Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Kuga Mine (Kuka Mine), Iwakuni City, Yamaguchi, Japan

Oldest recorded age at locality: 97.4
Youngest recorded age at locality: 88.4

mindat Locality ID: 108206
mindat URL: http://www.mindat.org/loc-108206.html

Tectonic Settings:

Total number of sublocalities beneath "Kuga Mine (Kuka Mine), Iwakuni City, Yamaguchi, Japan": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Ideno-oku Orebody
Shikada Orebody
Umenokigawa

Latitude: 34°13'0"N
Longitude: 132°1'30"E
Decimal Degree (lat, lon): 34.216666666667,132.025

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al As Bi C Ca Cu F Fe H K Mg O Pb S Se Si Sn W Zn 

Elements from minerals reported directly at this locality: Al As Bi Ca Cu F Fe H Mg O Pb S Se Si Sn Zn 

Structural Groups for minerals in this locality: 
AmphiboleArsenicArsenopyriteBerylCalciteChalcopyriteClayClinozoisiteEpidoteFluorite
MarcasiteMicaNickelineNonePyritePyroxeneQuartzRocksaltRutileScheelite
SphaleriteStanniteStibniteTetradymiteTitaniteWollastonite

24 IMA Minerals at location:
Actinolite  (*)Arsenopyrite  (*)Bismuth  (*)Bismuthinite  (*)Calcite  (*)
Cassiterite  (*)Chalcopyrite  (*)Cordierite  (*)Diopside  (*)Epidote  (*)
Fluorite  (*)Galena  (*)Hedenbergite  (*)Laitakarite  (*)Malayaite  (*)
Marcasite  (*)Muscovite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Scheelite  (*)Sphalerite  (*)Stannite  (*)Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)297.488.403419
Arsenopyrite  (*)ArsenopyriteFeAsS97.488.409052
Bismuth  (*)ArsenicBi97.488.401966
Bismuthinite  (*)StibniteBi2S397.488.401935
Calcite  (*)CalciteCa(CO3)97.488.417685127770
Cassiterite  (*)RutileSnO297.488.405171
Chalcopyrite  (*)ChalcopyriteCuFeS297.488.4027198
Cordierite  (*)BerylMg2Al4Si5O1897.488.41768521008
Diopside  (*)PyroxeneCaMgSi2O697.488.404135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)97.488.408173
Fluorite  (*)FluoriteCaF297.488.409617
Galena  (*)RocksaltPbS97.488.4024243
Hedenbergite  (*)PyroxeneCaFe2+Si2O697.488.40741
Laitakarite  (*)TetradymiteBi4(Se,S)397.488.4030
Malayaite  (*)TitaniteCaSnO(SiO4)97.488.4276850,7685140
Marcasite  (*)MarcasiteFeS297.488.405674
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)297.488.417685217380
Pyrite  (*)PyriteFeS297.488.4039462
Pyrrhotite  (*)NickelineFe7S897.488.409056
Quartz  (*)QuartzSiO297.488.4276850,7685161156
Scheelite  (*)ScheeliteCa(WO4)97.488.4376850,76851,768524894
Sphalerite  (*)SphaleriteZnS97.488.4021482
Stannite  (*)Stannite SphaleriteCu2FeSnS497.488.40668
Wollastonite  (*)WollastoniteCaSiO397.488.41768511247



2 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Kristen00192797.491.894.6±2.8K-Ar muscovite69FD-79 YesMuscovite  11275Fujigatani Mine, Iwakuni City, Yamaguchi, JapanFujigataniShibata and Ishihara (1974)10.2113/gsecongeo.69.8.1207EG69_1207 
Kristen00192895.888.492.1±3.7K-Ar muscovite  YesMuscovite  11275Fujigatani Mine, Iwakuni City, Yamaguchi, JapanFujigataniShibata and Ishihara (1974)10.2113/gsecongeo.69.8.1207EG69_1207 


SampleSource LocalityReference URL


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