Ages for Kaolinite at Poston Butte Deposit (Continental Oil Co. Property; Aztec Exploration And Development Co. Property; Florence Conoco; Florence Copper Co. Property), Florence, Florence District (Blackwater District; Black Rock District), Pinal Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 62Ma - 7.48Ma 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
  Giersdorf_00000470	8.76	7.48				52775	Poston Butte Deposit (Continental Oil Co. Property; Aztec Exploration And Development Co. Property; Florence Conoco; Florence Copper Co. Property), Florence, Florence District (Blackwater District; Black Rock District), Pinal Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
  PorphCu-00112	62	62		Allophane, Azurite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Covellite, Cuprite, Epidote, Galena, Magnetite, Molybdenite, Montmorillonite, Pyrite, Rutile, Shattuckite, Siderite, Sphalerite	Cu	52775	Poston Butte Deposit (Continental Oil Co. Property; Aztec Exploration And Development Co. Property; Florence Conoco; Florence Copper Co. Property), Florence, Florence District (Blackwater District; Black Rock District), Pinal Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155