Evidence for the correlation of the upper part of the Llewellyn Formation (Pennsylvania Anthracite region), with the Monongahela Formation
Northeastern Geology and Environmental Sciences
By: J.R. Eggleston, C. Wnuk, and W.E. Edmunds
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Abstract
A plant fossil assemblage from the roof shale of the No. 25 anthracite bed in Pennsylvania indicates that the upper part of the Llewellyn Formation is much younger than the lower part of the Allegheny Group or Conemaugh Group correlation that was indicated by Read and Mamay (1960). These results confirm the conclusions of Fontaine and White (1880), White (1900), and Darrah (1969) who suggested that the highest coals of the Llewellyn Formation could be equivalent to the Monongahela Group.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Evidence for the correlation of the upper part of the Llewellyn Formation (Pennsylvania Anthracite region), with the Monongahela Formation |
| Series title | Northeastern Geology and Environmental Sciences |
| Volume | 18 |
| Issue | 3 |
| Year Published | 1996 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Northeastern Geology and Environmental Sciences |
| First page | 230 |
| Last page | 236 |
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