Ages for Chalcopyrite at Nome Census Area, Alaska, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 125Ma - 101Ma 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
  USGS-Rb-Sr-06596	125	111				200557	Unnamed Occurrence (ARDF - BN117; Left Fork), Kougarok District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06602	109	101				200557	Unnamed Occurrence (ARDF - BN117; Left Fork), Kougarok District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr

• 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-05528	74.5	70.5				197211	Dieter; Cape Mountain Prospect, Port Clarence District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05530	3	0				197514	Foggy Day; Read; Paigite; Cameron Prospects, Port Clarence District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05533	74.7	71.5				69237	Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05534	74.7	71.5				69237	Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05535	74.7	71.5				69237	Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05830	750	750				201426	Unnamed Occurrence (ARDF - NM024; In The Headwaters Of West Fork Grand Central River), Nome District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05831	735	735				201426	Unnamed Occurrence (ARDF - NM024; In The Headwaters Of West Fork Grand Central River), Nome District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05832	732	732				201426	Unnamed Occurrence (ARDF - NM024; In The Headwaters Of West Fork Grand Central River), Nome District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05833	735	735				201426	Unnamed Occurrence (ARDF - NM024; In The Headwaters Of West Fork Grand Central River), Nome District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05836	763	763				201424	Unnamed Occurrence (ARDF - NM022; Near Head Of Windy Creek), Nome District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05837	735	735				201424	Unnamed Occurrence (ARDF - NM022; Near Head Of Windy Creek), Nome District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06596	125	111				200557	Unnamed Occurrence (ARDF - BN117; Left Fork), Kougarok District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06597	125	111	Muscovite			200557	Unnamed Occurrence (ARDF - BN117; Left Fork), Kougarok District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06602	109	101				200557	Unnamed Occurrence (ARDF - BN117; Left Fork), Kougarok District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06603	109	101	Muscovite			200557	Unnamed Occurrence (ARDF - BN117; Left Fork), Kougarok District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06608	155	143				202344	Unnamed Prospect (ARDF - NM245; Lode In Dexter Creek), Nome District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06609	155	143	Muscovite			202344	Unnamed Prospect (ARDF - NM245; Lode In Dexter Creek), Nome District, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr

• Mineralization age (remote)

• 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
  vms-01006	390	390			S	200428	Trio Occurrence, Tok District, Southeast Fairbanks Census Area, Alaska, USA	Moiser et al. (2009)	USGSOFR2009_1034