Ages for Chalcanthite at Groundhog Mine, Vanadium, Central District, Grant Co., New Mexico, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 66Ma - 2.6Ma 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
  NAVDAT-17615	34.4	32.4				7078	Groundhog Mine, Vanadium, Central District, Grant Co., New Mexico, USA	NAVDAT	NAVDAT
  NAVDAT-17616	34.4	32.4				7078	Groundhog Mine, Vanadium, Central District, Grant Co., New Mexico, USA	NAVDAT	NAVDAT
  NAVDAT-17617	34.4	32.4				7078	Groundhog Mine, Vanadium, Central District, Grant Co., New Mexico, USA	NAVDAT	NAVDAT
  sedznpb-00465	66	2.6				7078	Groundhog Mine, Vanadium, Central District, Grant Co., New Mexico, USA	Singer et al. (2009)	USGSOFR2009-1252