Ages for Zircon at York Co., Maine, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 255Ma - 219.21Ma 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
  Alexandra-0420	255	239				105704	Wells, York Co., Maine, USA	Zartman et al. (1970)	GSAB81_3359
  USGS-Rb-Sr-03274	225.21	219.21				237445	Mount Agamenticus, York, York Co., Maine, 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
  Alexandra-0420	255	239				105704	Wells, York Co., Maine, USA	Zartman et al. (1970)	GSAB81_3359
  AREPS5_257-00004	228	228				192749	Mount Agamenticus Alkaline Syenite, York, York Co., Maine, USA	Zartman (1977)	AREPS5_257
  AREPS5_257-00019	125	125				24356	Lebanon, York Co., Maine, USA	Zartman (1977)	AREPS5_257
  AREPS5_257-00024	120	120				237394	Alfred, York Co., Maine, USA	Zartman (1977)	AREPS5_257
  AREPS5_257-00025	116	116				192750	Cape Neddick, York, York Co., Maine, USA	Zartman (1977)	AREPS5_257
  Jen_0001472	334	310	Scheelite			229390	Sanford, York Co., Maine, USA	Poulin et al. (2016)	CM54_1147
  USGS-Rb-Sr-03274	225.21	219.21				237445	Mount Agamenticus, York, York Co., Maine, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03275	225.21	219.21				237445	Mount Agamenticus, York, York Co., Maine, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03276	225.21	219.21				237445	Mount Agamenticus, York, York Co., Maine, USA	USGS-Rb-Sr	USGS-Rb-Sr