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 Chalcopyrite at Bearpaw Mountain, Mount Baker District, Whatcom Co., Washington, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 0.211Ma - 0.105Ma 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-75475	0.211	0.193				28933	Great Excelsior Mine (Lincoln Mine; President Mine; Excelsior Mine; Wells Creek Mine), Bearpaw Mountain, Mount Baker District, Whatcom Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-75379	0.123	0.105				28933	Great Excelsior Mine (Lincoln Mine; President Mine; Excelsior Mine; Wells Creek Mine), Bearpaw Mountain, Mount Baker District, Whatcom Co., Washington, 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-75379	0.123	0.105				28933	Great Excelsior Mine (Lincoln Mine; President Mine; Excelsior Mine; Wells Creek Mine), Bearpaw Mountain, Mount Baker District, Whatcom Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-75475	0.211	0.193				28933	Great Excelsior Mine (Lincoln Mine; President Mine; Excelsior Mine; Wells Creek Mine), Bearpaw Mountain, Mount Baker District, Whatcom Co., Washington, USA	NAVDAT	NAVDAT