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:
Kerala, India

Oldest recorded age at locality: 515
Youngest recorded age at locality: 0

mindat Locality ID: 55218
mindat URL: http://www.mindat.org/loc-55218.html

Tectonic Settings:

Total number of sublocalities beneath "Kerala, India": 14
Total number of bottom-level sublocalities: 7

Number of Child Localities: 6
Child Localities:
Chavara Alluvial Deposit
Kolachel (Colachel)
Kollam District
Palghat District
Thiruvananthapuram District
Thrissur District (Trichur)

Latitude: 9°22'52"N
Longitude: 76°36'21"E
Decimal Degree (lat, lon): 9.3811111111111,76.605833333333

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 Be C Ca Ce Cr Cu F Fe H Mg Na Ni O P S Si Th Ti Zr 

Elements from minerals reported directly at this locality: C 

Structural Groups for minerals in this locality: 
AllaniteAmphiboleApatiteCalciteChalcopyriteClayClinozoisiteCopperCorundumCubanite
EpidoteFeldsparGarnetIronKaoliniteMonaziteNoneOlivinePyritePyroxene
QuartzRutileSphaleriteSpinelTitaniteTurquoiseZircon

33 IMA Minerals at location:
Actinolite  (*)Albite  (*)Allanite-(Ce)  (*)Almandine  (*)Anorthite  (*)
Calcite  (*)Chalcopyrite  (*)Cheralite  (*)Chromite  (*)Chrysoberyl  (*)
Copper  (*)Diopside  (*)Epidote  (*)Fluorapatite  (*)Graphite  (*)
Ilmenite  (*)Iron  (*)Isocubanite  (*)Kaolinite  (*)Mackinawite  (*)
Magnetite  (*)Monazite-(Ce)  (*)Pyrite  (*)Quartz  (*)Rutile  (*)
Spinel  (*)Taenite  (*)Thorite  (*)Titanite  (*)Tremolite  (*)
Troilite  (*)Turquoise  (*)Zircon  (*)
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)24964521663643419
Albite  (*)FeldsparNa(AlSi3O8)4964521663698803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)496452166364706
Almandine  (*)GarnetFe2+3Al2(SiO4)34964521663612353
Anorthite  (*)FeldsparCa(Al2Si2O8)4964521663641036
Calcite  (*)CalciteCa(CO3)49645216636927770
Chalcopyrite  (*)ChalcopyriteCuFeS249645216636927198
Cheralite  (*)MonaziteCaTh(PO4)251545216636750
Chromite  (*)SpinelFe2+Cr2O44964521663633902
Chrysoberyl  (*)OlivineBeAl2O4515452166367321
Copper  (*)CopperCu4964521663633846
Diopside  (*)PyroxeneCaMgSi2O6496452266363,663694135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)496452266364,663698173
Fluorapatite  (*)ApatiteCa5(PO4)3F4964521663642740
Graphite  (*)NoneC515002812
Ilmenite  (*)CorundumFe2+Ti4+O3496452666356,66358,66361,66363,66364,663695433
Iron  (*)IronFe4964521663631089
Isocubanite  (*)Sphalerite CubaniteCuFe2S3496452166363191
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)45154521663675591
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)496452166363451
Magnetite  (*)SpinelFe2+Fe3+2O449645216636914899
Monazite-(Ce)  (*)MonaziteCe(PO4)496452366356,66358,66361945
Pyrite  (*)PyriteFeS249645216636939462
Quartz  (*)QuartzSiO2515452566356,66358,66361,66367,6636961156
Rutile  (*)RutileTiO24964521663615614
Spinel  (*)SpinelMgAl2O44964521663611934
Taenite  (*)None(Ni,Fe)496452166363703
Thorite  (*)ZirconTh(SiO4)4964521663641006
Titanite  (*)TitaniteCaTi(SiO4)O4964521663694899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)24964521663642562
Troilite  (*)NoneFeS4964521663631044
Turquoise  (*)TurquoiseCuAl6(PO4)4(OH)8·4H2O496452166369484
Zircon  (*)ZirconZr(SiO4)515452666356,66358,66361,66364,66367,663695251



4 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
ree-003652.60Quaternary        213330Chavara Alluvial Deposit, Kerala, IndiaChavara (Quilon)- IRELOrris and Grauch (2002) USGSOFR02_189 
ree-003662.60Quaternary        213330Chavara Alluvial Deposit, Kerala, IndiaChavara (Quilon)- KMMLOrris and Grauch (2002) USGSOFR02_189 
Bradley_2012_005496452474±22Pb/Th monazite     16560Kuttakuzhi (Kuttankuli), Thiruvananthapuram (Trivandrum), Thiruvananthapuram District, Kerala, India[Ponmudi Unit]McCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 
Bradley_2012_099515511513±2U/Pb zircon   Zircon  16560Kuttakuzhi (Kuttankuli), Thiruvananthapuram (Trivandrum), Thiruvananthapuram District, Kerala, IndiaMelankodeMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 


SampleSource LocalityReference URL


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