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 Aguila District, Big Horn Mts, Maricopa Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 161Ma - 161Ma 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
podchrome-00022	161	161			Cr	44090	Black Bart Mine (Black Bart Group Of Claims; Lucky Mine), Aguila District, Big Horn Mts, Maricopa Co., Arizona, USA	Moiser et al. (2012)	USGSSIR2012_5157

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
podchrome-00022	161	161			Cr	44090	Black Bart Mine (Black Bart Group Of Claims; Lucky Mine), Aguila District, Big Horn Mts, Maricopa Co., Arizona, USA	Moiser et al. (2012)	USGSSIR2012_5157