Freeport Formation

Freeport Formation
Stratigraphic range: Pennsylvanian
TypeFormation
Location
RegionPennsylvania, Ohio
Country United States
Type section
Named forFreeport, Pennsylvania
Named byH. D. Rogers, 1840

The Freeport Formation is a geologic formation in Pennsylvania and Ohio. It preserves fossils dating back to the Late Pennsylvanian period. It is within the Allegheny Group.

See also

References

  1. โ†‘ Rogers, H. D., 1840, Fourth annual report of the geological survey of the state of Pennsylvania. Harrisburg, PA, 215 p. ()
  2. โ†‘ Freeport, National Geologic Map Database, Geolex โ€” Unit Summary.