Ages for Magnetite at North Fork Cu Deposit, North Fork Of The Snoqualmie River, King Co., Washington, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 18Ma - 18Ma at this locality

• Specified 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
  PorphCu-00632	18	18		Bornite, Brochantite, Chalcopyrite, Digenite, Epidote, Gold, Magnetite, Molybdenite, Pyrite, Pyrrhotite, Scheelite, Sphalerite	Cu	209835	North Fork Cu Deposit, North Fork Of The Snoqualmie River, King Co., Washington, USA	Singer et al. (2008)	USGSOFR2008_1155