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:
Tumkur District, Karnataka, India


mindat Locality ID: 214462
mindat URL: http://www.mindat.org/loc-214462.html

Tectonic Settings:

Total number of sublocalities beneath "Tumkur District, Karnataka, India": 6
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Bandihalli
Chitradurga Belt
Koratagere Taluk
Pavagada

Latitude: 13°38'14"N
Longitude: 77°0'45"E
Decimal Degree (lat, lon): 13.637222222222,77.0125
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 Au C Ca Cr Cu Fe H K Mg Na O S Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleArsenopyriteBerylCalciteChalcopyriteClayClinozoisiteCopperCorundumEpidote
FeldsparGarnetMicaNickelineNoneNot in a structural groupPyritePyroxeneQuartzSpinel
StilpnomelaneTalc

23 IMA Minerals at location:
Actinolite  (*)Albite  (*)Ankerite  (*)Arsenopyrite  (*)Calcite  (*)
Chalcopyrite  (*)Chromite  (*)Clinozoisite  (*)Cordierite  (*)Diopside  (*)
Gedrite  (*)Gold  (*)Graphite  (*)Ilmenite  (*)Magnetite  (*)
Minnesotaite  (*)Muscovite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Sillimanite  (*)Stilpnomelane  (*)Uvarovite  (*)
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)21663513419
Albite  (*)FeldsparNa(AlSi3O8)1663518803
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)21663513092
Arsenopyrite  (*)ArsenopyriteFeAsS1663519052
Calcite  (*)CalciteCa(CO3)266349,6635127770
Chalcopyrite  (*)ChalcopyriteCuFeS216635127198
Chromite  (*)SpinelFe2+Cr2O41663493902
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)1663491025
Cordierite  (*)BerylMg2Al4Si5O18266353,663541008
Diopside  (*)PyroxeneCaMgSi2O6266349,663534135
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)2166353178
Gold  (*)CopperAu16635130554
Graphite  (*)NoneC1663512812
Ilmenite  (*)CorundumFe2+Ti4+O31663515433
Magnetite  (*)SpinelFe2+Fe3+2O416635114899
Minnesotaite  (*)Clay TalcFe2+3Si4O10(OH)216635161
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)216635117380
Pyrite  (*)PyriteFeS216635139462
Pyrrhotite  (*)NickelineFe7S81663519056
Quartz  (*)QuartzSiO2366349,66351,6635361156
Sillimanite  (*)Not in a structural groupAl2SiO51663531516
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O166351456
Uvarovite  (*)GarnetCa3Cr2(SiO4)3166349212


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...