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 Pyrite at Express Mine (Express - Headlight Mine), Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 27.82Ma - 23.03Ma at this locality

Locality age (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Hg-00100	27.82	23.03	Mazzettiite	Hg	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Pride and Hasenohr (1983)	JGE19_405
Hg-00100a	27.8	27.8	Mazzettiite	Hg,Au,Ag,Pb,Zn	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Rose and Pride (2010)	GSAAP42_54
Mo-00256	27.82	23.03	Molybdenite	Mo	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Pride and Hasenohr (1983)	JGE19_405
Mo-00256a	27.8	27.8	Molybdenite	Mo,Au,Ag,Pb,Zn	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Rose and Pride (2010)	GSAAP42_54