SEDIS - Thesaurus
Alleghany Orogeny  | |
|---|---|
| UF | Alleghenian Orogeny |
| Allegheny Orogeny | |
| RT | Triassic |
| Permian | |
| Pennsylvanian | |
| orogeny | |
| Appalachians | |
| tectonics | |
| SN | An event which deformed the rocks of the Valley and Ridge Province, and those of the adjacent Allegheny Plateau in the Central Appalachians and Southern Appalachians. Pennsylvanian to Triassic? Before 1978, also search Allegheny AND orogeny. Indexed with |
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