Ages for Chromite at Granite District, Grant Co., Oregon, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of Ma - Ma 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-9197	54.8	23.8				151140	R Dee & R Dee Too, Granite District, Grant Co., Oregon, USA	NAVDAT	NAVDAT
  NAVDAT-9198	54.8	23.8				149277	Granite Placers (Porter And Company; Hudson Dredge & Company; Bull Run Mining Company; Oro Plata; Western Gold Corp.), Granite District, Grant Co., Oregon, USA	NAVDAT	NAVDAT
  USGS-Rb-Sr-03602	164	130				54409	Monumental Mine (Kissell), Granite District, Grant Co., Oregon, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03603	166	150				54409	Monumental Mine (Kissell), Granite District, Grant Co., Oregon, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03604	151.93	137.93				54409	Monumental Mine (Kissell), Granite District, Grant Co., Oregon, USA	USGS-Rb-Sr	USGS-Rb-Sr