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:
Malacacheta, Minas Gerais, Brazil

Oldest recorded age at locality: 530
Youngest recorded age at locality: 500

mindat Locality ID: 6875
mindat URL: http://www.mindat.org/loc-6875.html

Tectonic Settings:

Total number of sublocalities beneath "Malacacheta, Minas Gerais, Brazil": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Fogo Creek
São Pedro Claim

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 B Ba Be Ca Fe H K Mg Na Nb O P Pb S Si U 

Elements from minerals reported directly at this locality: Al B Be Ca Fe H K Mg Na O Si 

Structural Groups for minerals in this locality: 
AmphiboleAutuniteBerylClayColumbiteMeta-autuniteMicaNoneNot in a structural groupOlivine
PyritePyroxeneQuartzTourmaline

15 IMA Minerals at location:
Autunite  (*)Beryl  (*)Chrysoberyl  (*)Columbite-(Fe)  (*)Diopside  (*)
Kyanite  (*)Meta-autunite  (*)Muscovite  (*)Parsonsite  (*)Pyrite  (*)
Quartz  (*)Schorl  (*)Sillimanite  (*)Tremolite  (*)Uranocircite-II  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O5305001278511272
Beryl  (*)BerylBe3Al2Si6O1853050004286
Chrysoberyl  (*)OlivineBeAl2O4530500127850321
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6530500127851518
Diopside  (*)PyroxeneCaMgSi2O653050004135
Kyanite  (*)Not in a structural groupAl2OSiO45305001278501507
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O530500127851388
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2530500017380
Parsonsite  (*)NonePb2(UO2)(PO4)253050012785163
Pyrite  (*)PyriteFeS253050012785039462
Quartz  (*)QuartzSiO2530500061156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)53050002705
Sillimanite  (*)Not in a structural groupAl2SiO553050001516
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)253050002562
Uranocircite-II  (*)NoneBa(UO2)2(PO4)2·10H2O53050012785189


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Alexandra-0435G4 supersuite


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
Alexandra-0435530500530-500U–PbAge of pegmatitezircon  YesZircon  186036Caraí, Minas Gerais, Brazil Pedrosa-Soares et al. (2011)10.1144/SP350.3GSSP350_25 

SampleSource LocalityReference URL
R060476São Pedro Claim, Malacacheta, Minas Gerais, Brazilhttps://rruff.info/R060476

All locality data graciously provided by mindat.org

All age data...

Other copyright data...