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:
Iwama, Kasama City, Ibaraki, Japan


mindat Locality ID: 278725
mindat URL: http://www.mindat.org/loc-278725.html

Tectonic Settings:

Total number of sublocalities beneath "Iwama, Kasama City, Ibaraki, Japan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Nagasawa Deposit

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 Be Bi C Ca Co Cu F Fe H K Mg Mn Mo Ni O P Pb S Si Te Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleApatiteArsenicArsenopyriteCalciteCancrinite-sodaliteChalcopyriteChloriteClayCobaltite
CorundumGarnetLöllingiteMicaMolybdeniteNickelineNonePentlanditePyriteQuartz
RhodoniteRocksaltSodaliteSphaleriteStibniteTetradymite

28 IMA Minerals at location:
Arsenic  (*)Arsenopyrite  (*)Bismuth  (*)Bismuthinite  (*)Chalcopyrite  (*)
Clino-suenoite  (*)Clinochlore  (*)Cobaltite  (*)Fluorapatite  (*)Galena  (*)
Hedleyite  (*)Helvine  (*)Löllingite  (*)Molybdenite  (*)Nickeline  (*)
Gersdorffite-Pa3  (*)Parkerite  (*)Pentlandite  (*)Phlogopite  (*)Pyrite  (*)
Pyrophanite  (*)Pyroxmangite  (*)Pyrrhotite  (*)Quartz  (*)Rhodochrosite  (*)
Rhodonite  (*)Spessartine  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenic  (*)ArsenicAs174982379
Arsenopyrite  (*)ArsenopyriteFeAsS1749829052
Bismuth  (*)ArsenicBi1749821966
Bismuthinite  (*)StibniteBi2S31749821935
Chalcopyrite  (*)ChalcopyriteCuFeS217498227198
Clino-suenoite  (*)Amphibole   Mn2+2Mg5Si8O22(OH)227498257
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)81749821756
Cobaltite  (*)CobaltiteCoAsS174982966
Fluorapatite  (*)ApatiteCa5(PO4)3F1749822740
Galena  (*)RocksaltPbS17498224243
Hedleyite  (*)TetradymiteBi7Te3174982104
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S174982237
Löllingite  (*)LöllingiteFeAs2174982762
Molybdenite  (*)MolybdeniteMoS21749825800
Nickeline  (*)NickelineNiAs174982633
Gersdorffite-Pa3  (*)PyriteNiAsS174982767
Parkerite  (*)NoneNi3(Bi,Pb)2S217498255
Pentlandite  (*)Pentlandite(Ni,Fe)9S81749821512
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21749822273
Pyrite  (*)PyriteFeS217498239462
Pyrophanite  (*)CorundumMn2+TiO3174982244
Pyroxmangite  (*)NoneMn2+SiO3174982147
Pyrrhotite  (*)NickelineFe7S81749829056
Quartz  (*)QuartzSiO217498261156
Rhodochrosite  (*)CalciteMn(CO3)1749821711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)174982969
Spessartine  (*)GarnetMn2+3Al2(SiO4)31749821214
Sphalerite  (*)SphaleriteZnS17498221482


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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