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:
Besshi Mine (Bessi Mine), Besshi, Niihama City, Ehime, Japan

Oldest recorded age at locality: 170
Youngest recorded age at locality: 170

mindat Locality ID: 8667
mindat URL: http://www.mindat.org/loc-8667.html

Tectonic Settings: Backarc Environment

Total number of sublocalities beneath "Besshi Mine (Bessi Mine), Besshi, Niihama City, Ehime, Japan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Honzan Adit

Latitude: 33°51'10"N
Longitude: 133°18'50"E
Decimal Degree (lat, lon): 33.852777777778,133.31388888889

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 C Ca Cr Cu Fe H K Mg Mn Na Ni O S Sb Si Sn Ti Zn 

Elements from minerals reported directly at this locality: Al B C Ca Cr Cu Fe H K Mg Mn Na O S Sb Si Sn Ti Zn 

Structural Groups for minerals in this locality: 
AmphiboleCalciteChalcopyriteChloriteClayClinozoisiteCorundumEpidoteFeldsparGarnet
GypsumMicaNickelineNoneNot in a structural groupPyritePyroxeneQuartzRutileSphalerite
SpinelTetrahedriteTourmaline

34 IMA Minerals at location:
Aegirine-augite  (*)Albite  (*)Almandine  (*)Bornite  (*)Calcite  (*)
Chalcocite  (*)Chalcopyrite  (*)Chromite  (*)Clinochlore  (*)Delafossite  (*)
Diopside  (*)Dravite  (*)Epidote  (*)Glaucophane  (*)Gypsum  (*)
Hematite  (*)Ilmenite  (*)Katophorite  (*)Kyanite  (*)Mackinawite  (*)
Magnesite  (*)Magnetite  (*)Muscovite  (*)Paragonite  (*)Piemontite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rhodostannite  (*)Rutile  (*)
Siderite  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine-augite  (*)Pyroxene(Ca,Na)(Fe3+,Mg,Fe2+)Si2O61701700286
Albite  (*)FeldsparNa(AlSi3O8)17017008803
Almandine  (*)GarnetFe2+3Al2(SiO4)317017002353
Bornite  (*)NoneCu5FeS417017005516
Calcite  (*)CalciteCa(CO3)170170027770
Chalcocite  (*)NoneCu2S17017005707
Chalcopyrite  (*)ChalcopyriteCuFeS217017017410127198
Chromite  (*)SpinelFe2+Cr2O417017003902
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)817017001756
Delafossite  (*)NoneCu1+Fe3+O21701700144
Diopside  (*)PyroxeneCaMgSi2O617017004135
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)1701700648
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)17017008173
Glaucophane  (*)Amphibole   Na2(Mg3Al2)Si8O22(OH)21701700286
Gypsum  (*)GypsumCa(SO4)·2H2O17017006890
Hematite  (*)CorundumFe2O3170170014640
Ilmenite  (*)CorundumFe2+Ti4+O317017005433
Katophorite  (*)AmphiboleNa(NaCa)(Mg4Al)(Si7Al)O22(OH)2170170046
Kyanite  (*)Not in a structural groupAl2OSiO417017001507
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)170170174101451
Magnesite  (*)CalciteMg(CO3)17017001487
Magnetite  (*)SpinelFe2+Fe3+2O4170170014899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2170170017380
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)21701700247
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)1701700260
Pyrite  (*)PyriteFeS217017017410139462
Pyrrhotite  (*)NickelineFe7S81701701741019056
Quartz  (*)QuartzSiO2170170061156
Rhodostannite  (*)SpinelCu1+(Fe2+0.5Sn4+1.5)S4170170010
Rutile  (*)RutileTiO217017005614
Siderite  (*)CalciteFe(CO3)17017006417
Sphalerite  (*)SphaleriteZnS17017017410121482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1317017005317
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)17017001025



1 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
vms-00508170170Late Triassic-Late Jurassic       S8667Besshi Mine (Bessi Mine), Besshi, Niihama City, Ehime, JapanBesshiMoiser et al. (2009) USGSOFR2009_1034 


SampleSource LocalityReference URL


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