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 Magnetite at Bird's Mine, Sparta Township, Sussex Co., New Jersey, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 899.74Ma - 849.74Ma 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
USGS-Rb-Sr-02212	899.74	849.74				12322	Bird's Mine, Sparta Township, Sussex Co., New Jersey, USA	USGS-Rb-Sr	USGS-Rb-Sr