Mifflintown Formation

Mifflintown Formation
Stratigraphic range: Silurian
TypeFormation
UnderliesBloomsburg Formation
OverliesKeefer Formation
Location
RegionMaryland, Pennsylvania, and Virginia
CountryUnited States

The Mifflintown Formation is a geologic formation in Maryland, Pennsylvania, and Virginia. It preserves fossils dating back to the Silurian period. The type location is near Mifflintown, Pennsylvania.