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 Hydrozincite at Tin Mountain Mine, Fourmile, Custer District, Custer Co., South Dakota, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1710Ma - 1580Ma at this locality

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
Scott-GCA51_1101-0001	1710	1580				4121	Tin Mountain Mine, Fourmile, Custer District, Custer Co., South Dakota, USA	Clark and Černý (1987)	GCA51_1101

Locality age (remote)

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
Be-00023	1702	1702		Ehrleite, Fransoletite, Greifensteinite, Pahasapaite, Parafransoletite, Roscherite, Tiptopite	Be	4122	Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA	Dahl and Foland (2008)	AM93_1215
Be-00046	1702	1702		Faheyite	Be	45259	Roosevelt Group (Rough Rider), Custer, Custer District, Custer Co., South Dakota, USA	Dahl and Foland (2008)	AM93_1215