Ages for Natrodufrenite at Graham Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 75.9Ma - 58Ma 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
  NAVDAT-30053	75.9	62.1				51348	Lone Star Mine (Lone Star Group; Lone Star Deposit), Lone Star Mountain, Lone Star, Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	NAVDAT	NAVDAT
  EG94_211-00043	58	58				51348	Lone Star Mine (Lone Star Group; Lone Star Deposit), Lone Star Mountain, Lone Star, Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	Bouse et al. (1999)	EG94_211

• 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
  EG94_211-00038	75	75				44392	Safford, Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00039	69	69				44392	Safford, Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00040	69	69				44392	Safford, Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00041	58	58				131709	Safford Mine (Dos Pobres Mine; Dos Pobres Ore Body; Los Pobres; Safford Phelps Dodge; Phelps Dodge Safford Project; Arrowhead Mine), Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00042	58	58				131709	Safford Mine (Dos Pobres Mine; Dos Pobres Ore Body; Los Pobres; Safford Phelps Dodge; Phelps Dodge Safford Project; Arrowhead Mine), Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  EG94_211-00043	58	58				51348	Lone Star Mine (Lone Star Group; Lone Star Deposit), Lone Star Mountain, Lone Star, Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	Bouse et al. (1999)	EG94_211
  Giersdorf_00000339	331	319				31266	Pinaleño Mts, Aravaipa District, Graham Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
  Giersdorf_00000362	64.1	61.5				48015	Galiuro Mts, Graham Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
  Giersdorf_00000387	29	27.6				31266	Pinaleño Mts, Aravaipa District, Graham Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
  Giersdorf_00000393	25.64	24.26				47816	Fisher Prospect, Turnbull Mountain, Aravaipa District, Turnbull Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
  Giersdorf_00000394	25.25	24.05				31266	Pinaleño Mts, Aravaipa District, Graham Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
  Giersdorf_00000400	23.35	22.25				131721	Unnamed Copper Prospect (22), Black Rock Canyon, Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
  NAVDAT-30051	82.5	67.5				62419	Ben Hur Mine (Ben Hurr Mine; Lola Dean Mine; Christmas Gift Mine), Weber Peak, Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	NAVDAT	NAVDAT
  NAVDAT-30052	75.9	62.1				131904	Morning Star Mine (Kennecott Safford Properties [in Part]), Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	NAVDAT	NAVDAT
  NAVDAT-30053	75.9	62.1				51348	Lone Star Mine (Lone Star Group; Lone Star Deposit), Lone Star Mountain, Lone Star, Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	NAVDAT	NAVDAT
  NAVDAT-30057	66	54				131709	Safford Mine (Dos Pobres Mine; Dos Pobres Ore Body; Los Pobres; Safford Phelps Dodge; Phelps Dodge Safford Project; Arrowhead Mine), Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	NAVDAT	NAVDAT
  NAVDAT-7752	2.57	2.09	Zircon			131653	Unnamed Clay Occurrence, Dry Mountain, Whitlock Mts, Graham Co., Arizona, USA	NAVDAT	NAVDAT
  PorphCu-00151	57	48		Actinolite, Bornite, Brochantite, Chalcanthite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Covellite, Cuprite, Epidote, Fluorite, Galena, Gold, Jarosite, Kaolinite, Magnetite, Malachite, Molybdenite, Pyrite, Rutile, Sphalerite, Tenorite, Turquoise	Cu	131709	Safford Mine (Dos Pobres Mine; Dos Pobres Ore Body; Los Pobres; Safford Phelps Dodge; Phelps Dodge Safford Project; Arrowhead Mine), Lone Star District (Safford District; Dos Pobres District), Gila Mts, Graham Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155
  sedznpb-00443	56	33.9				29785	Aravaipa District, Graham Co., Arizona, USA	Singer et al. (2009)	USGSOFR2009-1252