Ages for Covellite at Saguache Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 203Ma - 23.03Ma 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
  Giersdorf_00000796	203	203	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909
  Hg-00100	27.82	23.03		Mazzettiite	Hg	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Pride and Hasenohr (1983)	JGE19_405

• 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
  Giersdorf_00000794	94	94	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909
  Giersdorf_00000795	99	99	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909
  Giersdorf_00000796	203	203	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909

• 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
  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
  Jen_0000012	1740	1730		Andalusite, Cordierite, Staurolite	Ni,Sr,Zr	118476	Cochetopa Creek Occurrence, Cochetopa District (Cochetopa Creek District), Saguache Co., Colorado, USA	Černý (1991)	PR51_429
  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
  NAVDAT-4466	35.6	23.8				118496	Del Norte Bog Iron Deposits (Del Norte Limonite), Summer Coon Area, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
  NAVDAT-45779	26.9	26.1				118803	Unnamed Silver - Gold Prospects (MRDS - 10013058), Bondholder District, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
  NAVDAT-45812	27.5	26				118770	Unnamed Gold - Silver - Lead Prospect (MRDS - 10013057), Bondholder District, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
  NAVDAT-46125	36	30				133855	Unnamed Prospect, Cochetopa District (Cochetopa Creek District), Saguache Co., Colorado, USA	NAVDAT	NAVDAT
  NAVDAT-46178	33	29.5				134139	Razor Creek Dome, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
  NAVDAT-46179	33	29.5				134139	Razor Creek Dome, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
  NAVDAT-46180	33	29.5				118636	Smith Mercury Mine, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
  NAVDAT-46185	36.78	36.6	Sanidine			118553	La Rue Claims (La Rue No. 2; La Rue No. 22), Cochetopa District (Cochetopa Creek District), Saguache Co., Colorado, USA	NAVDAT	NAVDAT