Ages for Fluorite at Echo Mine, Lead District, Lawrence Co., South Dakota, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 60Ma - 39Ma 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-2703	60	39				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-4742	55	40				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-4743	55	40				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-4744	55	40				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-4745	55	40				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-4746	55	40				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-4747	55	40				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5869	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5870	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5871	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5872	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5873	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5874	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5875	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5876	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5877	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5878	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5879	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5880	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5881	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5882	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5883	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5884	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-5885	55	45				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
  NAVDAT-92297	58	46				121730	Echo Mine, Lead District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT