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:
Koshu, Yamanashi, Japan

Oldest recorded age at locality: 12.22
Youngest recorded age at locality: 10.5

mindat Locality ID: 291286
mindat URL: http://www.mindat.org/loc-291286.html

Tectonic Settings:

Total number of sublocalities beneath "Koshu, Yamanashi, Japan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Koganesawa Mine

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0
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 Cl Cu Fe H K O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteApatiteBournoniteCarminiteChalcopyriteClayDiasporeMicaNonePyrite
QuartzRocksaltSphalerite

12 IMA Minerals at location:
Beudantite  (*)Bournonite  (*)Carminite  (*)Chalcopyrite  (*)Galena  (*)
Goethite  (*)Mimetite  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)
Scorodite  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Beudantite  (*)AlunitePbFe3+3(AsO4)(SO4)(OH)612.2210.5176962413
Bournonite  (*)BournoniteCuPbSbS312.2210.51769621089
Carminite  (*)CarminitePbFe3+2(AsO4)2(OH)212.2210.5176962178
Chalcopyrite  (*)ChalcopyriteCuFeS212.2210.517696227198
Galena  (*)RocksaltPbS12.2210.517696224243
Goethite  (*)DiasporeFeO(OH)12.2210.51769627437
Mimetite  (*)ApatitePb5(AsO4)3Cl12.2210.51769621107
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)212.2210.517696217380
Pyrite  (*)PyriteFeS212.2210.517696239462
Quartz  (*)QuartzSiO212.2210.517696261156
Scorodite  (*)NoneFe3+(AsO4)·2H2O12.2210.51769621153
Sphalerite  (*)SphaleriteZnS12.2210.517696221482


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
Mo-0015712.111.311.7±0.4Re-Os molybdeniteOtome (Ot) YesMolybdenite Mo17066Otome Mine (Mitake Mine), Kofu City, Kinpuzan Mining District, Yamanashi, JapanHigashiyamanashi, YamanashiSuzuki et al. (1996)10.1016/0016-7037(96)00164-0GCA60_3151 
Mo-0015812.2210.511.36±0.86Re-Os molybdeniteOtome (Ot) YesMolybdenite Mo17066Otome Mine (Mitake Mine), Kofu City, Kinpuzan Mining District, Yamanashi, JapanHigashiyamanashi, YamanashiSuzuki et al. (1996)10.1016/0016-7037(96)00164-0GCA60_3151 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...