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:
Chichibu Mining District (Chichibu Mine), Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama, Japan

Oldest recorded age at locality: 7.3
Youngest recorded age at locality: 5.5

mindat Locality ID: 2177
mindat URL: http://www.mindat.org/loc-2177.html

Tectonic Settings:

Total number of sublocalities beneath "Chichibu Mining District (Chichibu Mine), Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama, Japan": 8
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Daikoku Deposit (Daikoku Mine)
Doushinkubo
Hashikakezawa
Mitsumine
Rokusuke Deposit
Sekkaisawa
Takiue Orebody
Wanabasawa

Latitude: 36°1'20"N
Longitude: 138°49'0"E
Decimal Degree (lat, lon): 36.022222222222,138.81666666667

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 Al As Au B Ba Bi C Ca Cl Cu F Fe H Mg Mn Mo Na O P Pb S Sb Si Ti Zn 

Elements from minerals reported directly at this locality: Al As B Bi C Ca Cl Cu Fe H Mg Mn Na O P Pb Si Ti Zn 

Structural Groups for minerals in this locality: 
AllophaneAluniteAmphiboleApatiteAragoniteArsenoliteArsenopyriteAxiniteBaryteBournonite
CalciteChalcopyriteClayClinozoisiteCopperCorundumDevillineEpidoteGadoliniteGarnet
IlvaiteKaoliniteKaňkiteMicaNickelineNoneOlivinePyritePyrochlorePyroxene
QuartzRamsdelliteRhodoniteRocksaltScapoliteScheeliteSerpentineSphaleriteSpinelTetrahedrite
VesuvianiteWollastoniteZinkenite

63 IMA Minerals at location:
Actinolite  (*)Andradite  (*)Ankerite  (*)Arsenolite  (*)Arsenopyrite  (*)
Axinite-(Fe)  (*)Baryte  (*)Berthierine  (*)Beudantite  (*)Bindheimite  (*)
Boulangerite  (*)Bournonite  (*)Bustamite  (*)Calcite  (*)Cerussite  (*)
Chalcopyrite  (*)Chlorapatite  (*)Chrysocolla  (*)Clinozoisite  (*)Clintonite  (*)
Datolite  (*)Diopside  (*)Dolomite  (*)Epidote  (*)Eulytine  (*)
Fluorellestadite  (*)Freibergite  (*)Galena  (*)Gold  (*)Grossular  (*)
Hedenbergite  (*)Hematite  (*)Hisingerite  (*)Hydroxylellestadite  (*)Ilmenite  (*)
Ilvaite  (*)Jamesonite  (*)Johannsenite  (*)Kaňkite  (*)Magnetite  (*)
Marialite  (*)Mimetite  (*)Nsutite  (*)Pyrite  (*)Pyromorphite  (*)
Pyrrhotite  (*)Quartz  (*)Ranciéite  (*)Rhodochrosite  (*)Rhodonite  (*)
Semseyite  (*)Serpierite  (*)Siderite  (*)Smithsonite  (*)Sphalerite  (*)
Spinel  (*)Szaibélyite  (*)Tephroite  (*)Theisite  (*)Vesuvianite  (*)
Wollastonite  (*)Wulfenite  (*)Zinkenite  (*)
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)27.35.51762953419
Andradite  (*)GarnetCa3Fe3+2(SiO4)37.35.5276288,762901534
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)27.35.51762883092
Arsenolite  (*)ArsenoliteAs2O37.35.50231
Arsenopyrite  (*)ArsenopyriteFeAsS7.35.51762889052
Axinite-(Fe)  (*)AxiniteCa4Fe2+2Al4[B2Si8O30](OH)27.35.50260
Baryte  (*)BaryteBa(SO4)7.35.517629011547
Berthierine  (*)Clay Serpentine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)47.35.5059
Beudantite  (*)AlunitePbFe3+3(AsO4)(SO4)(OH)67.35.5176288413
Bindheimite  (*)PyrochlorePb2Sb5+2O77.35.5176288450
Boulangerite  (*)NonePb5Sb4S117.35.5176288843
Bournonite  (*)BournoniteCuPbSbS37.35.5276288,762911089
Bustamite  (*)WollastoniteMn2Ca2MnCa(Si3O9)27.35.5176288101
Calcite  (*)CalciteCa(CO3)7.35.5376290,76294,7629527770
Cerussite  (*)AragonitePb(CO3)7.35.504979
Chalcopyrite  (*)ChalcopyriteCuFeS27.35.517628827198
Chlorapatite  (*)ApatiteCa5(PO4)3Cl7.35.5176294203
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O7.35.51762883531
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)7.35.501025
Clintonite  (*)Mica ClayCaAlMg2(SiAl3O10)(OH)27.35.5276290,7629386
Datolite  (*)GadoliniteCaB(SiO4)(OH)7.35.5176293498
Diopside  (*)PyroxeneCaMgSi2O67.35.504135
Dolomite  (*)NoneCaMg(CO3)27.35.51762889895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)7.35.508173
Eulytine  (*)NoneBi4(SiO4)37.35.5072
Fluorellestadite  (*)ApatiteCa5(SiO4)1.5(SO4)1.5F7.35.517628933
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S127.35.5176288663
Galena  (*)RocksaltPbS7.35.517628824243
Gold  (*)CopperAu7.35.517628830554
Grossular  (*)GarnetCa3Al2(SiO4)37.35.51762901544
Hedenbergite  (*)PyroxeneCaFe2+Si2O67.35.5176288741
Hematite  (*)CorundumFe2O37.35.517629014640
Hisingerite  (*)Kaolinite ClayFe2Si2O5(OH)4·2H2O7.35.50144
Hydroxylellestadite  (*)ApatiteCa5(SiO4)1.5(SO4)1.5OH7.35.5276288,7628922
Ilmenite  (*)CorundumFe2+Ti4+O37.35.505433
Ilvaite  (*)IlvaiteCaFe3+Fe2+2O(Si2O7)(OH)7.35.5176288197
Jamesonite  (*)NonePb4FeSb6S147.35.5276288,76292784
Johannsenite  (*)PyroxeneCaMnSi2O67.35.5073
Kaňkite  (*)KaňkiteFe3+(AsO4)·3.5H2O7.35.5038
Magnetite  (*)SpinelFe2+Fe3+2O47.35.5276288,7629514899
Marialite  (*)ScapoliteNa4Al3Si9O24Cl7.35.50139
Mimetite  (*)ApatitePb5(AsO4)3Cl7.35.51762881107
Nsutite  (*)RamsdelliteMn2+xMn4+1-xO2-2x(OH)2x7.35.50121
Pyrite  (*)PyriteFeS27.35.5276288,7629239462
Pyromorphite  (*)ApatitePb5(PO4)3Cl7.35.501725
Pyrrhotite  (*)NickelineFe7S87.35.51762889056
Quartz  (*)QuartzSiO27.35.5376288,76290,7629561156
Ranciéite  (*)None(Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O7.35.50177
Rhodochrosite  (*)CalciteMn(CO3)7.35.51762881711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)7.35.50969
Semseyite  (*)NonePb9Sb8S217.35.5176288165
Serpierite  (*)DevillineCa(Cu,Zn)4(SO4)2(OH)6·3H2O7.35.5176288292
Siderite  (*)CalciteFe(CO3)7.35.51762886417
Smithsonite  (*)CalciteZn(CO3)7.35.51762882473
Sphalerite  (*)SphaleriteZnS7.35.5276288,7629221482
Spinel  (*)SpinelMgAl2O47.35.51762931934
Szaibélyite  (*)NoneMgBO2(OH)7.35.5087
Tephroite  (*)OlivineMn2+2(SiO4)7.35.50240
Theisite  (*)NoneCu5Zn5(AsO4)2(OH)147.35.5058
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)107.35.5376289,76290,762941395
Wollastonite  (*)WollastoniteCaSiO37.35.501247
Wulfenite  (*)ScheelitePbMoO47.35.51762881655
Zinkenite  (*)ZinkenitePb9Sb22S427.35.5176288228



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
sedznpb-002767.35.57.3–5.5        2177Chichibu Mining District (Chichibu Mine), Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama, JapanChichibuSinger et al. (2009) USGSOFR2009-1252 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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