Ages for Chalcopyrite at Sheahan Granite Quarry, Iron Co., Missouri, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1338.14Ma - 1154.14Ma at this locality

• 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
  USGS-Rb-Sr-04942	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04943	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04948	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04949	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04950	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04951	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr