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 Montmorillonite at Azuay Province, Ecuador

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 20.3Ma - 18.3Ma 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
PorphCu-00499	20.3	18.3		Actinolite, Albite, Arsenopyrite, Bornite, Chalcopyrite, Epidote, Galena, Gold, Magnetite, Molybdenite, Palygorskite, Phlogopite, Pyrite, Pyrrhotite, Sphalerite, Electrum	Cu	206859	Gaby-Papa Grande Cu-Au Deposit, Azuay Province, Ecuador	Singer et al. (2008)	USGSOFR2008_1155

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
Michelle_358	10.06	9.48				206856	Chaucha Cu-Mo Deposit, Azuay Province, Ecuador	Caelles et al. (1971)	EG66_961
PorphCu-00497	12	10		Alunite, Bornite, Chalcanthite, Chalcopyrite, Copper, Covellite, Cuprite, Epidote, Ferrimolybdite, Gypsum, Kaolinite, Magnetite, Molybdenite, Pyrite, Tenorite	Cu	206856	Chaucha Cu-Mo Deposit, Azuay Province, Ecuador	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00499	20.3	18.3		Actinolite, Albite, Arsenopyrite, Bornite, Chalcopyrite, Epidote, Galena, Gold, Magnetite, Molybdenite, Palygorskite, Phlogopite, Pyrite, Pyrrhotite, Sphalerite, Electrum	Cu	206859	Gaby-Papa Grande Cu-Au Deposit, Azuay Province, Ecuador	Singer et al. (2008)	USGSOFR2008_1155