Freeport Formation
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The Freeport Formation is a geologic formation in Pennsylvania and Ohio. It preserves fossils dating back to the Late Pennsylvanian period.[2] It is within the Allegheny Group.
Quick Facts Type, Location ...
Freeport Formation | |
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Stratigraphic range: Pennsylvanian | |
Type | Formation |
Location | |
Region | Pennsylvania, Ohio |
Country | United States |
Type section | |
Named for | Freeport, Pennsylvania |
Named by | H. D. Rogers, 1840[1] |
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