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 Polycrase-(Y) at Åsland 1 Feldspar Quarry, Åsland, Evje Og Hornnes, Aust-Agder, Norway

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 923Ma - 895Ma at this locality

Locality age (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Bradley_2012_119	913	909			5491	Evje Og Hornnes, Aust-Agder, Norway	McCauley and Bradley (2014)	CM52_183
Mo-00067	914	904	Molybdenite	Mo	5491	Evje Og Hornnes, Aust-Agder, Norway	Andersen (2001)	MT2001_Andersen
Mo-00068	923	895	Molybdenite	Mo	5491	Evje Og Hornnes, Aust-Agder, Norway	Scherer et al. (2001)	S293_683
Mo-00069	912.1	908.9	Molybdenite	Mo	5491	Evje Og Hornnes, Aust-Agder, Norway	Scherer et al. (2001)	S293_683