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 Norra Kärr, Gränna, Jönköping, Jönköping County, Sweden

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1540Ma - 294Ma at this locality

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Minerals explicitely stated as having this age	Dated Locality ID	Dated Locality	Ref	Ref ID
Grew_Li_2019_0027	294	294	Ferri-fluoro-leakeite	3172	Norra Kärr, Gränna, Jönköping, Jönköping County, Sweden	Larsen (2010)	BOOK_LHGPM_2010
Grew_Li_2019_0038	1489	1489	Fluoro-leakeite	3172	Norra Kärr, Gränna, Jönköping, Jönköping County, Sweden	Blaxland (1977); Kramm and Koark (1988); Sjöqvist et al. (2013)	L10_1,
ree-00601	1540	1540		3172	Norra Kärr, Gränna, Jönköping, Jönköping County, Sweden	Orris and Grauch (2002)	USGSOFR02_189