Ages for Hewettite at Crook Co., Oregon, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 53.8Ma - 0.01Ma 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-22624	5.3	0.01				150991	Prineville Bentonite, Crook Co., Oregon, USA	NAVDAT	NAVDAT
  NAVDAT-22686	5.3	0.01				152701	Unnamed Stone - Crushed/Broken Pit (MRDS - 10177086), Crook Co., Oregon, USA	NAVDAT	NAVDAT
  NAVDAT-31300	53.8	37.4				151158	Rainbow Ridge Mine, Crook Co., Oregon, USA	NAVDAT	NAVDAT