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:
Nishitama District, Tokyo, Japan


mindat Locality ID: 185882
mindat URL: http://www.mindat.org/loc-185882.html

Tectonic Settings:

Total number of sublocalities beneath "Nishitama District, Tokyo, Japan": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 1
Child Localities:
Okutama-cho

Latitude: 35°48'28"N
Longitude: 139°6'49"E
Decimal Degree (lat, lon): 35.807777777778,139.11361111111

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 B Ba C Ca Cl Co Cu Fe H K Mg Mn Na Ni O S Si Sr Ti V 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAnalcimeAragoniteAxiniteBaryteBenitoiteBrackebuschiteBrauniteCalciteClay
ClinozoisiteCopperCoronaditeCorundumEdingtoniteEpidoteFeldsparGadoliniteGarnetHarmotome
HumiteNoneNot in a structural groupOlivinePectolitePyritePyroxeneQuartzRhodoniteRocksalt
SerpentineSpinel

50 IMA Minerals at location:
Aegirine  (*)Albite  (*)Alleghanyite  (*)Analcime  (*)Andradite  (*)
Axinite-(Mn)  (*)Banalsite  (*)Baryte  (*)Bementite  (*)Benitoite  (*)
Birnessite  (*)Braunite  (*)Calcite  (*)Caryopilite  (*)Celsian  (*)
Copper  (*)Cryptomelane  (*)Cuprite  (*)Cymrite  (*)Datolite  (*)
Edingtonite  (*)Eggletonite  (*)Epidote-(Sr)  (*)Gamagarite  (*)Ganophyllite  (*)
Grossular  (*)Harmotome  (*)Hausmannite  (*)Hematite  (*)Jacobsite  (*)
Manganosite  (*)Marsturite  (*)Neotocite  (*)Orthoclase  (*)Piemontite-(Sr)  (*)
Pyrite  (*)Pyroxmangite  (*)Quartz  (*)Rhodochrosite  (*)Rhodonite  (*)
Serandite  (*)Siegenite  (*)Spessartine  (*)Strontianite  (*)Sussexite  (*)
Tamaite  (*)Tephroite  (*)Tinzenite  (*)Tokyoite  (*)Wiserite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O61766651022
Albite  (*)FeldsparNa(AlSi3O8)1766658803
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)2276662,7666577
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O1766651627
Andradite  (*)GarnetCa3Fe3+2(SiO4)31766651534
Axinite-(Mn)  (*)AxiniteCa4Mn2+2Al4[B2Si8O30](OH)217666588
Banalsite  (*)NoneNa2BaAl4Si4O1617666522
Baryte  (*)BaryteBa(SO4)17666511547
Bementite  (*)ClayMn7Si6O15(OH)8176662173
Benitoite  (*)BenitoiteBaTiSi3O917666520
Birnessite  (*)None(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O176665178
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)176665483
Calcite  (*)CalciteCa(CO3)17666527770
Caryopilite  (*)Clay SerpentineMn2+3Si2O5(OH)4276663,7666483
Celsian  (*)FeldsparBa(Al2Si2O8)176665100
Copper  (*)CopperCu1766653846
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O16176665599
Cuprite  (*)Not in a structural groupCu2O1766652970
Cymrite  (*)NoneBa(Si,Al)4(O,OH)8·H2O17666546
Datolite  (*)GadoliniteCaB(SiO4)(OH)176665498
Edingtonite  (*)EdingtoniteBa(Si3Al2)O10·4H2O17666526
Eggletonite  (*)Clay(Na,K,Ca)xMn6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)1766653
Epidote-(Sr)  (*)EpidoteCaSr(Al2Fe3+)[Si2O7][SiO4]O(OH)1766658
Gamagarite  (*)BrackebuschiteBa2Fe3+(VO4)2(OH)17666510
Ganophyllite  (*)Clay(K,Na)xMn2+6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)276664,7666545
Grossular  (*)GarnetCa3Al2(SiO4)31766651544
Harmotome  (*)HarmotomeBa2(Si12Al4)O32·12H2O176665290
Hausmannite  (*)SpinelMn2+Mn3+2O4276662,76664350
Hematite  (*)CorundumFe2O3376663,76664,7666514640
Jacobsite  (*)SpinelMn2+Fe3+2O4176662172
Manganosite  (*)RocksaltMnO17666473
Marsturite  (*)RhodoniteNaCaMn2+3Si5O14(OH)1766655
Neotocite  (*)Allophane(Mn,Fe)SiO3·H2O (?)176664186
Orthoclase  (*)FeldsparK(AlSi3O8)1766652349
Piemontite-(Sr)  (*)Clinozoisite EpidoteCaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)17666512
Pyrite  (*)PyriteFeS217666439462
Pyroxmangite  (*)NoneMn2+SiO3176662147
Quartz  (*)QuartzSiO2476662,76663,76664,7666561156
Rhodochrosite  (*)CalciteMn(CO3)376662,76664,766651711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)576662,76663,76664,76665,76666969
Serandite  (*)PectoliteNaMn2+2Si3O8(OH)17666538
Siegenite  (*)SpinelCoNi2S4176664249
Spessartine  (*)GarnetMn2+3Al2(SiO4)31766621214
Strontianite  (*)AragoniteSr(CO3)176665589
Sussexite  (*)NoneMn2+BO2(OH)17666225
Tamaite  (*)None(Ca,K,Na)xMn6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)1766652
Tephroite  (*)OlivineMn2+2(SiO4)376662,76664,76665240
Tinzenite  (*)AxiniteCa2Mn2+4Al4[B2Si8O30](OH)217666524
Tokyoite  (*)BrackebuschiteBa2Mn3+(VO4)2OH1766659
Wiserite  (*)NoneMn2+14(B2O5)4(OH)8·(Si,Mg)(O,OH)4Cl276662,7666515



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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