Category:Intrusions (geology) in Maine by geochronology
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States of the United States: Arizona · Colorado · Idaho · Maine · Montana · Nevada · New Mexico · Pennsylvania · Utah · Vermont · Washington · Wyoming
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| Preceded by Proterozoic Eon | Phanerozoic Eon | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paleozoic Era | Mesozoic Era | Cenozoic Era | ||||||||||
| Cambrian | Ordovician | Silurian | Devonian | Carboniferous | Permian | Triassic | Jurassic | Cretaceous | Paleogene | Neogene | 4ry | |
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This category has only the following subcategory.