536.60
to 1536.70'; abrupt lower contact. |
|
1537.06 |
1541.17 |
4.11 |
Sandstone, rooted, light gray;
very fine grained; silty; rooted to about 1540.00', less so below; some
white, cleaner streaks; diffuse lower contact with loss of rooting and
increasing amount of shale. |
|
1541.17 |
1544.25 |
3.08 |
Shale, sandy, light to medium
gray; sandy and silty; diffuse lower contact at discernible sandstone streak. |
|
1544.25 |
1557.25 |
13.00 |
Shale, sandstone streaks, light
to medium. gray; sandy; light gray to white, very fine grained, rippled and
ripple cross laminated, sandstone streaks, some slightly clean; very high
angle, possibly slumped laminations from 1550.00 to 1550.85'; rooted from
1551.00' to base; highly rooted from ISS6.00'to base; clear lower contact. |
|
1557.25 |
1558.00 |
0.75 |
Sandstone, shale streaks, light
gray; very fine grained; rippled, bioturbated; medium gray, shale bands and
streaks; clear lower contact. |
|
1558.00 |
1562.73 |
4.73 |
Shale, sandstone streaks, medium
gray; sandy; light gray to white, very fine grained, sandstone streaks; white
zones are clean quartz; soft sediment deformation or bioturbation below
1559.00'; abundant coal streaks and clasts from 1561.63 to 1562.52'; increasing
sand to base; abrupt lower contact. |
|
1562.73 |
1564.16 |
1.43 |
Sandstone, shale streaks, thin,
light gray, very fine grained, ripple laminated sandstone with
interlaminated, dark gray shale; bioturbated, probably rooted; sandstone
streaks not as evident in basal 0.30'; abrupt lower contact (sampled basal
0.10' with coal below). |
|
|
Sewell coal bed, 1564.16 -
1565.60 (1.44'), Elv.= -40.16' |
|
1564.16 |
1565.60 |
1.44 |
Coal, clarain, bright clarain;
gas bubbles from cleat and bedding; broken along cleat (sampled). |
|
1565.60 |
1569.82 |
4.22 |
Sandstone, rooted, light gray;
very fine grained; fining-up; laminations destroyed from top to about
1568.00'; ripple laminations evident from 1568.00' to base, but still rooted;
abrupt lower contact (sampled top 0.06 with coal above). |
|
1569.82 |
1576.62 |
6.80 |
Shale, medium to dark gray; very
few, very thin, light gray, very fine grained, sandstone streaks; few, faint,
coarse, ironstone nodules in top to 1571.02'; clear lower contact at
sandstone streaks. |
|
1576.62 |
1578.83 |
2.21 |
Shale, sandstone streaks, medium
to dark gray; light gray, very fine grained, slightly ripple laminated,
sandstone streaks; some burrowing(?) evident in sandstone streaks; abrupt
lower contact. |
|
1578.83 |
1581.00 |
2.17 |
Sandstone, silty, light to
medium gray; massive; burrowed in top 0.10'; rooted. |
|
1581.00 |
1583.08 |
2.08 |
Shale, silty, medium gray; few
sandstone streaks; roots, plant pinnules; clear lower contact. |
|
1583.08 |
1588.83 |
5.75 |
Shale, sandstone streaks, medium
gray; light gray, very fine grained, high angle, rippled, sandstone streaks,
slumped to 1585.20'; mostly low angle, ripple cross laminations from 1585.20'
to base; abrupt lower contact at basal sandstone streak. |
|
1588.83 |
1590.86 |
2.03 |
Shale, ironstone nodules, medium
gray; few, faint, coarse, ironstone nodules and bands; abrupt lower contact. |
|
1590.86 |
1592.92 |
2.06 |
Sandstone, silty, medium gray;
very fine grained; mostly ripple laminated; clear lower contact. |
|
1592.92 |
1594.34 |
1.42 |
Shale, medium gray; abrupt lower
contact (sampled basal 0.10' with coal below). |
|
|
Unnamed coal bed, 1594.34 -
1596.46 (2.12', parting= 1.35'), Elv.= -70.34' |
|
1594.34 |
1594.89 |
0.55 |
Coal, clarain, bright clarain;
badly broken when removed from core barrel with water; stratigraphy
uncertain; abrupt lower contact (sampled). |
|
1594.89 |
1594.93 |
0.04 |
Shale, black (sampled). |
|
1594.93 |
1595.00 |
0.07 |
Coal, clarain, bright clarain;
partially lost; bottom broken, uncertain (sampled). |
|
1595.00 |
1595.97 |
0.97 |
Shale, medium to dark gray;
badly broken at top by drilling, contact with coal uncertain; abrupt lower
contact (not sampled). |
|
1595.97 |
1596.31 |
0.34 |
Shale, coal streaks, black;
coaly (not sampled). |
|
1596.31 |
1596.46 |
0.15 |
Coal, clarain, bright clarain;
some vitrain; probably impure in the top; abrupt lower contact (not sampled). |
|
1596.46 |
1597.30 |
0.84 |
Shale, dark gray, few thin coal
streaks, clear lower contact (not sampled). |
|
1597.30 |
1601.17 |
3.87 |
Shale, sandstone streaks, medium
gray; sandy, silty; few ironstone nodules; light gray, very thin, very fine
grained, bioturbated, sandstone streaks, becoming ripple cross laminated
below 1600.00'; coal streak at 1598.25'; clear lower contact at basal sandstone
streak. |
|
1601.17 |
1607.18 |
6.01 |
Shale, coal streaks, medium to
dark gray; moderately abundant coal streaks and spars up to 0.02' thick;
clear lower contact with upward decrease in coal streaks. |
|
1607.18 |
1625.37 |
18.19 |
Shale, coal streaks, dark gray;
abundant coal streaks and clasts, more than above, especially abundant from
1610.00 to 1611.40'; large pyrite nodule at 1608.60'; plant material
throughout; unit badly broken by drilling; vertical fracturing and broken from
1617.80 to 1619.30'; very few coal streaks below 1619.50'; abrupt lower
contact. |
|
1625.37 |
1630.00 |
4.63 |
Siltstone, rooted, light to
medium gray; sandy; massive; fine grained to base; clear lower contact. |
|
1630.00 |
1630.13 |
0.13 |
Shale, light to medium gray;
dark gray to black streaks and bands; abrupt lower contact (Paleosol A
horizon). |
|
1630.13 |
1633.18 |
3.05 |
Claystone, rooted, light gray to
brown; slightly bedded in top 0.20', rest massive; slickensided; diffuse
lower contact with increasing sand and bedding (Paleosol B horizon). |
|
1633.18 |
1635.20 |
2.02 |
Shale, silty, light to medium
gray; sandy, silty; poorly bedded; zones of mm-sized siderite(?) pellets;
abrupt lower contact. |
|
1635.20 |
1637.54 |
2.34 |
Sandstone, light gray; very fine
grained; ripple and ripple cross laminations; shale bed from 1637.2S to
1637.45'; abrupt lower contact. |
|
1637.54 |
1638.74 |
1.20 |
Shale, medium gray at top to
dark gray at base; bands of very fine, ironstone(?) pellets to 1637.93';
abrupt lower contact. |
|
1638.74 |
1642.60 |
3.86 |
Claystone, rooted, medium
gray-brown; abundant root traces; broken; abundant, small slickensides; plant
trash; clear lower contact with increasing bedding. |
|
1642.60 |
1645.42 |
2.82 |
Shale, medium to dark gray;
increasing fissility to base; occasional, small, poorly developed
slickensides; occasional plant fragments; 3ideritic zone from 1643.23 to
1643.47'and 1544.2S to 1644.50'; occasional, dark clay streak; clear lower
contact. |
|
1645.42 |
1646.75 |
1.33 |
Shale, sandstone streaks, medium
to dark gray; light gray, very fine grained, rippled, sandstone streaks;
possible, occasional bioturbation; sand decreases to base; occasional lycopod
stems on bedding planes; clear lower contact. |
|
1646.75 |
1647.37 |
0.62 |
Shale, medium to dark gray;
abundant plant trash and fragments, not easily identifiable; abrupt lower
contact. |
|
1647.37 |
1651.17 |
3.80 |
Claystone, rooted, dark gray;
abundant, well developed, slickensides; very broken from drilling from
1648.50 to 1649.90'; abrupt lower contact. |
|
1651.17 |
1666.30 |
15.13 |
Siltstone and sandstone
interbedded, light to medium gray; planar laminated sandstone streaks; very
occasional, poorly preserved, plant fragments; well preserved calamite stems
on bedding planes to base; angled to vertical fractures at 1662.70 and 166S.50';
less sandy to base. |
|
1666.30 |
1675.13 |
8.83 |
Siltstone and sandstone
interbedded, medium gray; sandstone, light to medium gray, very fine grained,
beds < 0.5' thick; occasional zones of soft sediment deformation;
increasing sand to base; abrupt lower contact. |
|
1675.13 |
1676.40 |
1.27 |
Sandstone, light gray; fine
grained; low angle, planar cross laminations; occasional shale rip-ups <
0.07' thick; abrupt, angular, lower contact, about 45 degrees. |
|
1676.40 |
1677.50 |
1.10 |
Sandstone, light gray; very fine
grained; mixed with dark gray siltstone, possibly slumped; shale rip-ups; low
angle, ripple cross laminations and planar cross laminations to base; abrupt,
angular lower contact. |
|
1677.50 |
1679.79 |
2.29 |
Sandstone, light gray; fine
grained; abundant, small trough beds; abrupt lower contact. |
|
1679.79 |
1680.14 |
0.35 |
Siltstone and sandstone
interbedded, medium to dark gray; more a zone of mixing than distinct
lithologies; sandstone occurs as <0.07' round blebs within the 3ilt3tone
matrix; possibly soft sediment deformation; abrupt lower contact. |
|
1680.14 |
1680.90 |
0.76 |
Sandstone, light gray; fine
grained; trough cross laminations changing to low angle, planar, cross
laminations to base; organic-rich, thin (<0.01' thick) streaks; locally
abundant mica. |
|
1680.90 |
1683.36 |
2.46 |
Sandstone, light gray; fine
grained; bi-directional, planar cross laminations; occasional, very thin,
shale wisps; abrupt lower contact on color change. |
|
1683.36 |
1683.61 |
0.25 |
Sandstone, medium to dark gray;
low angle, planar cross laminations; dark minerals on laminations; abrupt
lower contact on color change. |
|
1683.61 |
1684.17 |
0.56 |
Sandstone, light gray; fine
grained; low angle, planar, cross laminations; abundant, very thin, shale
wisps on bedding to top; abrupt lower contact. |
|
1684.17 |
1701.05 |
16.88 |
Sandstone, hard, light gray;
fine grained; massive to 1684.98'; low angle, planar, cross laminations to
1686.10'; occasional, dark, shale wisps on laminations from 1686.10 to
1686.30'; shale streaks from 1686.56 to 1686.58'; planar, cross laminations
at 20 degrees with occasional shale wisps to 1688.40'; planar laminations
from 1688.40 to 1688.73'; planar, cross laminations to base; mica-rich
partings less than 0.01' thick from 1691.30 to 1690.45'; rounded and flat
shale pebbles averaging 0.051 X <0.01'. |
|
1701.05 |
1704.50 |
3.45 |
Sandstone, hard, light gray;
fine grained; planar, to low angle, planar, cross laminations; locally
abundant mica; abrupt lower contact on color change. |
|
1704.50 |
1704.83 |
0.33 |
Sandstone, hard, very light
gray; fine grained; abundant mica partings less than 0.01' thick; clear lower
contact. |
|
1704.83 |
1711.40 |
6.57 |
Sandstone, hard, light gray;
fine grained; massive to top; abundant mica streaks below 1706.20'; planar
laminations to base; occasional, angular to subrounded pebbles about 0.08'
diameter from 1709.70 to 1710.15'; abrupt lower contact. |
|
1711.40 |
1712.75 |
1.35 |
Sandstone, hard, fine grained;
abundant mica and dark streaks; low angle (about 15 degrees); clear, angular
lower contact. |
|
1712.75 |
1713.10 |
0.35 |
Sandstone, hard, light gray;
fine grained; massive; very hard; clear lower contact. |
|
1713.10 |
1719.95 |
6.85 |
Sandstone, coal streaks, hard;
fine grained; light gray; coal streaks are thin at top, up to 0.01' thick at
base; also occasional, 0.02' thick, medium grained, sandstone streaks to
base; appears that sand becomes even harder to base; clear lower contact. |
|
1719.95 |
1720.75 |
0.80 |
Sandstone, hard, fine grained;
gray; massive (not sampled). |
|
|
Unnamed coal bed, 1720.75 -
1722.95 (2.20', parting= 10.69'), Elv.= -196.75' |
|
1720.75 |
1720.86 |
0.11 |
Coal, clarain, broken; methane
emissions evident (not sampled). |
|
1720.86 |
1721.75 |
0.89 |
Sandstone, fine grained; light
gray; soft sediment deformation; occasional, dark mineral streaks; coaly
streak <0.01' thick at 1721.62'; abundant shale pebbles at base; clear
lower contact (not sampled). |
|
1721.75 |
1722.55 |
0.80 |
Shale, sandstone streaks, medium
to dark gray; sandstone: fine grained; light gray; ripple laminated;
slickensides; planar laminations to base; abrupt lower contact (not sampled). |
|
1722.55 |
1722.95 |
0.40 |
Coal, clarain, methane emissions
evident (not sampled). |
|
1722.95 |
1723.10 |
0.15 |
Claystone, rooted, black; roots;
slickensides (not sampled). |
|
1723.10 |
1724.25 |
1.15 |
Shale, dark gray; slightly
silty; occasional slickensides to top; increasingly silty to base. |
|
1724.25 |
1729.90 |
5.65 |
Siltstone, sandy, dark gray;
sandy; massive to top; mixed with sand to base. |
|
1729.90 |
1732.50 |
2.60 |
Sandstone, medium to dark gray;
fine grained; occasional, thin, plant material wisps; low angle, planar,
cross laminations; some very small, coaly fragments; coarser to base;
occasional, shale pebbles below 1732.00'; abrupt lower contact. |
|
1732.50 |
1736.00 |
3.50 |
Shale, very dark gray; coaly
streaks; slickensides; poorly preserved plant fossils; slightly silty to
base; clear lower contact. |
|
1736.00 |
1737.80 |
1.80 |
Sandstone and siltstone
interbedded, Siltstone: dark gray; sandstone: light gray; fine grained; low
angle, planar, cross laminations; some mixing, possibly soft sediment
deformation, very thin, coaly wisps; increasing sand to base; abrupt lower
contact. |
|
1737.80 |
1738.25 |
0.45 |
Sandstone, light gray; fine
grained; soft sediment deformation; occasional shale pebbles; abrupt lower
contact on oil show. |
|
1738.25 |
1740.01 |
1.76 |
Sandstone, light gray; fine
grained; massive to mixed; abundant oil and gas coming from pores; abrupt
lower contact. |
|
1740.01 |
1750.39 |
10.38 |
Siltstone, medium gray;
occasional, sandy streaks to base; locally abundant siderite-rich blebs less
than 0.10' diameter below 1744.00'; occasional, poorly developed
slickensides; increasingly sandy to base; rooted in places; observed zones of
mixing and micro-faulting in sandy streaks (slumping?); occasional,
well-preserved calamite stem; abrupt lower contact on color change. |
|
1750.39 |
1751.57 |
1.18 |
Siltstone, light gray;
occasional, sandy streak; occasional slickensides; possible slump below
1751.00'; abrupt lower contact. |
|
1751.57 |
1753.98 |
2.41 |
Shale, black; very slickensided;
interesting plant fossil at 1753.64'; poorly preserved plant fragments. |
|
1753.98 |
1755.08 |
1.10 |
Sandstone and siltstone
interbedded: Siltstone: medium gray;
sandstone: light gray; low angle, planar, cross laminations; very
small ripples; occasional plant fragments; clear lower contact. |
|
1755.08 |
1756.40 |
1.32 |
Sandstone, light gray; fine
grained; soft sediment deformation; occasional shaley streak; abrupt lower
color. |
|
1756.40 |
1757.13 |
0.73 |
Sandstone, light gray; fine
grained; slumped. |
|
1757.13 |
1763.08 |
5.95 |
Sandstone, coal streaks, light
gray; fine grained; hard; abundant, dark mineral streaks; occasional, thin
shale streaks; gas showing at 1759.00'; sand darkens to base; occasional
shale clast; some poorly preserved plant material; abrupt lower contact. |
|
1763.08 |
1763.86 |
0.78 |
Siltstone, medium to dark gray;
some clay zones; well developed slickensides locally; clear lower contact. |
|
1763.86 |
1764.70 |
0.84 |
Sandstone, light gray with white
streaks; fine grained; occasional shale clast3 mixed with silt; coal streak
at 1763.98'; abrupt lower contact. |
|
1764.70 |
1768.40 |
3.70 |
Siltstone, medium gray;
occasional clayey streak; locally slightly sandy; occasional slickensides;
abrupt lower contact. |
|
1768.40 |
1775.74 |
7.34 |
Sandstone and siltstone
interbedded, light gray; very fine grained; siltstone is dark gray; low
angle, planar, cross laminations to flat, planar laminations; beds less than
0.40' thick; increasing siltstone to base and beds becoming thinner, about
0.10' thick; clear lower contact. |
|
1775.74 |
1780.82 |
5.08 |
Sandstone and siltstone
interbedded: Sandstone: light gray; very fine grained Siltstone: dark gray.
Possibly rippled; definitely rhythmically bedded; beds are 0.10' or less
thick, relatively flat; occasional clayey streak up to 0.02' thick to base;
abrupt lower contact. |
|
1780.82 |
1784.72 |
3.90 |
Sandstone, light gray; fine
grained; rippled and micro-faulted; horizontal fractures; slightly silty,
increasing to base; abrupt lower contact. |
|
1784.72 |
1785.00 |
0.28 |
Sandstone, light gray; fine
grained; rippled; dark streaks; occasional plant stems; abrupt lower contact. |
|
1785.00 |
1792.18 |
7.18 |
Siltstone, sandy, medium to dark
gray; sand occurs in very fine grained wisps and laminations; flat, planar
bedding; occasional ripples in sandy zones; abundant, well preserved
calamites(?); abrupt lower contact. |
|
1792.18 |
1795.00 |
2.82 |
Sandstone, light gray; fine
grained; abundant trough ripples and low angle, rippled, cross laminations;
occasional silty streaks; clear lower contact. |
|
1795.00 |
1796.15 |
1.15 |
Siltstone, sandy, dark gray;
fine grained; light gray, fine grained sand; rippled; vertical fracture at
1795.50'; abrupt lower contact. |
|
1796.15 |
1797.53 |
1.38 |
Sandstone, light gray; very fine
grained; abundant, dark mineral streaks; rippled; sand becomes cleaner to
base; shale rip-ups at base; abrupt, wavy lower contact. |
|
1797.53 |
1806.21 |
8.68 |
Sandstone, light gray; very fine
grained; abundant dark streaks; ripples; becomes cleaner sand to base; fewer
dark streaks to base; possible burrows; vertical fracture at 1804.10';
abrupt, angular lower contact. |
|
1806.21 |
1808.65 |
2.44 |
Siltstone and sandstone
interbedded: Siltstone: dark gray. Sandstone: light gray to gray; fine
grained. Beds about 0.40' thick; some small ripples; mostly flat, planar
laminations; abrupt lower contact. |
|
1808.65 |
1815.05 |
6.40 |
Sandstone, light gray to gray;
fine grained; occasional dark mineral streaks; low angle, planar, cross
laminations to flat, planar laminations; occasional shale rip-ups and pebbles
to base, elongate, less than 0.10' by 0.03'; abrupt, erosional lower contact. |
|
1815.05 |
1815.86 |
0.81 |
Claystone, rooted, medium gray;
clayey; slickensided; clear lower contact. |
|
1815.86 |
1816.50 |
0.64 |
Claystone, rooted, medium to
dark gray; slickensides; slightly silty; clear lower contact (Paleosol B
horizon). |
|
|
Mississippian-Pennsylvanian
boundary, Elv.= -292.50' |
|
1816.50 |
1818.60 |
2.10 |
Sandstone, very fine grained;
gray to gray-green; massive to mixed bedding types; clear lower contact. |
|
1818.60 |
1820.66 |
2.06 |
Mudstone, light to medium
gray-green; very poorly bedded at top; silty in top to 1819.00';
slickensided; badly broken; clear lower contact at color change (Paleosol B
horizon). |
|
1820.66 |
1822.35 |
1.69 |
Claystone red; few, distinct,
fine to coarse, light gray-green mottles; common 5lickenside3; abrupt lower
contact at color change (Paleosol B, BC horizons). |
|
1822.35 |
1822.63 |
0.28 |
Shale, medium gray-green;
slickensides; abrupt lower contact. |
|
1822.63 |
1823.00 |
0.37 |
Sandstone, shale streaks, light
gray-green; very fine grained; rippled laminations and streaks; medium
gray-green shale streaks; clear lower contact with increasing shale. |
|
1823.00 |
1823.52 |
0.52 |
Claystone, slickensides, medium
gray-green; many slickensides; badly broken in top half; abrupt lower contact
(Paleosol B horizon). |
|
1823.52 |
1824.00 |
0.48 |
Sandstone and shale interbedded,
light gray-green; very fine grained; massive; some soft sediment deformation
evident; interbeds of medium gray-green shale; abrupt lower contact. |
|
1824.00 |
1824.17 |
0.17 |
Shale, medium gray-green; clear
lower contact at color and bedding change. |
|
1824.17 |
1828.15 |
3.98 |
Claystone, red with common,
light to medium. gray-green, distinct, fine to coarse mottles; zone of medium
gray-green from 1826.65 to 1826.80'; zone of light gray to white, calcareous
to strongly calcareous streaks and fracture fills from 1827.50 to 1827.70';
clear lower contact at color change (Paleosol B horizon). |
|
1828.15 |
1828.70 |
0.55 |
Shale, medium gray-green; poorly
bedded; few slickensides; few, distinct, light gray, calcareous nodules;
large nodule from 1828.53 to 1828.65'; abrupt lower contact. |
|
1828.70 |
1833.00 |
4.30 |
Sandstone, slumped, light to
medium. gray-green; very fine grained; planar rippled to ripple cross
laminated; high angle slump planes and some soft sediment deformation;
common, distinct, light gray, medium to coarse, calcareous nodules; medium
gray-green shale streaks and bands from 1831.55' to base; clear lower
contact. |
|
1833.00 |
1834.52 |
1.52 |
Shale, medium gray-green; sandy
in top; few slickensides; abrupt lower contact at color change. |
|
1834.52 |
1836.10 |
1.58 |
Mudstone, red, gray-red; few,
light gray-green, prominent, coarse mottles; common slickensides; few,
distinct, fine, calcareous nodules; clear, angular, lower contact at
calcareous/non-calcareous break (Paleosol B horizon). |
|
1836.10 |
1838.17 |
2.07 |
Shale, calcareous, red; light
gray-green streaks and laminations; calcareous throughout; few, distinct,
medium to coarse, calcareous nodules; few slickensides; abrupt lower contact
at color change. |
|
1838.17 |
1838.87 |
0.70 |
Shale, light gray-green; weakly
calcareous; few, distinct, medium to coarse, light gray, calcareous nodules;
abrupt lower contact at color change. |
|
1838.87 |
1842.30 |
3.43 |
Shale, red, solid red; poorly
bedded; few to common slickensides; badly broken from 1841.45' to base. |
|
1842.30 |
1842.50 |
0.20 |
Mudstone, silty, medium
gray-green; some light gray-green clasts; abrupt, angular, lower contact
(Paleosol B horizon). |
|
1842.50 |
1843.10 |
0.60 |
Claystone, slickensides, medium
gray-green; black streaks and patches; many slickensides; sandy lenses and
streaks throughout; nodular appearance; abrupt, angular, lower contact
(Paleosol B horizon). |
|
1843.10 |
1844.97 |
1.87 |
Claystone, mottled, medium
gray-green; many, distinct, coarse, red mottles and streaks; many
slickensides; very broken; abrupt lower contact (Paleosol B horizon). |
|
1844.97 |
1846.63 |
1.66 |
Shale, red, with streaks and
bands of light gray-green; abrupt lower contact at color change. |
|
1846.63 |
1847.37 |
0.74 |
Shale, medium gray; very
uniform; abrupt lower contact. |
|
1847.37 |
1849.51 |
2.14 |
Sandstone, light to medium gray;
very fine grained; ripple laminated; medium gray shale break from 1848.25 to
1848.39'; shaley in bottom 0.07'; abrupt lower contact. |
|
1849.51 |
1850.23 |
0.72 |
Shale, medium gray-green;
calcareous; small, calcite-filled ostracodes(?); possible pieces of bivalves;
pyrite grains; clear lower contact at color change and decreasing fossils. |
|
1850.23 |
1853.00 |
2.77 |
Claystone, red, solid red; few,
faint, fine to coarse, medium gray-green mottles in basal 0.50'; common
slickensides; calcareous throughout; few, very thin, calcareous streaks from
1852.16' to base; clear lower contact at basal red color (Paleosol B horizon). |
|
1853.00 |
1856.20 |
3.20 |
Claystone, calcareous, medium
gray-green; calcareous; few, thin, light gray to white calcareous streaks;
common slickensides; diffuse lower contact with nodules (Paleosol B horizon). |
|
1856.20 |
1857.45 |
1.25 |
Claystone, calcareous, medium
gray-green; faint, light to medium. gray, fine, smooth, calcareous nodules;
very weakly calcareous from 1857.17' to base; clear lower contact (Paleosol B
horizon). |
|
1857.45 |
1858.81 |
1.36 |
Shale, silty, medium gray-green;
sandy in basal half; abrupt lower contact. |
|
1858.81 |
1859.96 |
1.15 |
Sandstone, shale streaks, light
gray; very fine grained; ripple laminated; medium gray shale streaks and
beds; abrupt lower contact. |
|
1859.96 |
1861.00 |
1.04 |
Sandstone, quartzose, light
gray; ripple laminations; dark gray streaks; very fine grained; smooth; hard;
to TD 1861'. |
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