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 Jarretsville-Dublin District, Harford Co., Maryland, 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)	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
podchrome-00407	490	490	Cr	142724	Ayres Mine, Jarretsville-Dublin District, Harford Co., Maryland, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00497	510	470	Cr	143059	Reed Mine, Jarretsville-Dublin District, Harford Co., Maryland, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00502	510	470	Cr	142771	Cherry Hill Mine, Jarretsville-Dublin District, Harford Co., Maryland, USA	Moiser et al. (2012)	USGSSIR2012_5157