Ages for Gold at Parkhill, Butte Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 185Ma - 165Ma 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-U-Th-Pb-02573_206_238	165	165	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-02573_207_206	169	169	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-02573_207_235	165	165	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-02574_206_238	173	173	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-02574_207_206	179	179	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-02574_207_235	173	173	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-02575_206_238	181	181	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-02575_207_206	185	185	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-02575_207_235	182	182	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb