USGS6; Stratigraphic Contacts and
Named/Unnamed Units |
|
|
|
Formation/Group |
Stratigraphic unit |
Top (ft) |
Depth (ft) |
Thick (ft) |
Elevation (ft) |
Dunkard Group |
|
0.00 |
254.65 |
254.65 |
833.00 |
|
Washington coal bed |
127.82 |
137.23 |
9.41 |
705.18 |
|
Waynesburg A coal bed |
205.34 |
205.93 |
0.59 |
627.66 |
Monongahela
Group |
254.65 |
628.05 |
373.40 |
578.35 |
|
Waynesburg coal bed |
254.64 |
259.22 |
4.58 |
578.36 |
|
Uniontown coal bed |
375.29 |
375.32 |
0.03 |
457.71 |
|
Sewickley coal bed |
505.36 |
506.59 |
1.23 |
327.64 |
|
Fishpot coal bed |
526.44 |
526.44 |
0.00 |
306.56 |
|
Redstone coal bed |
590.47 |
593.32 |
2.85 |
242.53 |
|
Pittsburgh coal bed |
627.01 |
628.05 |
1.04 |
205.99 |
Conemaugh Group |
|
628.05 |
1183.95(?) |
555.90 |
204.95 |
|
Little Pittsburgh coal bed |
670.59 |
670.59 |
0.00 |
162.41 |
|
Little Clarksburg coal bed |
782.00 |
782.00 |
0.00 |
51.00 |
|
Ames Marine Zone |
887.70 |
889.03 |
1.33 |
-54.70 |
|
Harlem coal bed |
901.55 |
904.90 |
3.35 |
-68.55 |
|
Bakerstown coal bed |
1007.15 |
1007.15 |
0.00 |
-174.15 |
|
Cambridge Marine Zone |
1034.41 |
1034.82 |
0.41 |
-201.41 |
|
Brush Creek Marine Zone |
1069.74 |
1088.70 |
18.96 |
-236.74 |
|
Brush Creek coal bed |
1096.50 |
1097.94 |
1.44 |
-263.50 |
Allegheny
Formation |
1183.95 |
1439.80 |
255.85 |
-350.95 |
|
Upper Freeport coal bed |
1183.95 |
1183.95 |
0.00 |
-350.95 |
|
Lower Freeport coal bed |
1256.85 |
1259.43 |
2.58 |
-423.85 |
|
Unnamed coal bed |
1294.48 |
1294.48 |
0.00 |
-461.48 |
|
Upper Kittanning coal bed |
1316.30 |
1317.40 |
1.10 |
-483.30 |
|
Middle Kittanning coal bed |
1359.06 |
1362.88 |
3.82 |
-526.06 |
|
Lower Kittanning coal bed |
1376.71 |
1379.64 |
2.93 |
-543.71 |
|
Clarion coal bed |
1409.42 |
1411.56 |
2.14 |
-576.42 |
Pottsville Group |
|
1439.80 |
1782.85 |
343.05 |
-606.80 |
|
Homewood Sandstone |
1439.80 |
1472.47 |
32.67 |
-606.80 |
|
Upper Tionesta coal bed |
1472.32 |
1473.01 |
0.69 |
-639.32 |
|
Lower Tionesta coal bed |
1478.58 |
1479.11 |
0.53 |
-645.58 |
|
Upper Mercer coal bed |
1483.90 |
1483.90 |
0.00 |
-650.90 |
|
Upper Connoquenessing Sandstone |
1505.63 |
1553.75 |
48.12 |
-672.63 |
|
Quakertown coal bed |
1563.92 |
1566.44 |
2.52 |
-730.92 |
|
Sharon coal bed |
1676.57 |
1678.06 |
1.49 |
-843.57 |
Mauch
Chunk Formation |
1782.85 |
1838.50 |
55.65 |
-949.85 |
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