Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Arsenopyrite at Snoqualmie & Burns Districts, King Co., Washington, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 25Ma - 25Ma 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
PorphCu-00062	25	25		Ankerite, Arsenopyrite, Chalcocite, Chalcopyrite, Cosalite, Covellite, Epidote, Galena, Gold, Molybdenite, Prehnite, Pyrite, Pyrrhotite, Siderite, Sphalerite	Cu	21957	Condor-Hemlock Mine (Condor Mine; Hemlock Mine; Pegasus Claim; Green Crystal Claim), Snoqualmie Pass, Middle Fork Of The Snoqualmie River, Snoqualmie & Burns Districts, King Co., Washington, USA	Singer et al. (2008)	USGSOFR2008_1155

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-00062	25	25		Ankerite, Arsenopyrite, Chalcocite, Chalcopyrite, Cosalite, Covellite, Epidote, Galena, Gold, Molybdenite, Prehnite, Pyrite, Pyrrhotite, Siderite, Sphalerite	Cu	21957	Condor-Hemlock Mine (Condor Mine; Hemlock Mine; Pegasus Claim; Green Crystal Claim), Snoqualmie Pass, Middle Fork Of The Snoqualmie River, Snoqualmie & Burns Districts, King Co., Washington, USA	Singer et al. (2008)	USGSOFR2008_1155