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 Piemontite at Kalahari Manganese Field, Northern Cape, South Africa

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 2400Ma - 1042.2Ma 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
Scott-EPSL298_125-0001	2400	2200			Mn	54254	Adams Mine, Kalahari Manganese Field, Northern Cape, South Africa	Tsikos et Al. (2010)	EPSL298_125
Scott-AM88_189-0001	1054	1042.2	Sugilite		Mn	3071	Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa	Gnos et al. (2003)	AM88_189

Mineralization 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-AM88_189-0001	1054	1042.2	Sugilite		Mn	3071	Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa	Gnos et al. (2003)	AM88_189
Scott-EPSL298_125-0001	2400	2200			Mn	54254	Adams Mine, Kalahari Manganese Field, Northern Cape, South Africa	Tsikos et Al. (2010)	EPSL298_125

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
Alexandra-0130	1040	1010	Norrishite			3071	Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa	Gnos et al. (2003)	AM88_189
Grew_Li_2019_0050	1010	1010		Lavinskyite		3071	Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa	Cairncross and Beukes (2013)	BOOK_KMF_2013
Grew_Li_2019_0103	1010	1010		Sugilite		3071	Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa	Gnos et al. (2003); Cairncross and Beukes (2013)