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 Epidote at Nemo, Lawrence Co., South Dakota, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1871.18Ma - 1731.18Ma 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-04818	1871.18	1731.18				122087	Little Elk Creek, Nemo, Lawrence Co., South Dakota, 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
USGS-Rb-Sr-04818	1871.18	1731.18				122087	Little Elk Creek, Nemo, Lawrence Co., South Dakota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04819	1871.18	1731.18				122087	Little Elk Creek, Nemo, Lawrence Co., South Dakota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04822	1863.36	1863.36				122087	Little Elk Creek, Nemo, Lawrence Co., South Dakota, USA	USGS-Rb-Sr	USGS-Rb-Sr