• Source: Trenton Group

The Trenton Group is a geologic unit in Canada and Michigan, Ohio, New York State and Indiana, Pennsylvania, and West Virginia in the United States. It dates back to the Ordovician period.




See also


List of fossiliferous stratigraphic units in Michigan
Trenton Gas Field
Indiana gas boom
Petroleum industry in Ohio




References



Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 22 June 2014.

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