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:
Nippyo Mine (Yokoneyama), Awano, Kanuma City, Tochigi, Japan

Oldest recorded age at locality: 63.5
Youngest recorded age at locality: 22.3

mindat Locality ID: 5812
mindat URL: http://www.mindat.org/loc-5812.html

Tectonic Settings:

Total number of sublocalities beneath "Nippyo Mine (Yokoneyama), Awano, Kanuma City, Tochigi, Japan": 0
Total number of bottom-level sublocalities: 0

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 C Ca Cl Co Cu F Fe H Mn Ni O P Pb S Si Ti W 

Elements from minerals reported directly at this locality: Al As C Ca Cl Co Cu F Fe H Mn Ni O P Pb S Si Ti W 

Structural Groups for minerals in this locality: 
AmphiboleApatiteCalciteChalcopyriteClayCobaltiteColumbiteCorundumGarnetNickeline
NoneNot in a structural groupPyritePyrosmaliteQuartzRhodoniteRocksalt

18 IMA Minerals at location:
Chalcopyrite  (*)Cobaltite  (*)Fluorapatite  (*)Galena  (*)Hübnerite  (*)
Ilmenite  (*)Laumontite  (*)Gersdorffite-Pa3  (*)Proto-ferro-suenoite  (*)Pyrophanite  (*)
Pyrosmalite-(Fe)  (*)Pyrosmalite-(Mn)  (*)Pyroxmangite  (*)Pyrrhotite  (*)Quartz  (*)
Rhodochrosite  (*)Rhodonite  (*)Spessartine  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chalcopyrite  (*)ChalcopyriteCuFeS263.522.3027198
Cobaltite  (*)CobaltiteCoAsS63.522.30966
Fluorapatite  (*)ApatiteCa5(PO4)3F63.522.302740
Galena  (*)RocksaltPbS63.522.3024243
Hübnerite  (*)ColumbiteMn2+(WO4)63.522.30469
Ilmenite  (*)CorundumFe2+Ti4+O363.522.305433
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O63.522.301271
Gersdorffite-Pa3  (*)PyriteNiAsS63.522.30767
Proto-ferro-suenoite  (*)Amphibole   Mn2+2Fe2+5Si8O22(OH)263.522.303
Pyrophanite  (*)CorundumMn2+TiO363.522.30244
Pyrosmalite-(Fe)  (*)Pyrosmalite ClayFe2+8Si6O15(OH)1063.522.3038
Pyrosmalite-(Mn)  (*)Pyrosmalite ClayMn2+8Si6O15(OH,Cl)1063.522.3025
Pyroxmangite  (*)NoneMn2+SiO363.522.30147
Pyrrhotite  (*)NickelineFe7S863.522.309056
Quartz  (*)QuartzSiO263.522.3061156
Rhodochrosite  (*)CalciteMn(CO3)63.522.301711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)63.522.30969
Spessartine  (*)GarnetMn2+3Al2(SiO4)363.522.301214



2 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
Mo-0033663.554.358.9±4.6Re-Os molybdeniteOwashi (Ow) YesMolybdenite Mo143339Kanuma City, Tochigi, JapanKanuma, TochigiSuzuki et al. (1996)10.1016/0016-7037(96)00164-0GCA60_3151 
Mo-0033732.722.327.5±5.2Re-Os molybdeniteOwashi (Ow) YesMolybdenite Mo143339Kanuma City, Tochigi, JapanKanuma, TochigiSuzuki et al. (1996)10.1016/0016-7037(96)00164-0GCA60_3151 


SampleSource LocalityReference URL
FKM-190Nippyo Mine (Yokoneyama), Awano, Kanuma City, Tochigi, Japanhttps://www.rockptx.com/fkm-176-to-fkm-200/#FKM-190
R061000Nippyo Mine (Yokoneyama), Awano, Kanuma City, Tochigi, Japanhttps://rruff.info/R061000
R060999Nippyo Mine (Yokoneyama), Awano, Kanuma City, Tochigi, Japanhttps://rruff.info/R060999


All locality data graciously provided by mindat.org

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