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 Boulangerite at Okayama, Japan

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 270Ma - 270Ma at this locality

Age range from children

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
vms-00579	270	270			S	69573	Yanahara Mine (Yanahara Mining District), Misaki-cho, Kume-gun, Okayama, Japan	Moiser et al. (2009)	USGSOFR2009_1034

Mineralization 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
vms-00579	270	270			S	69573	Yanahara Mine (Yanahara Mining District), Misaki-cho, Kume-gun, Okayama, Japan	Moiser et al. (2009)	USGSOFR2009_1034

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
Kristen001930	87.9	81.1	Muscovite			230640	Ibara City, Okayama, Japan	Shibata and Ishihara (1974)	EG69_1207
Kristen001931	88	81.2	Muscovite			144101	Miyoshi Mine, Kurashiki City, Okayama, Japan	Shibata and Ishihara (1974)	EG69_1207
Michelle_0043	252	66				2202	Fuka Mine, Fuka, Bicchu-cho (Bitchu-cho), Takahashi City, Okayama, Japan	Satish Kumar et al. (2004)	JMPS99_328