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 Ferro-hornblende at Kragerø, Telemark, Norway

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1100Ma - 1060Ma 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
Giersdorf_00000169	1100	1100				287475	Levang, Kragerø, Telemark, Norway	Baadsgaard, et. al (1984)	NGT64_111
Giersdorf_00000170	1060	1060		Zircon		287475	Levang, Kragerø, Telemark, Norway	Baadsgaard, et. al (1984)	NGT64_111