Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Calcite at Huron Co., Ohio, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 383Ma - 359Ma at this locality

Age range from children

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Michelle_000573	383	359		Whewellite		266400	Huron Shale Concretions, Huron River, Huron Co., Ohio, USA	Hyde and Landy (1966)	AM51_228

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Michelle_000573	383	359		Whewellite		266400	Huron Shale Concretions, Huron River, Huron Co., Ohio, USA	Hyde and Landy (1966)	AM51_228