Old Church Formation
The Old Church Formation is a geologic formation in Virginia and possibly Maryland. It preserves fossils dating back to the Oligocene epoch of the Paleogene period. It rarely exposes on land and is under-studied. However, deposits from this period are rare and the Old Church Formation likely contains many scientifically significant taxa. Ward (1985) recommended placing this formation in the Chesapeake Group.
| Old Church Formation | |
|---|---|
| Stratigraphic range: Oligocene | |
Xenorophid(?) Cetacean tooth from the Old Church formation of Virginia | |
| Type | Formation |
| Unit of | Trent Supergroup |
| Underlies | Calvert Formation, Popes Creek Sand |
| Overlies | Pamunkey Group, Piney Point Formation |
| Location | |
| Region | Virginia, Maryland |
| Country | United States |
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