Lignite This is a cool piece of lignite I found the other day. It's a piece of lignite (a low grade of coal which retains its woody structure) embedded in a some clay-like matrix which also has lots of mica and some cool pyrite crystals.
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Age
| Cretaceous Era |
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Category
| Plant |
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Formation
| Patuxent Formation |
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Location
| Virginia, USA |
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Species
| Unidentified - Other |
| ID | 2557 |
| Member | FromtheArundel110 |
| Date Added | 1/17/2008 |
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