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 Lynnfield Serpentinite Area, Lynnfield, Essex Co., Massachusetts, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 369Ma - 246Ma at this locality

Locality age (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Locality ID	Dated Locality	Ref	Ref ID
Alexandra-0417	262	246	22345	Lynnfield, Essex Co., Massachusetts, USA	Zartman et al. (1970)	GSAB81_3359
Alexandra-0418	268	252	22345	Lynnfield, Essex Co., Massachusetts, USA	Zartman et al. (1970)	GSAB81_3359
Alexandra-0419	369	349	22345	Lynnfield, Essex Co., Massachusetts, USA	Zartman et al. (1970)	GSAB81_3359