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:
Awano, Kanuma City, Tochigi, Japan

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

mindat Locality ID: 186301
mindat URL: http://www.mindat.org/loc-186301.html

Tectonic Settings:

Total number of sublocalities beneath "Awano, Kanuma City, Tochigi, Japan": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Higashizawa Mine
Kaminagano Mine
Kiguchi Mine
Matsuzaka Mine
Nippyo Mine (Yokoneyama)
Yokoneyama 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 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: 

Structural Groups for minerals in this locality: 
AmphiboleApatiteBrauniteCalciteChalcopyriteClayCobaltiteColumbiteCorundumGarnet
NickelineNoneNot in a structural groupOlivinePyritePyrosmaliteQuartzRhodoniteRocksaltRutile

21 IMA Minerals at location:
Braunite  (*)Chalcopyrite  (*)Cobaltite  (*)Fluorapatite  (*)Galena  (*)
Hübnerite  (*)Ilmenite  (*)Laumontite  (*)Gersdorffite-Pa3  (*)Proto-ferro-suenoite  (*)
Pyrolusite  (*)Pyrophanite  (*)Pyrosmalite-(Fe)  (*)Pyrosmalite-(Mn)  (*)Pyroxmangite  (*)
Pyrrhotite  (*)Quartz  (*)Rhodochrosite  (*)Rhodonite  (*)Spessartine  (*)
Tephroite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)63.522.3176539483
Chalcopyrite  (*)ChalcopyriteCuFeS263.522.317654027198
Cobaltite  (*)CobaltiteCoAsS63.522.3276540,76541966
Fluorapatite  (*)ApatiteCa5(PO4)3F63.522.31765402740
Galena  (*)RocksaltPbS63.522.317654024243
Hübnerite  (*)ColumbiteMn2+(WO4)63.522.3176540469
Ilmenite  (*)CorundumFe2+Ti4+O363.522.31765405433
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O63.522.31765401271
Gersdorffite-Pa3  (*)PyriteNiAsS63.522.3176540767
Proto-ferro-suenoite  (*)Amphibole   Mn2+2Fe2+5Si8O22(OH)263.522.3276540,765413
Pyrolusite  (*)RutileMnO263.522.31765373106
Pyrophanite  (*)CorundumMn2+TiO363.522.3276540,76541244
Pyrosmalite-(Fe)  (*)Pyrosmalite ClayFe2+8Si6O15(OH)1063.522.317654038
Pyrosmalite-(Mn)  (*)Pyrosmalite ClayMn2+8Si6O15(OH,Cl)1063.522.317654025
Pyroxmangite  (*)NoneMn2+SiO363.522.3276540,76541147
Pyrrhotite  (*)NickelineFe7S863.522.31765409056
Quartz  (*)QuartzSiO263.522.3276539,7654061156
Rhodochrosite  (*)CalciteMn(CO3)63.522.31765401711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)63.522.3276540,76541969
Spessartine  (*)GarnetMn2+3Al2(SiO4)363.522.31765401214
Tephroite  (*)OlivineMn2+2(SiO4)63.522.3176541240



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

All age data...

Other copyright data...