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:
Kolar District, Karnataka, India


mindat Locality ID: 238834
mindat URL: http://www.mindat.org/loc-238834.html

Tectonic Settings:

Total number of sublocalities beneath "Kolar District, Karnataka, India": 14
Total number of bottom-level sublocalities: 9

Number of Child Localities: 1
Child Localities:
Kolar Gold Fields

Latitude: 12°57'13"N
Longitude: 78°15'0"E
Decimal Degree (lat, lon): 12.953611111111,78.25

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: Ag Al As Au Bi C Ca Cd Cl Cu Fe H K Mg Mn Na Ni O Pb S Sb Si Te Ti W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleArsenicArsenopyriteBerylCalciteChalcopyriteClayClinozoisiteCopperCorundum
CubaniteEpidoteFeldsparGarnetLöllingiteMarcasiteMeloniteMicaNickelineNone
Not in a structural groupPyritePyroxeneQuartzRocksaltRutileScheeliteSphaleriteSpinelTalc
TetradymiteTetrahedriteTitaniteUllmanniteWurtzite

58 IMA Minerals at location:
Actinolite  (*)Albite  (*)Altaite  (*)Anorthite  (*)Anthophyllite  (*)
Arsenopyrite  (*)Bismuth  (*)Breithauptite  (*)Calaverite  (*)Calcite  (*)
Chalcopyrite  (*)Clino-suenoite  (*)Clinozoisite  (*)Cordierite  (*)Cotunnite  (*)
Cubanite  (*)Cummingtonite  (*)Diopside  (*)Dolomite  (*)Epidote  (*)
Galena  (*)Gold  (*)Graphite  (*)Grossular  (*)Grunerite  (*)
Gudmundite  (*)Hawleyite  (*)Hedleyite  (*)Hematite  (*)Hessite  (*)
Ilmenite  (*)Kolarite  (*)Kutnohorite  (*)Löllingite  (*)Mackinawite  (*)
Magnesio-hornblende  (*)Magnetite  (*)Marcasite  (*)Muscovite  (*)Orthoclase  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Radhakrishnaite  (*)Rutile  (*)
Scheelite  (*)Siderite  (*)Sillimanite  (*)Spessartine  (*)Sphalerite  (*)
Talc  (*)Tetrahedrite-(Zn)  (*)Titanite  (*)Tschermakite  (*)Tsumoite  (*)
Ullmannite  (*)Volynskite  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2266337,663403419
Albite  (*)FeldsparNa(AlSi3O8)1663378803
Altaite  (*)RocksaltPbTe266329,66333489
Anorthite  (*)FeldsparCa(Al2Si2O8)1663371036
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)2166337718
Arsenopyrite  (*)ArsenopyriteFeAsS566329,66331,66333,66334,663409052
Bismuth  (*)ArsenicBi1663271966
Breithauptite  (*)NickelineNiSb166327175
Calaverite  (*)MeloniteAuTe2166333361
Calcite  (*)CalciteCa(CO3)666329,66331,66333,66334,66337,6634027770
Chalcopyrite  (*)ChalcopyriteCuFeS2566329,66331,66333,66334,6633927198
Clino-suenoite  (*)Amphibole   Mn2+2Mg5Si8O22(OH)226633757
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)1663371025
Cordierite  (*)BerylMg2Al4Si5O181663371008
Cotunnite  (*)NonePbCl216632954
Cubanite  (*)Cubanite WurtziteCuFe2S3166333802
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)2266337,66340327
Diopside  (*)PyroxeneCaMgSi2O6366329,66333,663374135
Dolomite  (*)NoneCaMg(CO3)21663379895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)266329,663378173
Galena  (*)RocksaltPbS366329,66333,6633924243
Gold  (*)CopperAu566327,66329,66333,66339,6634030554
Graphite  (*)NoneC366330,66333,663342812
Grossular  (*)GarnetCa3Al2(SiO4)31663371544
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)2166340223
Gudmundite  (*)ArsenopyriteFeSbS166327170
Hawleyite  (*)SphaleriteCdS266327,6632962
Hedleyite  (*)TetradymiteBi7Te3166327104
Hematite  (*)CorundumFe2O316633714640
Hessite  (*)NoneAg2Te266327,66329804
Ilmenite  (*)CorundumFe2+Ti4+O3466331,66333,66334,663375433
Kolarite  (*)NonePbTeCl21663293
Kutnohorite  (*)NoneCaMn2+(CO3)2166337234
Löllingite  (*)LöllingiteFeAs2366331,66333,66340762
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)166333451
Magnesio-hornblende  (*)Amphibole   Ca2(Mg4Al)(Si7Al)O22(OH)2166337238
Magnetite  (*)SpinelFe2+Fe3+2O4766330,66331,66333,66334,66337,66339,6634014899
Marcasite  (*)MarcasiteFeS21663335674
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2266327,6633717380
Orthoclase  (*)FeldsparK(AlSi3O8)1663372349
Pyrite  (*)PyriteFeS2366329,66333,6633939462
Pyrrhotite  (*)NickelineFe7S8766329,66330,66331,66333,66334,66339,663409056
Quartz  (*)QuartzSiO2866329,66330,66331,66333,66334,66337,66339,6634061156
Radhakrishnaite  (*)NonePbTe3(Cl,S)21663292
Rutile  (*)RutileTiO21663345614
Scheelite  (*)ScheeliteCa(WO4)366327,66329,663394894
Siderite  (*)CalciteFe(CO3)1663406417
Sillimanite  (*)Not in a structural groupAl2SiO51663371516
Spessartine  (*)GarnetMn2+3Al2(SiO4)31663371214
Sphalerite  (*)SphaleriteZnS666329,66330,66331,66333,66334,6633921482
Talc  (*)Clay TalcMg3Si4O10(OH)21663373337
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13266327,663295317
Titanite  (*)TitaniteCaTi(SiO4)O1663374899
Tschermakite  (*)Amphibole   Ca2(Mg3Al2)(Si6Al2)O22(OH)216633773
Tsumoite  (*)TetradymiteBiTe166327100
Ullmannite  (*)UllmanniteNiSbS166329293
Volynskite  (*)NoneAgBiTe216632964
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)1663371025



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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