Ages for Goethite at Round Top Prospect (incl. Tim's Greisen Prospect), Kaiyuh District, Yukon-Koyukuk Census Area, Alaska, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 75Ma - 5Ma 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
  PorphCu-00242	75	5		Actinolite, Calcite, Chalcocite, Chalcopyrite, Epidote, Galena, Montmorillonite, Pyrite, Sphalerite	Cu	199759	Round Top Prospect (incl. Tim's Greisen Prospect), Kaiyuh District, Yukon-Koyukuk Census Area, Alaska, USA	Singer et al. (2008)	USGSOFR2008_1155