Ages for Variscite at Birch Creek District, Lander Co., Nevada, 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-118314	82.5	67.5				59837	Smoky Valley Mine (Smoky Mine; Big Smoky Mine), Birch Creek District, Lander Co., Nevada, USA	NAVDAT	NAVDAT
  NAVDAT-118315	82.5	67.5				59837	Smoky Valley Mine (Smoky Mine; Big Smoky Mine), Birch Creek District, Lander Co., Nevada, USA	NAVDAT	NAVDAT
  NAVDAT-118487	82.5	67.5				59837	Smoky Valley Mine (Smoky Mine; Big Smoky Mine), Birch Creek District, Lander Co., Nevada, USA	NAVDAT	NAVDAT