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 Brochantite at Bullard Mine Group (Mohawk Mine; Columbia Mine; Columbus Group), Cunningham Pass District, Harcuvar Mts, La Paz Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 73.2Ma - 24.79Ma 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_00000353	73.2	67.4				33613	Harcuvar Mts, La Paz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000392	25.87	24.79				33425	Cunningham Pass District, Harcuvar Mts, La Paz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201

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_00000353	73.2	67.4				33613	Harcuvar Mts, La Paz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000373	52.1	49.9				33613	Harcuvar Mts, La Paz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000392	25.87	24.79				33425	Cunningham Pass District, Harcuvar Mts, La Paz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201