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Ridgely Quartzite

Ridgely quartzite, Allegany County, Maryland.

Type Quartzite

Collection Location:
The Ridgely Quartzite comes from the Ridgely Sandstone Member of the Oriskany Formation. The sample was collected from Flintstone, Allegany County, Maryland.

Ridgely is a sedimentary orthoquartzite ranging in color from white, tan, light to medium gray, and pink. The quartzite exhibits a homogenous, fine-grained, sugary texture with few bedding planes or internal flaws.


Cultural Implications


Prepared By Ebright 1999

Updated: October 22, 2016