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:
Furubira, Shakotan Peninsula, Shiribeshi Subprefecture, Hokkaidō, Japan

Oldest recorded age at locality: 23
Youngest recorded age at locality: 5.3

mindat Locality ID: 221231
mindat URL: http://www.mindat.org/loc-221231.html

Tectonic Settings:

Total number of sublocalities beneath "Furubira, Shakotan Peninsula, Shiribeshi Subprefecture, Hokkaidō, Japan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Inakuraishi Mine

Latitude: 43°8'59"N
Longitude: 140°37'59"E
Decimal Degree (lat, lon): 43.149722222222,140.63305555556

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: Ag As Ba C Ca Cu Fe H Mn O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteArsenopyriteBaryteCalciteChalcanthiteChalcopyriteLillianiteNonePyriteQuartz
RocksaltSphaleriteStarkeyiteStibniteTetrahedrite

17 IMA Minerals at location:
Acanthite  (*)Alabandite  (*)Arsenopyrite  (*)Baryte  (*)Calcite  (*)
Chalcopyrite  (*)Galena  (*)Ilesite  (*)Inesite  (*)Jôkokuite  (*)
Pyrite  (*)Quartz  (*)Rhodochrosite  (*)Sphalerite  (*)Stibnite  (*)
Tetrahedrite-(Zn)  (*)Uchucchacuaite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S235.31747982793
Alabandite  (*)RocksaltMnS235.3174798312
Arsenopyrite  (*)ArsenopyriteFeAsS235.31747989052
Baryte  (*)BaryteBa(SO4)235.317479811547
Calcite  (*)CalciteCa(CO3)235.317479827770
Chalcopyrite  (*)ChalcopyriteCuFeS2235.317479827198
Galena  (*)RocksaltPbS235.317479824243
Ilesite  (*)StarkeyiteMn2+(SO4)·4H2O235.31747989
Inesite  (*)NoneCa2Mn2+7Si10O28(OH)2·5H2O235.317479850
Jôkokuite  (*)ChalcanthiteMn2+(SO4)·5H2O235.31747987
Pyrite  (*)PyriteFeS2235.317479839462
Quartz  (*)QuartzSiO2235.317479861156
Rhodochrosite  (*)CalciteMn(CO3)235.31747981711
Sphalerite  (*)SphaleriteZnS235.317479821482
Stibnite  (*)StibniteSb2S3235.31747983418
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13235.31747985317
Uchucchacuaite  (*)LillianiteAgMnPb3Sb5S12235.31747985



1 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
vms-00580235.3Miocene     Yes  53564Yoichi Mine, Shakotan Peninsula, Shiribeshi Subprefecture, Hokkaidō, JapanYoichiMoiser et al. (2009) USGSOFR2009-1034 


SampleSource LocalityReference URL
R070760Inakuraishi Mine, Furubira, Shakotan Peninsula, Shiribeshi Subprefecture, Hokkaidō, Japanhttps://rruff.info/R070760


All locality data graciously provided by mindat.org

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