USGS1; Geologist core description. |
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Top (ft) |
Depth (ft) |
Thick (ft) |
Description |
|
0.00 |
30.00 |
30.00 |
Casing |
|
30.00 |
34.50 |
4.50 |
Shale, mottled red and green, 2.5' core loss. |
|
34.50 |
44.50 |
10.00 |
Shale, mottled red and green, 8.5' core loss. |
|
44.50 |
49.00 |
4.50 |
Shale, 2.3' recovered, 2.2' core
loss, mottled red and green. |
|
49.00 |
51.20 |
2.20 |
Mudstone, mottled red and gray,
slickensides, slightly calcareous. |
|
51.20 |
51.80 |
0.60 |
Core loss |
|
51.80 |
53.10 |
1.30 |
Shale, light green-gray,
poorly-developed bedding, occasional slickensided fractures becoming
increasingly common near base, basal contact arbitrary. |
|
53.10 |
53.80 |
0.70 |
Mudstone, red with green-gray
mottles, poorly-developed slickensides, basal contact sharp. |
|
53.80 |
54.32 |
0.52 |
Shale, light gray with brown
stringers, slightly calcareous, base sharp. |
|
54.32 |
57.85 |
3.53 |
Shale, gray, well-developed
bedding, dark material filling small fractures near base, poorly-developed
slickensides, coarsens to fine-grained, light gray, planar bedded, slightly calcareous (cement?), sandstone 55.15-55.36', basal contact arbitrary. |
|
57.85 |
61.40 |
3.55 |
Shale, gray, poorly-developed
slickensides near top, becoming better developed toward base, dark gray shale
clasts 58.5', basal contact
arbitrary. |
|
61.40 |
61.87 |
0.47 |
Mudstone, mottled red-green,
non-bedded, small mukkara structures? |
|
61.87 |
62.20 |
0.33 |
Mudstone, mottled red-green
(10R4/1), poorly consolidated (broken), slickensides in upper part. |
|
62.20 |
66.00 |
3.80 |
Core Loss |
|
66.00 |
67.96 |
1.96 |
Shale and sandstone interbedded,
shale, medium to dark gray (5B4/1), sandstone, fine grained, light gray,
basal contact arbitrary. |
|
67.96 |
68.60 |
0.64 |
Sandstone, dark bluish gray
(5B4/1) fine grained, micaceous, light gray to gray, thin-bedded. |
|
68.60 |
68.95 |
0.35 |
Shale, gray, with thin, fine
grained, sandstone interbeds at base, bedding well developed, basal contact
arbitrary. |
|
68.95 |
69.41 |
0.46 |
Sandstone, fine grained, gray to
dark gray, calcite veins, planar-bedded. |
|
69.41 |
70.50 |
1.09 |
Shale, gray to dark gray
(5BG4/1), low-angle trough bedding?, calcareous, thin-bedded, base arbitrary. |
|
70.50 |
71.54 |
1.04 |
Shale, gray, calcareous,
thin-bedded, bedding inclined, occasional slickensides. |
|
71.54 |
72.30 |
0.76 |
Shale, gray-dark gray, sandy,
calcareous nodules, thin-bedded, possible pressure solution, base arbitrary
on sandy shale changing to shale. |
|
72.30 |
73.57 |
1.27 |
Shale, light gray, laminated,
basal contact gradational and arbitrary on lithology. |
|
73.57 |
73.86 |
0.29 |
Sandstone, fine grained, light
gray, thin-bedded, gray shale interbeds. |
|
73.86 |
74.95 |
1.09 |
Shale, dark gray (N4.5), becomes
sandier toward base, siderite nodule at base, slickensides in center. |
|
74.95 |
75.27 |
0.32 |
Shale, light gray, slightly
sandy, 0.1'sandy zone at 75.95', small, poorly-developed slickensides. |
|
75.27 |
76.45 |
1.18 |
Sandstone, light gray (5B4/1),
shale interbeds. |
|
76.45 |
77.05 |
0.60 |
Shale, gray |
|
77.05 |
77.31 |
0.26 |
Shale, light gray, poorly
consolidated layers dissolved by drilling mud |
|
77.31 |
77.69 |
0.38 |
Mudstone, black (N2.5),
carbonaceous, randomly-oriented, well-developed slickensides, crumbly, basal
contact arbitrary. |
|
77.69 |
78.60 |
0.91 |
Claystone, dark gray to black
(N2.5), carbonaceous, grades to carbonaceous (coaly) claystone at base,
well-developed slickensides, basal contact arbitrary, grading to coal. |
|
78.60 |
78.65 |
0.05 |
Coal, base sharp on core loss. |
|
78.65 |
79.05 |
0.40 |
Core Loss |
|
79.05 |
79.18 |
0.13 |
Mudstone, light to medium gray,
slickensides, basal contact arbitrary. |
|
79.18 |
80.45 |
1.27 |
Shale, very dark gray (N3),
grading to light gray at base, occasional root trace. |
|
80.45 |
81.09 |
0.64 |
Mudstone, gray, slickensides
near base, basal contact arbitrary on color change and bedding, crumbly at
top. |
|
81.09 |
81.59 |
0.50 |
Mudstone, very dark gray (N3),
small, poorly-developed slickensides, base sharp on bedding. |
|
81.59 |
82.34 |
0.75 |
Claystone, gray, well-developed
slickensides. |
|
82.34 |
82.93 |
0.59 |
Claystone, gray, clayey zones
weathered out by drillers mud, crumbly. |
|
82.93 |
83.56 |
0.63 |
Claystone, gray, well-developed
slickensides, basal contact arbitrary. |
|
83.56 |
86.80 |
3.24 |
Shale, silty, dark greenish-gray
(5GY4/1), poorly-bedded, occasional nodule near middle, basal contact
arbitrary. |
|
86.80 |
88.10 |
1.30 |
Claystone, gray, moderate to
well-developed slickensides, basal contact arbitrary. |
|
88.10 |
88.55 |
0.45 |
Claystone, gray, crumbly,
arbitrary basal contact. |
|
88.55 |
90.55 |
2.00 |
Claystone, gray, crumbly at
base, occasional slickensides near base, basal contact sharp on bedding. |
|
90.55 |
92.23 |
1.68 |
Shale, greenish-gray (5GY5/1),
with light gray interlaminations, base sharp on lithology. |
|
92.23 |
95.69 |
3.46 |
Siltstone, dark bluish-gray
(5B4/1), interlaminated with very fine grained sandstone toward base, base
arbitrary. |
|
95.69 |
95.98 |
0.29 |
Siltstone, light gray, sandy,
basal contact arbitrary. |
|
95.98 |
96.26 |
0.28 |
Sandstone, very fine grained,
light gray to gray, micaceous, slightly calcareous, sharp basal contact. |
|
96.26 |
101.53 |
5.27 |
Sandstone, fine grained, light
gray, poorly-bedded, micaceous, slightly calcareous, basal contact arbitrary
on color change. |
|
101.53 |
107.45 |
5.92 |
Sandstone, light gray, massive
becoming poorly-bedded at base, basal contact arbitrary on color change. |
|
107.45 |
108.15 |
0.70 |
Sandstone, fine grained, light
gray to gray, occasional small pyrite crystals, occasional poorly-preserved
ripples with occasional mud. |
|
108.15 |
119.00 |
10.85 |
Sandstone, light gray, fine
grained, massive, fining-up sequence to 110.6, small euhedral pyrite crystals
113.92-114.75', vertical calcite vein. |
|
119.00 |
119.20 |
0.20 |
Sandstone, with claystone
interbeds, poorly-developed slickensides, euhedral pyrite crystals, both
contacts sharp and inclined. |
|
119.20 |
122.31 |
3.11 |
Sandstone, fine grained, light
gray, slight fining-upward sequence, massive with poorly-preserved,
low-angle, bedding, base contact arbitrary. |
|
122.31 |
123.26 |
0.95 |
Sandstone, fine grained, light
gray, massive. |
|
123.26 |
124.00 |
0.74 |
Sandstone, fining-upward
sequence, light to medium gray, small pebbles at base, carbonaceous
fragments, poorly-preserved bedding. |
|
124.00 |
124.30 |
0.30 |
Sandstone, poorly-sorted, fine-
to coarse-grained, no bedding apparent, euhedral pyrite near base, base
arbitrary on grain size, base punctuated by slickensides |
|
124.30 |
124.90 |
0.60 |
Sandstone, interbedded with
shale (cyclic?), very fine- to fine grained, gray, soft sediment deformation. |
|
124.90 |
125.32 |
0.42 |
Sandstone, fine grained, gray,
finer and coarser beds, shale ripups, base sharp on lithology. |
|
125.32 |
125.37 |
0.05 |
Shale, base sharp. |
|
125.37 |
126.57 |
1.20 |
Sandstone, fine grained, gray,
rippled with burrows at top, grading downward to planar bedded near middle
and becoming massive at base, gradational basal contact. |
|
126.57 |
127.08 |
0.51 |
Sandstone, banded light and
medium gray at top, becoming light gray at base, fining-upward sequence,
well-sorted, fine- to medium-grained, shale ripups in basal 0.2'. |
|
127.08 |
127.47 |
0.39 |
Sandstone, fine grained, gray,
0.02' shale near middle, possible fining-upward sequence. |
|
127.47 |
131.83 |
4.36 |
Sandstone, fine grained, low
angle, planar bedding, calcite cement in basal 2.2 ft, small nodules, base
sharp on color and grain size changes. |
|
131.83 |
136.15 |
4.32 |
Sandstone, light gray, medium-
to coarse-grained at base, fining upward to fine grained, occasional shale
pebbles at base, low angle, planar bedding. |
|
136.15 |
136.44 |
0.29 |
Sandstone, gray, fine grained,
poorly-bedded, basal contact on grain size changes. |
|
136.44 |
136.99 |
0.55 |
Sandstone, light gray,
coarsening-upward sequence, small quartz pebbles. |
|
136.99 |
137.14 |
0.15 |
Core Loss (probably sandstone) |
|
137.14 |
144.85 |
7.71 |
Sandstone, light gray, fine
grained, low angle to planer bedding, occasional quartz pebbles, base sharp
on lithology. |
|
144.85 |
148.30 |
3.45 |
Claystone, crumbly, abundant
slickensides, breaks into angular fragments, slightly sandy at base. |
|
148.30 |
149.50 |
1.20 |
Core Loss |
|
149.50 |
152.33 |
2.83 |
Shale, dark gray to green-gray
(5B4/1), small, poorly-developed slickensides, poorly-bedded, better-bedded
towards base. |
|
152.33 |
160.98 |
8.65 |
Shale, with sandstone interbeds,
medium to dark gray (N5), pyrite-rich zone in top 0.1, base arbitrary on
increased sandstone, siderite nodules in zones. |
|
160.98 |
162.50 |
1.52 |
Sandstone, Fining-upward
sequence,, laminated dark and light gray, becoming lighter towards base, fine
grained, mostly planar bedding with occasional small crossbeds, occasional
small nodules (Mn?). |
|
162.50 |
169.00 |
6.50 |
Sandstone, occasional shale
interbeds, fine grained, laminated light and dark gray, occasional low angle
crossbeds, base sharp. |
|
169.00 |
169.40 |
0.40 |
Sandstone and shale,
interbedded, 0.12' core loss, Sandstone-medium-grained, light gray, pyrite at
169.35', Shale, medium gray, base sharp on core loss. |
|
169.40 |
169.70 |
0.30 |
Core loss |
|
169.70 |
171.26 |
1.56 |
Sandstone and Shale,
interbedded, predominately planar to slightly inclined bedding, siderite
nodules, occasional soft sediment deformation. |
|
171.26 |
174.26 |
3.00 |
Shale, dark gray (N4),
occasional siderite nodule, base arbitrary on color change. |
|
174.26 |
174.74 |
0.48 |
Shale, dark gray to black (N3),
pyrite at base. |
|
174.74 |
174.86 |
0.12 |
Shale, black, carbonaceous,
siderite nodules, pyrite at top. |
|
174.86 |
175.19 |
0.33 |
Mudstone, dark gray to black
(N2.5), slickensides. |
|
|
|
Bakerstown coal bed, 175.19 -
176.55' (1.36'), Elv.= 3133.81', sampled 175.19 - 176.70' (1.51'). |
|
175.19 |
175.32 |
0.13 |
Bone, interbedded with very thin
carbonaceous shale and thin clarain draped over very abundant and large (1 -
5mm) pyrite lenses. |
|
175.32 |
175.38 |
0.06 |
Coal, durain, with abundant
pyrite throughout, grades to clarain at base. |
|
175.38 |
175.46 |
0.08 |
Coal,
clarain, dull, minor pyrite, grades to durain upward. |
|
175.46 |
175.66 |
0.20 |
Coal, clarain, bright, common
pyrite lenses and 1 mm cleat calcite. |
|
175.66 |
175.93 |
0.27 |
Coal, clarain, bright, numerous
thin vitrains, common 1 mm cleat calcite. |
|
175.93 |
175.99 |
0.06 |
Coal, clarain, dull, few streaks
of pyrite, common 0.5-1 mm cleat calcite. |
|
175.99 |
176.47 |
0.48 |
Coal, clarain, dull, few streaks
of pyrite, minor thin cleat calcite. |
|
176.47 |
176.52 |
0.05 |
Coal, clarain, dull, abundant
pyrite lenses. |
|
176.52 |
176.55 |
0.03 |
Coal, durain, nonbanded. |
|
176.55 |
177.11 |
0.56 |
Mudstone, seat earth, very dark
gray (N3), slickensided, base gradational. Contains few plant fragments,
occasional pyritized stems or roots 1 mm in diameter showing
"woody" structures. Contact with coal has discontinuous layer of
pyrite <<1 mm thick and minor cleat calcite and cleat pyrite. |
|
177.11 |
178.15 |
1.04 |
Siltstone, gray (5B4/1),
siderite nodules, basal contact arbitrary. |
|
178.15 |
178.35 |
0.20 |
Siltstone, dark green-gray,
abundant siderite nodules, basal contact sharp. |
|
178.35 |
179.68 |
1.33 |
Shale, green-gray, siderite
nodules, basal contact sharp on color change. |
|
179.68 |
182.40 |
2.72 |
Shale, gray (N4). |
|
182.40 |
182.97 |
0.57 |
Sandstone, fine grained,
planar-bedded, horizontal calcite veins, local shaley zones interbedded,
slightly calcareous, basal contact arbitrary. |
|
182.97 |
183.73 |
0.76 |
Sandstone, fine grained, light
gray, planar-bedded, calcareous cement, 0.2 siderite zone at 183.35, basal
contact arbitrary. |
|
183.73 |
189.80 |
6.07 |
Sandstone, fine grained, with
dark gray shale streaks, siderite nodules, calcareous cement in sandstone,
non-calcareous basal 1.0, small calcite-filled vein, base sharp on lithology. |
|
189.80 |
192.41 |
2.61 |
Shale, dark gray, slickensides,
siderite nodules, base sharp on color change. |
|
192.41 |
195.71 |
3.30 |
Shale, dark gray (N4), siderite
nodules, occasional slickensides, poorly-bedded, pyrite specks, appears
mottled (bioturbated?). |
|
195.71 |
198.95 |
3.24 |
Mudstone, dark gray, appears
mottled (bioturbated?), very poorly-bedded, calcareous nodules, basal contact
arbitrary. |
|
198.95 |
205.15 |
6.20 |
Mudstone, greenish-gray (5G5/1),
calcareous towards top, base gradational, arbitrary on color change, mottled
with tanish fracture-filling and speckled with rounded black fragments. |
|
205.15 |
206.90 |
1.75 |
Mudstone, mottled red and green,
slickensides, basal contact on core loss. |
|
206.90 |
209.80 |
2.90 |
Core Loss (approximate location) |
|
209.80 |
214.65 |
4.85 |
Mudstone, gray, mottled,
possible roof traces, gleyed peds, grades downward to shale at base,
slickensides, approximately 0.5 foot core loss. |
|
214.65 |
215.00 |
0.35 |
Sandstone, greenish-gray, with
rusty, sub-mm sized carbonate spheres (ankerite?), calcareous. |
|
215.00 |
217.70 |
2.70 |
Sandstone, fine grained,
greenish-gray (5BG5/1), ankerite nodules basal 0.2 ft, calcareous. |
|
217.70 |
220.80 |
3.10 |
Mudstone, dark greenish-gray
(5G4/1), at least one depositional surface with no obvious grain size change
across surface which are marked by dark red color. |
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NOTE: interval 220.80 to 234.29
locally known as the "Mahoning" interval. |
|
220.80 |
222.50 |
1.70 |
Shale, green-gray,
poorly-bedded, brecciated, silty, contains angular, tan to brown, laminated,
flint clay clasts, base sharp on lithology. (Mahoning unconformity paleosol). |
|
222.50 |
225.20 |
2.70 |
Sandstone, light green-gray
(5G5/1), shale 224.5 to 224.7, coaly fragment at top, basal contact sharp on
lithology. |
|
225.20 |
225.90 |
0.70 |
Siltstone, dark greenish-gray,
crumbly at base, base sharp on lithology. |
|
225.90 |
226.55 |
0.65 |
Sandstone, light gray, very fine
grained, quartzose, some interlaminated dark shale streaks, non-calcareous,
small scale ripples with mud drapes. |
|
226.55 |
226.90 |
0.35 |
Sandstone, light gray, very fine
grained, quartzose, low-angle ripple bedding, base sharp on grain size. |
|
226.90 |
228.00 |
1.10 |
Siltstone, light greenish-gray,
siderite band at base, base on lithology |
|
228.00 |
229.00 |
1.00 |
Sandstone, light greenish-gray,
fine grained, contains dark greenish-gray bands up to 0.2'fhick, shale bands
contain sandstone ripples, base on lithology. |
|
229.00 |
229.16 |
0.16 |
Mudstone, dark greenish-gray,
base on lithology. |
|
229.16 |
229.90 |
0.74 |
Sandstone, light gray,
quartzose, massive, base on lithology. |
|
229.90 |
230.33 |
0.43 |
Mudstone, dark greenish-gray,
base on lithology. |
|
230.33 |
231.55 |
1.22 |
Sandstone, light gray, very fine
grained, red-weathering ironstone (siderite?) bands, base on lithology. |
|
231.55 |
232.92 |
1.37 |
Mudstone, bluish-gray,
gradational basal contact. |
|
232.92 |
233.39 |
0.47 |
Sandstone, interbedded with
siltstone, very fine grained, low-angle ripples, base sharp on grain size,
siderite bands upper half. |
|
233.39 |
234.29 |
0.90 |
Sandstone, light gray, very fine
grained, quartzose, planar-bedded near top and bottom, rippled in middle with
mud drapes, siderite near fop, base sharp on lithology. |
|
234.29 |
236.90 |
2.61 |
Mudstone, dark greenish-gray,
poorly-developed slickensides, contains thin (0.02') sand laminations. |
|
236.90 |
237.80 |
0.90 |
Claystone, gray, crumbly,
illuviated organic matter on peds, small slickensides, basal contact on grain
size change. |
|
237.80 |
240.30 |
2.50 |
Siltstone, locally grades to
fine grained sandstone, green-gray, organic skins (films) on siderite,
siderite zone from 238.5 to 239.1, siderite throughout. |
|
240.30 |
240.55 |
0.25 |
Siderite, band, weathered
rusty-colored. |
|
240.55 |
245.00 |
4.45 |
Siltstone, greenish-gray,
micaceous, occasional very small pyrite crystals on fractures, base sharp on
siderite. |
|
245.00 |
245.25 |
0.25 |
Siderite, zone of mm-sized
nodules, weathered reddish-brown, base |
|
245.25 |
255.60 |
10.35 |
Siltstone, greenish-gray, with
fine grained sand stringers becoming more common towards base, base sharp on
lithology. |
|
255.60 |
289.00 |
33.40 |
Sandstone, gray, micaceous,
cross-bedded, 0.15 shale band at 258.79, non-calcareous, base arbitrary at
top of zone of siderite nodules. |
|
289.00 |
289.21 |
0.21 |
Sandstone, gray, concentric
banded clasts, non-calcareous. |
|
289.21 |
290.67 |
1.46 |
Sandstone, gray, fine grained,
with black shale streaks, non-calcareous. |
|
290.67 |
291.20 |
0.53 |
Sandstone, gray, fine grained. |
|
291.20 |
291.43 |
0.23 |
Sandstone, gray, fine grained,
with black shale streaks, non-calcareous. |
|
291.43 |
291.93 |
0.50 |
Sandstone, gray, fine grained. |
|
291.93 |
293.00 |
1.07 |
Sandstone, gray, fine grained,
with black shale streaks, non-calcareous. |
|
293.00 |
294.77 |
1.77 |
Shale, black, with gray zones,
sandstone streaks, non-calcareous. |
|
294.77 |
295.10 |
0.33 |
Sandstone, gray, fine grained,
with black shale streaks, non-calcareous. |
|
295.10 |
296.70 |
1.60 |
Shale, black with gray zones,
sandstone streaks, non-calcareous, |
|
296.70 |
297.90 |
1.20 |
Sandstone, gray, fine grained,
with black shale streaks, non-calcareous. |
|
297.90 |
299.40 |
1.50 |
Shale, black, with gray zones,
sandstone streaks, non-calcareous, sandstone streaks decrease toward base. |
|
299.40 |
300.10 |
0.70 |
Shale, black, lower portion
grades to carbonaceous shale or bone. |
|
|
Contact: Conemaugh Group. and
Allegheny Formation. |
|
|
Upper Freeport coal bed, 300.10
- 309.10' (9.00'), Elv.= 3008.90', not sampled, |
|
300.10 |
309.10 |
9.00 |
Coal |
|
309.10 |
309.75 |
0.65 |
Core Loss |
|
309.75 |
311.00 |
1.25 |
Mudstone, very dark gray,
abundant slickensides, broken. |
|
311.00 |
311.55 |
0.55 |
Mudstone, very dark gray, with
lighter gray clasts, no slickensides. |
|
311.55 |
314.25 |
2.70 |
Limestone, (Upper Freeport
Limestone), medium gray, impure, brecciated, illuviated organic matter around
clasts, brecciation increases toward base, base arbitrary on loss of
carbonate. |
|
314.25 |
319.00 |
4.75 |
Mudstone, greenish-gray (N5)
darkening to dark gray (N4) toward base due to illuviated organic matter. |
|
319.00 |
325.70 |
6.70 |
Mudstone, gray, contains
brecciated flint clay clasts, illuviated organic matter, base on loss of
clasts. |
|
325.70 |
326.30 |
0.60 |
Mudstone, dark gray,
slickensides. |
|
326.30 |
328.30 |
2.00 |
Mudstone, gray, slickensides,
illuviated organic matter. |
|
328.30 |
328.70 |
0.40 |
Mudstone, gray, siderite cement
and fracture fillings. |
|
328.70 |
329.70 |
1.00 |
Mudstone, gray, illuviated
organic matter. |
|
329.70 |
330.45 |
0.75 |
Mudstone, dark gray, abundant
illuviated organic matter, some siderite-filled fractures. |
|
330.45 |
333.25 |
2.80 |
Siltstone, gray, grading to dark
gray toward base, grades to fine grained sandstone at base. |
|
333.25 |
336.20 |
2.95 |
Mudstone, gray, locally darker
with increased illuviated organic matter, grades downward toward
greenish-gray, base arbitrary on color change. |
|
336.20 |
338.33 |
2.13 |
Mudstone, greenish-gray,
siderite fracture filling. |
|
338.33 |
339.25 |
0.92 |
Sandstone, greenish-gray, fine
grained. |
|
339.25 |
340.25 |
1.00 |
Mudstone, greenish-gray,
darkening toward base. |
|
340.25 |
340.71 |
0.46 |
Mudstone, dark gray, siderite
cement and fracture fillings, illuviated organic matter. |
|
340.71 |
341.30 |
0.59 |
Mudstone, dark gray, illuviated
organic matter. |
|
341.30 |
341.90 |
0.60 |
Mudstone, greenish-gray. |
|
341.90 |
342.35 |
0.45 |
Siltstone, greenish-gray. |
|
342.35 |
343.70 |
1.35 |
Mudstone, greenish-gray, darkens
toward base, basal contact arbitrary on color change and increase in organic
matter. |
|
343.70 |
344.40 |
0.70 |
Mudstone, dark to very dark
gray. |
|
344.40 |
344.55 |
0.15 |
Sandstone, gray, interbedded
with dark gray shale. |
|
344.55 |
345.05 |
0.50 |
Mudstone, dark gray,
slickensides. |
|
345.05 |
345.30 |
0.25 |
Mudstone, dark gray, siderite
cement. |
|
345.30 |
345.70 |
0.40 |
Mudstone, greenish-gray, basal
contact arbitrary on increased grain size. |
|
345.70 |
347.70 |
2.00 |
Siltstone, interlaminated with
very fine grained sandstone, greenish-gray. |
|
347.70 |
347.90 |
0.20 |
Sandstone, brown siderite
cement, less siderite toward base, base sharp on grain size. |
|
347.90 |
349.55 |
1.65 |
Sandstone, greenish-gray, planar
bedded, calcareous. |
|
349.55 |
351.94 |
2.39 |
Mudstone, dark gray, thinly
laminated, organic accumulation at 351.65'. |
|
351.94 |
352.75 |
0.81 |
Sandstone, bluish-gray, fine
grained, planer bedded, base arbitrary on change in bedding. |
|
352.75 |
354.55 |
1.80 |
Sandstone, gray, fine grained,
low angle cross-beds, basal 0.15' brown siderite cement. |
|
354.55 |
356.37 |
1.82 |
Sandstone, gray, fine grained,
planar bedded. |
|
356.37 |
356.65 |
0.28 |
Siltstone, dark gray,
interbedded with sandstone. |
|
356.65 |
361.00 |
4.35 |
Sandstone, gray, fine grained,
with dark shale laminations, siderite cement 360.4 - 360.65'. |
|
361.00 |
362.65 |
1.65 |
Mudstone, dark gray, basal
contact arbitrary on grain size. |
|
362.65 |
363.10 |
0.45 |
Siltstone, dark gray, planar
laminations, basal contact arbitrary on grain size. |
|
363.10 |
364.43 |
1.33 |
Sandstone, dark gray, fine
grained, with dark shale laminations. |
|
364.43 |
366.20 |
1.77 |
Mudstone, dark gray increasing
to very dark gray downward, base arbitrary on color and grain size changes. |
|
366.20 |
367.00 |
0.80 |
Siltstone, dark gray, with dark
shale interlaminations, base on siderite occurrences. |
|
367.00 |
367.35 |
0.35 |
Siltstone, brown siderite
streaks, lithology as above. |
|
367.35 |
367.80 |
0.45 |
Mudstone, dark gray. |
|
367.80 |
376.10 |
8.30 |
Siltstone, interlaminated with
fine grained sandstone, dark gray, numerous siderite zones associated with
increase in grain size, base arbitrary on grain size. |
|
376.10 |
381.65 |
5.55 |
Mudstone, dark gray to very dark
gray, shaley, occasional siderite zone. |
|
381.65 |
382.60 |
0.95 |
Mudstone, very dark gray to
black, increase in organic matter toward base, slickensides, base on coal
fragments, roof rock. |
|
|
Upper Kittanning coal bed,
382.60 - 386.81' (4.21'), Elv.= 2926.40', sampled 382.00 - 387.4' (5.40'). |
|
382.60 |
382.77 |
0.17 |
Bone, interbedded with and
containing angular cross-cutting veins of siltstone up to 3mm thick. Abundant
pyrite throughout as lenses and cleat fillings. Roof rock. |
|
382.77 |
382.87 |
0.10 |
Bone, with minor cleat calcite
and minor cleat pyrite. |
|
382.87 |
383.01 |
0.14 |
Coal, clarain, bright, contains
interbedded bone and vitrain lenses. |
|
383.01 |
383.04 |
0.03 |
Fusain, parting, mineralized
with pyrite and probably quartz and/or kaolinite. |
|
383.04 |
383.05 |
0.01 |
Coal, clarain, bright. |
|
383.05 |
383.20 |
0.15 |
Fusain, parting, mineralized,
extremely hard, individual fusain fragments 1 cm in size, mineralized with
pyrite and calcite, but mostly with quartz and/or kaolinite. |
|
383.20 |
383.27 |
0.07 |
Coal, clarain, dull. |
|
383.27 |
383.32 |
0.05 |
Coal, vitrain, minor cleat
calcite. |
|
383.32 |
383.43 |
0.11 |
Coal, clarain, dull, common
cleat calcite. |
|
383.43 |
383.46 |
0.03 |
Bone, black, carbonaceous. |
|
383.46 |
383.50 |
0.04 |
Coal, clarain, dull, minor cleat
calcite. |
|
383.50 |
383.95 |
0.45 |
Shale, parting, black,
carbonaceous, dense with large slickensides, small plant fragments, and minor
cleat calcite. |
|
383.95 |
384.17 |
0.22 |
Shale, parting, carbonaceous,
very bony with lenses of <1 mm vitrain bands, minor pyrite lenses and
minor cleat calcite. |
|
384.17 |
384.79 |
0.62 |
Shale, parting, black,
carbonaceous, dense, minor cleat calcite, grades into bone below. Base of
shale contains numerous ostracodes 1-2mm in size and common pyrite lenses.
Top 0.10 ft bony with pyrite. |
|
384.79 |
384.87 |
0.08 |
Bone, minor cleat calcite. |
|
384.87 |
385.00 |
0.13 |
Coal, durain, medium density,
common cleat calcite. |
|
385.00 |
385.10 |
0.10 |
Coal, clarain, dull, common
cleat calcite. |
|
385.10 |
385.13 |
0.03 |
Coal, vitrain. |
|
385.13 |
385.39 |
0.26 |
Coal, clarain, bright, with few
thin vitrains, common cleat calcite. |
|
385.39 |
385.49 |
0.10 |
Coal, clarain, dull, few thin
vitrains, minor cleat calcite. |
|
385.49 |
385.64 |
0.15 |
Coal, clarain, bright, with
abundant I x 30mm pyrite lenses. |
|
385.64 |
385.65 |
0.01 |
Bone. |
|
385.65 |
385.95 |
0.30 |
Shale, parting, carbonaceous,
bony with interbedded pyrite lenses and minor 1 mm vitrains. |
|
385.95 |
386.05 |
0.10 |
Coal, parting, black,
carbonaceous, with occasional thin stringers of vitrains and fusains with
large stem impressions. |
|
386.05 |
386.08 |
0.03 |
Coal, clarain, bright with 2
thin (1 mm) carbonaceous shale bands, one with large lycopod impression (1 cm
between vertical ribase). |
|
386.08 |
386.45 |
0.37 |
Shale, parting, carbonaceous
with occasional thin coal stringers and thin vertical pyrite veins (possibly
pyritized roots). |
|
386.45 |
386.75 |
0.30 |
Shale, parting, carbonaceous,
very bony, with large plant fossil fragments. More bony towards top, contains
large mineralized (kaolinite?) uncompressed fusain lenses up to 0.03 ft
thick. |
|
386.75 |
386.77 |
0.02 |
Coal, clarain, dull. |
|
386.77 |
386.79 |
0.02 |
Shale, parting, black,
carbonaceous. |
|
386.79 |
386.81 |
0.02 |
Coal, clarain, dull. |
|
386.81 |
387.05 |
0.24 |
Shale, parting, black,
carbonaceous, few 1 mm coal stringers, and very abundant large, very well
preserved plant fossils (mainly extremely large Cordaites leaves larger than
the 2 inch core diameter). Large stems were common, coalified and contain
pyrite. |
|
387.05 |
387.16 |
0.11 |
Shale, parting, black,
carbonaceous. |
|
387.16 |
388.04 |
0.88 |
Shale, parting, black,
carbonaceous, few 1 mm coal stringers and very abundant large, very well
preserved plant fossils (mainly extremely large Cordaites leaves larger than
the 2 inch core diameter). Large stems were common, coalified and contain
pyrite. |
|
388.04 |
388.05 |
0.01 |
Coal, clarain, bright with thick
continuous pyritized fusain. |
|
388.05 |
388.90 |
0.85 |
Claystone, very dark gray, basal
contact arbitrary on grain size change. |
|
388.90 |
394.45 |
5.55 |
Mudstone, very dark gray, silty,
locally a siltstone. |
|
394.45 |
403.10 |
8.65 |
Sandstone, medium-grained,,
light gray, occasional stylolites
throughout, clay pebbles at 396.9', frequent carbonaceous streaks,
massive-bedded with hint of angular-bedding, basal contact sharp and
inclined. |
|
403.10 |
403.32 |
0.22 |
Shale, black, carbonaceous,
occasional slickensides |
|
403.32 |
404.55 |
1.23 |
Siltstone, dark gray to black,
with gray very fine grained sandstone interbeds, soft sediment deformation at
base, plant fragments, basal contact arbitrary. |
|
404.55 |
407.70 |
3.15 |
Mudstone, dark gray to black,
plant fragments, slickensides at base, basal contact sharp on coal. |
|
|
Unnamed coal bed, 407.70 -
408.44' (0.74'), Elv.= 2901.30', not sampled. |
|
407.70 |
407.80 |
0.10 |
Coal, durain, matted cleat
surface, medium density, interbedded with several I mm vitrain bands
extending across the core and common 1 x 3mm lenses of pyrite. |
|
407.80 |
408.04 |
0.24 |
Coal, clarain, bright, minor
pyritized fusains. |
|
408.04 |
408.07 |
0.03 |
Fusain, mineralized with clays? |
|
408.07 |
408.08 |
0.01 |
Coal, vitrain. |
|
408.08 |
408.10 |
0.02 |
Coal, clarain, dull. |
|
408.10 |
408.19 |
0.09 |
Fusains, numerous fusain bands
across core 1-2mm thick interbedded with carbonaceous shales, slickensided,
some fusinized stems 1 cm in diameter. |
|
408.19 |
408.39 |
0.20 |
Coal, clarain, bright with
occasional pyritized fusains. |
|
408.39 |
408.44 |
0.05 |
Coal, clarain, bright with
numerous 1 mm thick and 1-5 cm long fusain lenses filled with pyrite and
minor sulfates. |
|
408.44 |
410.46 |
2.02 |
Claystone, black, abundant plant
fragments, slickensides, basal contact arbitrary. |
|
410.46 |
413.13 |
2.67 |
Mudstone, silty, black, thin
dark gray silty lenses, ironstone pebbles 411.25 - 411.6', plant fragments,
basal contact arbitrary on lithology. |
|
413.13 |
413.80 |
0.67 |
Sandstone, fine grained, ripples
with shale drapes, coaly lenses, basal contact arbitrary on lithology. |
|
413.80 |
416.35 |
2.55 |
Shale, dark gray, occasional
silty streaks near base, plant fragments, base sharp on lithology. |
|
416.35 |
416.60 |
0.25 |
Sandstone, fine grained, gray,
iron-stained, massive, clay ripups at base, base sharp. |
|
416.60 |
417.20 |
0.60 |
Claystone, dark gray to black,
plant fragments, poorly-developed slickensides, basal contact arbitrary. |
|
417.20 |
417.75 |
0.55 |
Claystone, siltstone streaks,
dark gray, basal contact arbitrary. |
|
417.75 |
421.00 |
3.25 |
Mudstone, dark gray, siderite
nodules, small pyrite masses, abundant plant fragments. |
|
421.00 |
421.49 |
0.49 |
Siltstone, dark gray, with light
gray fine grained sandstone streaks, base sharp on decreasing sandstone
percentage. |
|
421.49 |
421.99 |
0.50 |
Mudstone, dark gray, plant
fragments, basal contact arbitrary. |
|
421.99 |
422.43 |
0.44 |
Sandstone, fine grained, light
gray with dark gray streaks, fining-upward sequence, mud draped ripples,
basal contact arbitrary on increasing sandstone percentage. |
|
422.43 |
422.85 |
0.42 |
Sandstone, light gray, fine
grained, slightly silty to top. |
|
422.85 |
423.63 |
0.78 |
Mudstone, slightly silty, dark
gray, low angle sandstone ripples and occasional scours, basal contact
arbitrary on increasing sandstone percentage. |
|
423.63 |
424.75 |
1.12 |
Sandstone, light gray, fine
grained, planar, inclined bedding with mud drapes at top and 424.35 -
424.45', mudstone ripups 424.1 - 424.28'. |
|
424.75 |
425.20 |
0.45 |
Sandstone and siltstone
interbedded, light gray sandstone and dark gray siltstone, base angular and
sharp, lamina average approximately 0.03'. |
|
425.20 |
425.78 |
0.58 |
Sandstone, fine- to
medium-grained, light gray, inclined bedding at top, base sharp on lithology. |
|
425.78 |
426.63 |
0.85 |
Mudstone, gray, with fine
grained sandstone streaks, occasional small sandstone lens, base sharp on
lithology. |
|
426.63 |
428.18 |
1.55 |
Sandstone, fine grained, light
gray, massive, dark gray siltstone streaks (ripples) upper 0.15', base sharp
on lithology (erosional contact). |
|
428.18 |
428.88 |
0.70 |
Claystone, black, carbonaceous,
pyrite films filling small fractures. |
|
|
Middle Kittanning coal bed,
428.88 - 430.50' (1.62'), Elv.= 2880.12', sampled 428.88 - 430.50' (1.62'). |
|
428.88 |
429.28 |
0.40 |
Core loss, loss somewhere within
the seam, descriptions questionable as coal badly broken in core barrel. |
|
429.28 |
429.59 |
0.31 |
Coal, clarain, fusain bands <
.01'. |
|
429.59 |
429.69 |
0.10 |
Coal, clarain, bright. |
|
429.69 |
429.76 |
0.07 |
Fusain |
|
429.76 |
430.20 |
0.44 |
Coal, clarain, bright. |
|
430.20 |
430.35 |
0.15 |
Bone |
|
430.35 |
430.50 |
0.15 |
Coal, clarain, bright. |
|
430.50 |
430.80 |
0.30 |
Claystone, seat earth, very dark
gray, slickensides, pyrite film on fracture faces, base sharp on lithology. |
|
430.80 |
434.80 |
4.00 |
Claystone, dark gray, crumbly at
top, abundant slickensides, plant fragments, siderite nodules and scattered
siderite masses, base arbitrary. |
|
434.80 |
435.80 |
1.00 |
Mudstone, dark gray, with
angular to subangular kaolinite fragments, poorly-developed slickensides,
angular shear zone 435.45 - 435.55', basal contact arbitrary. |
|
435.80 |
436.60 |
0.80 |
Mudstone, dark gray, crumbly,
thin coal streaks, abundant slickensides, base on lithology. |
|
436.60 |
437.35 |
0.75 |
Claystone, dark gray,
slickensides, basal contact arbitrary. |
|
437.35 |
440.35 |
3.00 |
Siltstone, gray, siderite-rich
zone at 440.0', basal contact gradational and arbitrary on diagenesis. |
|
440.35 |
440.57 |
0.22 |
Sandstone, fine grained,
massive, abundant siderite cement, base sharp on loss of diagenesis (siderite
cement). |
|
440.57 |
446.30 |
5.73 |
Siltstone, dark gray, with
occasional sandstone streaks, siderite streaks, mud drapes, occasional plant
fragments throughout, basal contact arbitrary. |
|
446.30 |
449.00 |
2.70 |
Claystone, dark gray,
slickensides, plant fragments, occasional pyrite film on slickensides, basal
contact arbitrary. |
|
449.00 |
450.35 |
1.35 |
Sandstone, fine grained, light
gray with dark gray streaks, low angle ripples, base sharp on scour. |
|
450.35 |
450.52 |
0.17 |
Sandstone, light gray, fine
grained, rippled, base sharp on lithology. |
|
450.52 |
452.15 |
1.63 |
Claystone, dark gray, with light
gray sandstone streaks, sandstone increases toward top, coarsening-upward
sequence, basal contact arbitrary. |
|
452.15 |
453.00 |
0.85 |
Siltstone, dark gray, with light
gray sandstone ripples, siderite zone at 452.7, plant fragments, basal
contact arbitrary |
|
453.00 |
453.97 |
0.97 |
Siltstone, dark gray, plant
fragments, base sharp on diagenesis (siderite cement). |
|
453.97 |
454.65 |
0.68 |
Siltstone, dark gray, abundant
siderite cement, abundant plant fragments, basal contact arbitrary on base of
diagenesis. |
|
454.65 |
460.55 |
5.90 |
Claystone, dark gray,
siderite-rich zones to base, coal streaks, abundant good plant fossils
throughout, base sharp on coal below. |
|
|
Lower Kittanning coal bed 460.55
- 465.06' (4.51', part= 1.51'), Elv.= 2880.12', sampled 460.55 - 465.24'
(4.69'). |
|
460.55 |
460.72 |
0.17 |
Coal, clarain, dull, abundant
fusains and sulfates, one large 3mm fusain filled with clays and pyrite near
middle. |
|
460.72 |
460.81 |
0.09 |
Shale, black, very carbonaceous,
abundant plant trash, common mineralized fusains, abundant sulfates,
slickensided. |
|
460.81 |
461.35 |
0.54 |
Coal, clarain, dull, fusains
very rich in sulfates throughout. |
|
461.35 |
461.77 |
0.42 |
Coal, clarain, dull, badly
broken in core, very rich in sulfates and pyritized fusains. |
|
461.77 |
461.89 |
0.12 |
Siltstone, dark gray, very
carbonaceous, poorly bedded, common large (>1 cm) leaf and stem
impressions, very abundant yellow sulfates. |
|
461.89 |
462.11 |
0.22 |
Siltstone, brownish gray, poorly
bedded, common large (>1 cm) leaf and stem impressions, minor sulfates. |
|
462.11 |
462.41 |
0.30 |
Shale, medium gray, massive,
nonbedded with numerous 1 cm thick, light gray siltstone lenses, abundant
large leaf impressions, minor amounts of pyrite and sulfates. |
|
462.41 |
462.47 |
0.06 |
Flint clay (?), medium gray
matrix with dark gray, cm size interclasts, massive, silty, abundant large
leaf impressions, minor amount of sulfates. |
|
462.47 |
462.61 |
0.14 |
Flint clay (?), dark gray,
massive, silty, conchoidal fracture, contains angular and subrounded, medium
gray interclasts. |
|
462.61 |
462.66 |
0.05 |
Coal, clarain, bright with thick
vitrains, lenticular in core. |
|
462.66 |
463.07 |
0.41 |
Claystone, fissile,
carbonaceous, abundant large stem and leaf impressions, slickensided, common
sulfates. |
|
463.07 |
463.44 |
0.37 |
Shale, dark gray, poorly-bedded,
minor sulfates, abundant stem and leaf plant trash. |
|
463.44 |
463.53 |
0.09 |
Shale, dark gray, very
carbonaceous, large stem impressions, very rich in yellow sulfates on
bedding. |
|
463.53 |
463.58 |
0.05 |
Bone, extremely rich in yellow
sulfates. |
|
463.58 |
464.55 |
0.97 |
Coal, clarain, bright with
common discontinuous fusains up to 3mm in
thickness filled with clays and minor pyrite, top 0.61' highly fractured in core. |
|
464.55 |
464.83 |
0.28 |
Coal, clarain, dull, common
pyritized and clay-filled fusains every 0.03-0.05 ft in core. |
|
464.83 |
464.86 |
0.03 |
Bone, abundant (-50 percent)
pyrite lenses and layers. |
|
464.86 |
464.94 |
0.08 |
Coal, clarain, dull, abundant
small pyrite lenses throughout. |
|
464.94 |
464.96 |
0.02 |
Pyrite, irregular and contorted,
continuous in core, contains stem impressions at top and bottom, probably
pyritized fusain. |
|
464.96 |
465.06 |
0.10 |
Coal, clarain, dull. |
|
465.06 |
467.23 |
2.17 |
Claystone, dark gray, upper
0.02' bony, abundant plant fragments, coaly streaks, small (<0.01')
kaolinite fragments, (gleyed paleosol), 0.02' core loss, slickensides,
sulfates on bedding surfaces, basal contact arbitrary. |
|
467.23 |
468.02 |
0.79 |
Siltstone, dark gray, with light
gray, fine grained, sandstone streaks, sandstone content increases toward
base, fining-upward sequence, basal contact arbitrary on lithology. |
|
468.02 |
468.52 |
0.50 |
Sandstone, light to medium gray,
inclined bedding top half, base sharp on lithology. |
|
468.52 |
468.68 |
0.16 |
Siltstone, dark gray,
slickensides, base sharp. |
|
468.68 |
478.62 |
9.94 |
Sandstone, light gray, fine
grained at base, becoming coarser toward top, upper 4.5' massive, stylolites,
occasional pyrite masses, basal contact arbitrary, lower part fractured. |
|
478.62 |
480.35 |
1.73 |
Sandstone, light gray, fine
grained, ripples with mud drapes, 0.21' siderite-rich zone at 480.16', base
sharp on color change. |
|
480.35 |
481.98 |
1.63 |
Sandstone, light gray, fine
grained, siderite-rich zones at 480.7' and 481.5', basal contact arbitrary on
color change. |
|
481.98 |
483.55 |
1.57 |
Sandstone, light gray, fine
grained, with dark gray siltstone streaks, fining-upward sequence, ripples at
top, siderite-rich zone 482.2 - 482.26', base sharp on color and lithology. |
|
483.55 |
484.16 |
0.61 |
Sandstone and siltstone
interbedded, sandstone, light gray, fine grained, siltstone, dark gray, small
ripples, basal contact arbitrary. |
|
484.16 |
485.43 |
1.27 |
Siltstone, dark gray, occasional
fossil fragments, sandstone streaks, basal contact arbitrary. |
|
485.43 |
485.57 |
0.14 |
Sandstone, fine grained, light
gray with dark gray streaks, basal contact arbitrary. |
|
485.57 |
490.03 |
4.46 |
Shale, black, basal contact
arbitrary. |
|
490.03 |
490.70 |
0.67 |
Mudstone, black, siderite-rich
at top, occasional slickensides, pyrite specks concentrated in layers,
gradational basal contact. |
|
490.70 |
499.34 |
8.64 |
Flint clay, light gray, mixed
with overlying mudstone above, slickensides, basal contact arbitrary. |
|
499.34 |
500.22 |
0.88 |
Siltstone, light gray, sandstone
streaks, slickensides. |
|
500.22 |
501.45 |
1.23 |
Claystone, silty, gray,
well-developed slickensides, plant fragments. |
|
501.45 |
502.05 |
0.60 |
Claystone, silty, light gray,
fractures filled with gray, silty material, slickensides. |
|
502.05 |
504.25 |
2.20 |
Sandstone, very fine grained,
siderite nodules, zone of ripups and clay drapes 503.9 - 504.1',
siderite-rich. |
|
504.25 |
506.00 |
1.75 |
Siltstone, gray, with abundant
claystone ripups, carbonaceous material, angular clasts (flint clay ripups). |
|
506.00 |
506.33 |
0.33 |
Claystone, light gray, dark gray
carbonaceous zones. |
|
506.33 |
506.40 |
0.07 |
Siltstone, reddish-gray,
siderite-rich. |
|
506.40 |
506.95 |
0.55 |
Claystone, light gray, organic
fragments. |
|
506.95 |
509.20 |
2.25 |
Claystone, black, slickensides,
occasional plant fragments, basal contact arbitrary |
|
509.20 |
510.30 |
1.10 |
Shale, black, poorly-developed
slickensides. |
|
510.30 |
510.78 |
0.48 |
Claystone, dark gray, plant
fragments, poorly-developed slickensides, basal contact arbitrary. |
|
510.78 |
512.40 |
1.62 |
Claystone, slightly silty, gray,
poorly-developed, slickensides, basal contact arbitrary |
|
512.40 |
513.10 |
0.70 |
Siltstone, clayey, gray. |
|
513.10 |
514.30 |
1.20 |
Claystone, gray, basal contact
arbitrary. |
|
514.30 |
515.50 |
1.20 |
Siltstone, gray, fining-upward
sequence, basal contact arbitrary. |
|
515.50 |
518.82 |
3.32 |
Siltstone, very dark gray,
finely-bedded, occasional ripples with scours, trace amounts of pyrite, basal
contact arbitrary. |
|
518.82 |
521.55 |
2.73 |
Claystone, slightly silty,
locally shaley, black, occasional plant trash on bedding, basal contact
arbitrary. |
|
521.55 |
521.97 |
0.42 |
Siltstone, sandstone streaks,
black, basal contact arbitrary. |
|
521.97 |
522.78 |
0.81 |
Sandstone and shale,
interbedded, black shale, medium gray sandstone, basal contact arbitrary. |
|
522.78 |
523.43 |
0.65 |
Claystone, slightly silty,
black, occasional plant trash, base sharp. |
|
523.43 |
523.65 |
0.22 |
Siltstone, abundant siderite
cement, base sharp. |
|
523.65 |
525.10 |
1.45 |
Shale, black, occasional plant
trash on bedding. |
|
525.10 |
525.85 |
0.75 |
Siltstone, extremely dense
(heavy), siderite cement, rich in accessory minerals, micaceous, basal
contact sharp. |
|
525.85 |
527.10 |
1.25 |
Claystone, black, slickensides,
plant fragments on bedding planes, siltstone clasts at 526.9' (ripups?),
basal contact sharp. |
|
527.10 |
527.66 |
0.56 |
Siltstone, siderite-rich cement,
quartz-filled veins, mud drapes with slickensides, basal contact sharp on
lithology. |
|
527.66 |
532.13 |
4.47 |
Claystone, black, slightly silty
530.4 - 531.1', base arbitrary on color change. |
|
532.13 |
535.21 |
3.08 |
Claystone, gray, plant
fragments, slickensides, basal contact arbitrary. |
|
535.21 |
536.67 |
1.46 |
Claystone, silty. |
|
536.67 |
538.10 |
1.43 |
Claystone, slightly shaley, very
dark gray to black, occasional plant fragments, base sharp on lithology and
color change. |
|
538.10 |
539.00 |
0.90 |
Siltstone, gray, burrows or root
traces at fop, basal contact gradational. |
|
539.00 |
539.54 |
0.54 |
Claystone, very slightly silty,
brownish-gray, plant fragments, basal contact arbitrary. |
|
539.54 |
543.16 |
3.62 |
Claystone, very dark gray,
occasional poorly-developed slickensides, basal contact arbitrary. |
|
543.16 |
545.10 |
1.94 |
Siltstone, gray, siderite
nodules, more common toward top, fining-upward sequence, occasional pyrite
mass, occasional plant fragments, gradational basal contact. |
|
545.10 |
547.28 |
2.18 |
Sandstone, fine grained, light
gray, abundant ripples, basal contact arbitrary. |
|
547.28 |
548.33 |
1.05 |
Siltstone, sandstone streaks,
medium to dark gray, plant fragments, sharp basal contact. |
|
548.33 |
548.90 |
0.57 |
Siltstone, gray, abundant plant
trash, disseminated siderite, occasional slickensides, base sharp on
lithology. |
|
548.90 |
549.66 |
0.76 |
Shale, poorly fissile, black,
slickensides, occasional plant fragment, base sharp. |
|
549.66 |
549.81 |
0.15 |
Siltstone, siderite-rich, base
sharp on lithology. |
|
549.81 |
550.80 |
0.99 |
Claystone, black, occasional
coal streaks basal 0.3', occasional plant fragments, slickensides. |
|
|
Unnamed coal bed, 550.80 -
551.32' (0.52'), Elv.= 2758.20', sampled 550.80 - 551.96' (1.16'). |
|
550.80 |
551.32 |
0.52 |
Coal, clarain, bright, very rich
in soft fusains of 0.01 - 0.02' thickness, (sampled). |
|
551.32 |
551.96 |
0.64 |
Claystone, carbonaceous, black,
plant fossils, coal streaks, basal contact arbitrary, becomes slightly silty
toward base, Stigmaria ficoides. |
|
551.96 |
554.80 |
2.84 |
Siltstone, dark gray to brown
gray, plant fragments, roof traces, basal contact arbitrary. |
|
554.80 |
561.30 |
6.50 |
Siltstone, gray, plant
fragments, basal contact arbitrary. |
|
561.30 |
562.03 |
0.73 |
Sandstone, light gray, ripples,
plant fragments, shale ripups, base sharp on color change. |
|
562.03 |
562.43 |
0.40 |
Sandstone, gray, ripples, light
gray sandstone streaks (less matrix), base sharp on color change. |
|
562.43 |
562.85 |
0.42 |
Sandstone, light gray, small
shale ripups, base sharp on color change. |
|
562.85 |
563.84 |
0.99 |
Sandstone, gray, massive,
occasional mud ripups, basal contact arbitrary. |
|
563.84 |
566.85 |
3.01 |
Sandstone, light gray,
cross-bedded, ripples, mud drapes, mud ripups, organic material to base,
poorly-developed slickensides, possible root traces, basal contact arbitrary. |
|
566.85 |
570.03 |
3.18 |
Sandstone, light to medium gray,
fine grained, rippled, thin shale streaks, small, poorly-developed
slickensides in shale streaks, basal contact arbitrary. |
|
570.03 |
571.08 |
1.05 |
Sandstone, light gray, shale
streaks, fine grained, base sharp and angular. |
|
571.08 |
571.13 |
0.05 |
Shale, dark gray, base sharp. |
|
571.13 |
573.03 |
1.90 |
Sandstone, light gray,
cross-bedded, slickensides, shale streaks, fine grained, basal contact
arbitrary. |
|
573.03 |
573.96 |
0.93 |
Sandstone, gray, shale streaks,
root traces at top, basal contact arbitrary. |
|
573.96 |
582.20 |
8.24 |
Sandstone, fine grained, gray,
occasional coal streaks, low angle cross-beds with occasional ripples, base
sharp on lithology, occasional plant fossils. |
|
582.20 |
582.72 |
0.52 |
Siltstone, dark gray, coal
streaks, angular basal contact. |
|
582.72 |
584.10 |
1.38 |
Sandstone, light gray, fine
grained, cross-bedded, mud drapes, coal streaks, occasional ripples near
base, basal contact arbitrary. |
|
584.10 |
586.42 |
2.32 |
Sandstone, light gray, fine
grained, abundant coal streaks, root traces, cross-bedded, basal contact
arbitrary. |
|
586.42 |
589.95 |
3.53 |
Sandstone, light gray, fine
grained, low angle cross-beds, base sharp on contact (erosional). |
|
589.95 |
590.80 |
0.85 |
Sandstone, light to medium gray,
fine grained, gray siltstone interbeds, low angle bedding, coal spars near
base, occasional siderite nodules, basal contact arbitrary. |
|
590.80 |
591.31 |
0.51 |
Sandstone, gray, fine grained,
coal spars and shale ripups, occasional low angle cross-beds toward base,
base sharp. |
|
591.31 |
592.85 |
1.54 |
Sandstone, gray, massive, with
occasional shale streaks at top, basal contact arbitrary. |
|
592.85 |
593.14 |
0.29 |
Sandstone, gray, shale ripups,
basal contact sharp (erosional). |
|
593.14 |
593.32 |
0.18 |
Sandstone, gray, fine grained,
slightly planar bedded, basal contact arbitrary. |
|
593.32 |
595.02 |
1.70 |
Sandstone, fine grained, gray,
shale ripups, angular coal spars, siderite nodules, basal contact arbitrary. |
|
595.02 |
595.25 |
0.23 |
Sandstone, fine- to
medium-grained, gray, abundant siderite nodules becoming more common towards
base, basal contact arbitrary. |
|
595.25 |
595.59 |
0.34 |
Sandstone, gray, massive, basal
contact arbitrary. |
|
595.59 |
599.45 |
3.86 |
Sandstone, gray, fine- to
medium-grained, slight fining-upward sequence, low angle to planar bedded,
basal contact arbitrary. |
|
599.45 |
600.97 |
1.52 |
Sandstone, light to medium gray,
medium-grained, coal spars, bedding angular with mud drapes, basal contact
arbitrary. |
|
600.97 |
606.90 |
5.93 |
Sandstone, light to medium gray,
very thin-bedded, low angle bedding, basal contact arbitrary, shale ripups at
601.0'. |
|
606.90 |
608.75 |
1.85 |
Sandstone, light gray, fine- to
medium-grained, abundant coal spars in upper half, low angle cross-beds,
abundant siderite nodules basal 0.2', base sharp on lithology. |
|
608.75 |
609.03 |
0.28 |
Claystone, very dark gray,
base sharp. |
|
609.03 |
609.72 |
0.69 |
Sandstone, gray, fine grained,
low angle cross-beds, basal contact arbitrary. |
|
609.72 |
610.58 |
0.86 |
Sandstone, light gray, fine
grained, siderite nodules, abundant coal spars, base sharp and angular. |
|
610.58 |
611.20 |
0.62 |
Sandstone, light gray, fine
grained, low angle cross-beds becoming steeper toward top, base sharp on
lithology. |
|
611.20 |
611.37 |
0.17 |
Sandstone, fine grained, light
gray, abundant coal streaks, basal contact arbitrary. |
|
611.37 |
626.07 |
14.70 |
Siltstone, dark gray, occasional
light gray, fine grained, sandstone streak throughout, plant trash and
fragments, occasional siderite nodules, basal contact arbitrary. |
|
626.07 |
628.80 |
2.73 |
Claystone, very dark gray,
contains thin sandstone stringers, plant fragments, basal contact arbitrary. |
|
628.80 |
641.77 |
12.97 |
Claystone, very dark gray,
siderite zone 629.7 - 629.87', occasional plant fragments and trash on
bedding. |
|
641.77 |
642.45 |
0.68 |
Claystone, hard, dark gray,
calcite filled fractures or roots in top half, siderite rich toward base,
occasional slickensides. |
|
642.45 |
643.65 |
1.20 |
Mudstone, very dark gray,
slickensides bottom ½, color lightens slightly to base, plant fragments
abundant, basal contact arbitrary |
|
643.65 |
645.83 |
2.18 |
Claystone, gray, darkens
slightly to base, basal contact arbitrary. |
|
645.83 |
651.93 |
6.10 |
Claystone, slightly silty, black
to very dark gray, slickensides top, base sharp on lithology. |
|
651.93 |
652.74 |
0.81 |
Shale, dark gray to black,
carbonaceous with a few isolated coal stringers. |
|
|
0.00 |
Unnamed coal bed, 652.74 -
653.10' (0.36'), Elv.= 2656.26', sampled 651.93 - 653.10' (1.17'). |
|
652.74 |
653.10 |
0.36 |
Coal, clarain, bright, with 0.08
ft bone band. |
|
653.10 |
653.75 |
0.65 |
Sandstone, very fine grained,
dark gray, coal streaks, base arbitrary. |
|
653.75 |
656.13 |
2.38 |
Siltstone, very dark gray, plant
fragments on bedding, base arbitrary. |
|
656.13 |
658.30 |
2.17 |
Claystone, dark gray,
slickensides, abundant plant fragments, base sharp on lithology. |
|
658.30 |
659.00 |
0.70 |
Claystone, interbedded with
coal, 0.6'core loss. |
|
659.00 |
664.70 |
5.70 |
Claystone, very dark gray,
siderite nodule at 663.9', plant fragments, poorly-developed slickensides,
basal contact arbitrary. |
|
664.70 |
667.97 |
3.27 |
Siltstone, gray, with light
gray, rippled sandstone steaks, sandstone increases toward base, base
arbitrary, plant fragments. |
|
667.97 |
672.90 |
4.93 |
Siltstone, dark gray,
coarsening-upward sequence, slickensides, occasional plant fragment, base
arbitrary on lithology. |
|
672.90 |
675.48 |
2.58 |
Claystone, black, calcareous,
siderite nodules at 674.75', occasional slickensides, occasional plant
fragments, base sharp on lithology. |
|
|
Unnamed coal bed, 675.48 -
675.83 (0.35'), Elv.= 2633.52' |
|
675.48 |
675.83 |
0.35 |
Coal, interbedded with
carbonaceous shale, base arbitrary. |
|
675.83 |
676.43 |
0.60 |
Claystone, slightly silty,
black, carbonaceous, abundant plant fragments, base arbitrary, becomes
slightly sandy toward base. |
|
676.43 |
679.00 |
2.57 |
Sandstone, light-medium gray,
lightens to light gray toward base, fining-upward sequence, plant fragments
locally abundant. |
|
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