Sharon Conglomerate Explained

Sharon Conglomerate
Type:Sedimentary
Age:Pennsylvanian
Prilithology:conglomerate
Namedfor:Sharon, Pennsylvania
Region:Pennsylvania
Country:United States
Unitof:Pottsville Formation
Overlies:Meadville Shale
Extent:Pennsylvania, Ohio, Maryland

The Sharon Conglomerate is a geologic formation of early Pennsylvanian age in Pennsylvania, Ohio, and Maryland, in the United States. It is dominantly conglomerate and quartzarenite sandstone. In places it is abundantly crossbedded.

The Sharon Conglomerate is generally considered a Member of the Pottsville Formation in Pennsylvania and Maryland,[1] but it is a Formation in Ohio.

Exposures

The Sharon conglomerate has no formal type section,[2] although it is named after the town of Sharon, Pennsylvania.

One excellent exposure is located in Cuyahoga Valley National Park at "the Ledges," located southeast of the town of Peninsula, Ohio. Another exposure is at Mary Campbell Cave near Cuyahoga Falls.

Notes and References

  1. Lyons, P.C., Jacobsen, E.F., and Scott, B.K., 1985. Coal geology of the Castleman coal field, Garrett County, Maryland, U.S. Geological Survey, Coal Investigations Map C-98. Scale: 1:24,000. link.
  2. https://ngmdb.usgs.gov/Geolex/Units/Sharon_3788.html Sharon