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:
Kiryu City, Gunma, Japan


mindat Locality ID: 227830
mindat URL: http://www.mindat.org/loc-227830.html

Tectonic Settings:

Total number of sublocalities beneath "Kiryu City, Gunma, Japan": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Kurokawa Mine
Mogurazawa Mine
Shohwa Mine (Showa 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 B Ba Be C Ca Cl Cu Fe H K Mg Mn Ni O S Sb Si Ti V 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
BaryteBruciteCalciteCancrinite-sodaliteClayDigeniteGarnetHumiteMicaNone
OlivinePyriteQuartzRhodoniteRocksaltSodaliteSpinelTetrahedrite

25 IMA Minerals at location:
Alabandite  (*)Alleghanyite  (*)Baryte  (*)Bementite  (*)Bornite  (*)
Calcite  (*)Cymrite  (*)Digenite  (*)Galaxite  (*)Hausmannite  (*)
Helvine  (*)Jacobsite  (*)Manganosite  (*)Nagashimalite  (*)Gersdorffite-Pa3  (*)
Pyrochroite  (*)Quartz  (*)Rhodochrosite  (*)Rhodonite  (*)Roscoelite  (*)
Spessartine  (*)Suzukiite  (*)Tephroite  (*)Tetrahedrite-(Zn)  (*)Wiserite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alabandite  (*)RocksaltMnS274549,74550312
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)217454977
Baryte  (*)BaryteBa(SO4)17454911547
Bementite  (*)ClayMn7Si6O15(OH)8174550173
Bornite  (*)NoneCu5FeS41745495516
Calcite  (*)CalciteCa(CO3)17454927770
Cymrite  (*)NoneBa(Si,Al)4(O,OH)8·H2O17454946
Digenite  (*)DigeniteCu1.8S1745491027
Galaxite  (*)SpinelMn2+Al2O417455043
Hausmannite  (*)SpinelMn2+Mn3+2O4374548,74549,74550350
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S174549237
Jacobsite  (*)SpinelMn2+Fe3+2O4274548,74549172
Manganosite  (*)RocksaltMnO17454973
Nagashimalite  (*)NoneBa4(V3+,Ti)4(O,OH)2[B2Si8O27]Cl1745492
Gersdorffite-Pa3  (*)PyriteNiAsS174549767
Pyrochroite  (*)BruciteMn2+(OH)217454956
Quartz  (*)QuartzSiO217454961156
Rhodochrosite  (*)CalciteMn(CO3)374548,74549,745501711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)274548,74549969
Roscoelite  (*)MicaKV3+2(Si3Al)O10(OH)2174549253
Spessartine  (*)GarnetMn2+3Al2(SiO4)31745491214
Suzukiite  (*)NoneBaV4+Si2O71745494
Tephroite  (*)OlivineMn2+2(SiO4)274548,74549240
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S131745495317
Wiserite  (*)NoneMn2+14(B2O5)4(OH)8·(Si,Mg)(O,OH)4Cl274549,7455015



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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