Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Calcite 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 82.5Ma - 67.5Ma at this locality

Age range from children

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

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