Holland Quarry Shale Explained

Holland Quarry Shale
Type:	Formation
Age:	Devonian
Period:	Devonian
Underlies:	Detroit River Group and Sylvania Sandstone

The Holland Quarry Shale is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period.

See also

• List of fossiliferous stratigraphic units in Ohio

References

• Web site: Fossilworks: Gateway to the Paleobiology Database. ((Various Contributors to the Paleobiology Database)). 17 December 2021. 25 March 2022. https://web.archive.org/web/20220325060448/http://www.fossilworks.org/cgi-bin/bridge.pl?action=home. dead.