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 Quartz at Orange River, Namakwa District (Namaqualand), Northern Cape, South Africa

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 988Ma - 977.4Ma 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
Alexandra-0249	988	977.4			Ta,Nb	56220	Orange River, Namakwa District (Namaqualand), Northern Cape, South Africa	Melcher et al. (2015)	OGR64_667

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-0249	988	977.4			Ta,Nb	56220	Orange River, Namakwa District (Namaqualand), Northern Cape, South Africa	Melcher et al. (2015)	OGR64_667
Alexandra-0250	984.7	978.1			Ta,Nb	56220	Orange River, Namakwa District (Namaqualand), Northern Cape, South Africa	Melcher et al. (2015)	OGR64_667
Alexandra-0251	987.7	982.1			Ta,Nb	56220	Orange River, Namakwa District (Namaqualand), Northern Cape, South Africa	Melcher et al. (2015)	OGR64_667