Ages for Allophane at Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 63.5Ma - 62.9Ma at this locality

• 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
  Mo-00053	63.5	62.9	Molybdenite	Molybdenite	Mo	3374	Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA	Barra et al. (2005)	EG100_1605

• 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
  PorphCu-00087	69	66		Actinolite, Chalcanthite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Cuprite, Diopside, Epidote, Jarosite, Malachite, Molybdenite, Pyrite, Tenorite, Wollastonite	Cu	31299	Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155