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 Jackson Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1730Ma - 1690Ma 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
USGS-Rb-Sr-07118	1730	1690				114624	Unknown Fluorine - Fluorite Occurrence (MRDS - 10288530), Northgate District, Jackson Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr

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
sedexmvt-00230	2500	1600				133832	Cummins City, North Park, Jackson Co., Colorado, USA	Taylor et al. (2009)	USGSOFR2009_1297
USGS-Rb-Sr-07118	1730	1690				114624	Unknown Fluorine - Fluorite Occurrence (MRDS - 10288530), Northgate District, Jackson Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr