Ages for Galena at Butterfield Mine, Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 40.2Ma - 32.6Ma at this locality

• 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
  AJES44_373-00002	39	39			Au	4181	Bingham Canyon Mine (Bingham Canyon Deposit; Kennecott Mine; Bingham Copper Mine; Utah Copper Mine), Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA	Sillitoe (1997)	AJES44_373
  Mo-00124	40.2	32.6		Molybdenite	Mo	11572	Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA	Warnaars et al. (1978); Arehart et al. (2003); Singer et al. (2005)
  PorphCu-00040	37.27	36.73		Actinolite, Arsenopyrite, Bornite, Chalcocite, Chalcopyrite, Copper, Covellite, Digenite, Diopside, Enargite, Epidote, Gold, Gypsum, Jarosite, Kaolinite, Magnetite, Marcasite, Molybdenite, Montmorillonite, Pyrite, Siderite, Wollastonite	Cu	11572	Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA	Singer et al. (2008)	USGSOFR2008_1155
  sedznpb-00471	39	33				38450	Lark Mine, Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA	Singer et al. (2009)	USGSOFR2009-1252