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 Muscovite at Komaki, Okuizumo-cho, Shimane, Japan

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 66.8Ma - 59.3Ma 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
Kristen001947	66.8	61.6	Muscovite			108204	Komaki Mine, Komaki, Okuizumo-cho, Shimane, Japan	Shibata and Ishihara (1974)	EG69_1207
Kristen001945	64.3	59.3	Muscovite			108204	Komaki Mine, Komaki, Okuizumo-cho, Shimane, Japan	Shibata and Ishihara (1974)	EG69_1207

Direct 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
Kristen001945	64.3	59.3	Muscovite			108204	Komaki Mine, Komaki, Okuizumo-cho, Shimane, Japan	Shibata and Ishihara (1974)	EG69_1207
Kristen001946	64.3	59.3	Muscovite			108204	Komaki Mine, Komaki, Okuizumo-cho, Shimane, Japan	Shibata and Ishihara (1974)	EG69_1207
Kristen001947	66.8	61.6	Muscovite			108204	Komaki Mine, Komaki, Okuizumo-cho, Shimane, Japan	Shibata and Ishihara (1974)	EG69_1207

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
Kristen001944	61.8	57				108204	Komaki Mine, Komaki, Okuizumo-cho, Shimane, Japan	Shibata and Ishihara (1974)	EG69_1207
Mo-00304	77.4	72	Molybdenite		Mo	108204	Komaki Mine, Komaki, Okuizumo-cho, Shimane, Japan	Suzuki et al. (1996)	GCA60_3151
Mo-00305	77.6	70.2	Molybdenite		Mo	108204	Komaki Mine, Komaki, Okuizumo-cho, Shimane, Japan	Suzuki et al. (1996)	GCA60_3151

Locality age (remote)

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
Kristen001925	84.7	78.1				19893	Tsumo Mine, Masuda, Shimane, Japan	Shibata and Ishihara (1974)	EG69_1207
Kristen001926	81.8	75.4	Phlogopite			19893	Tsumo Mine, Masuda, Shimane, Japan	Shibata and Ishihara (1974)	EG69_1207
Mo-00222	69.7	64.5	Molybdenite		Mo	218607	Hirose, Shimane, Japan	Suzuki et al. (1996)	GCA60_3151
Mo-00223	68.3	63.5	Molybdenite		Mo	218607	Hirose, Shimane, Japan	Suzuki et al. (1996)	GCA60_3151