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 Rhodochrosite at Santa Cruz Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 63.8Ma - 61.2Ma 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
Giersdorf_00000363	63.8	61.2				34206	Four Metals Mine (Guajolote Mine; Frisco Mine; Red Hill Crosscut; Red Mountain Mine; Phoenix Claims; Hillside Claims), Red Hill, Providencia Canyon, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201

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
Giersdorf_00000343	158	150				30880	Tubac, Santa Cruz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000357	68.4	65.4				34320	Wrightson District, Santa Rita Mts, Santa Cruz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000363	63.8	61.2				34206	Four Metals Mine (Guajolote Mine; Frisco Mine; Red Hill Crosscut; Red Mountain Mine; Phoenix Claims; Hillside Claims), Red Hill, Providencia Canyon, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Mo-00271	65	65		Molybdenite, Wulfenite	Mo	53936	Santo Niño Mine Area, San Antonio Canyon, Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA	Corn (1975)	EG70_1437
PorphCu-00113	62	58		Alunite, Bornite, Chalcocite, Chalcopyrite, Covellite, Enargite, Epidote, Galena, Magnetite, Molybdenite, Pyrite, Sphalerite	Cu	53214	Red Mountain Mine (Red Mountain Copper Prospect; Gem Mine; Carlton Property; Ten Grand Mine; Red Mountain Project), Red Mountain, Patagonia Mts, Santa Cruz Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155
sedznpb-00503	66	56				3384	Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA	Singer et al. (2009)	USGSOFR2009-1252
USGS-Rb-Sr-06648	178	166.4				187385	Hermosa Group, Hardshell Gulch, Harshaw, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06649	178	166.4				187385	Hermosa Group, Hardshell Gulch, Harshaw, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06650	178	166.4				187385	Hermosa Group, Hardshell Gulch, Harshaw, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06651	178	166.4				187385	Hermosa Group, Hardshell Gulch, Harshaw, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06652	178	166.4				187385	Hermosa Group, Hardshell Gulch, Harshaw, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06653	178	166.4				187385	Hermosa Group, Hardshell Gulch, Harshaw, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06654	178	166.4				187385	Hermosa Group, Hardshell Gulch, Harshaw, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06655	178	166.4				187385	Hermosa Group, Hardshell Gulch, Harshaw, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr