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 Pyrolusite at Cedar Mountain, Pinaleño Mts, Aravaipa District, Graham Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 331Ma - 33.9Ma 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
Giersdorf_00000339	331	319				31266	Pinaleño Mts, Aravaipa District, Graham Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
sedznpb-00443	56	33.9				29785	Aravaipa District, Graham Co., Arizona, USA	Singer et al. (2009)	USGSOFR2009-1252

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
Giersdorf_00000339	331	319				31266	Pinaleño Mts, Aravaipa District, Graham Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
sedznpb-00443	56	33.9				29785	Aravaipa District, Graham Co., Arizona, USA	Singer et al. (2009)	USGSOFR2009-1252