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:
Messum Igneous Complex, Brandberg Area, Dâures, Erongo Region, Namibia

Oldest recorded age at locality: 150
Youngest recorded age at locality: 125.5

mindat Locality ID: 235952
mindat URL: http://www.mindat.org/loc-235952.html

Tectonic Settings:

Total number of sublocalities beneath "Messum Igneous Complex, Brandberg Area, Dâures, Erongo Region, Namibia": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Messum Crater

Latitude: 21°24'44"S
Longitude: 14°12'43"E
Decimal Degree (lat, lon): -21.412222222222,14.211944444444

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 Ce Cl F Fe H K Mg Na O S Si Ti Zr 

Elements from minerals reported directly at this locality: Ca Fe H Mg O Si 

Structural Groups for minerals in this locality: 
AllaniteAmphiboleAnalcimeCalciteCancrinite-sodaliteClinozoisiteDiasporeEpidoteEudialyteFeldspar
FluoriteGypsumNatroliteNonePyritePyroxeneQuartzRutileSodaliteSpinel
TopazTourmalineTridymiteZircon

25 IMA Minerals at location:
Actinolite  (*)Aegirine  (*)Aegirine-augite  (*)Albite  (*)Allanite-(Ce)  (*)
Analcime  (*)Calcite  (*)Epidote  (*)Eudialyte  (*)Fluorite  (*)
Goethite  (*)Gypsum  (*)Hastingsite  (*)Magnetite  (*)Microcline  (*)
Nepheline  (*)Orthoclase  (*)Pyrite  (*)Quartz  (*)Rutile  (*)
Schorl  (*)Scolecite  (*)Sodalite  (*)Topaz  (*)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)2150125.503419
Aegirine  (*)PyroxeneNaFe3+Si2O6150125.51864201022
Aegirine-augite  (*)Pyroxene(Ca,Na)(Fe3+,Mg,Fe2+)Si2O6150125.5186420286
Albite  (*)FeldsparNa(AlSi3O8)150125.51864208803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)150125.5186420706
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O150125.51864201627
Calcite  (*)CalciteCa(CO3)150125.518642027770
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)150125.51864208173
Eudialyte  (*)EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2150125.5186420182
Fluorite  (*)FluoriteCaF2150125.51864209617
Goethite  (*)DiasporeFeO(OH)150125.51864207437
Gypsum  (*)GypsumCa(SO4)·2H2O150125.51864206890
Hastingsite  (*)AmphiboleNaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2150125.5186420209
Magnetite  (*)SpinelFe2+Fe3+2O4150125.518642014899
Microcline  (*)FeldsparK(AlSi3O8)150125.51864204924
Nepheline  (*)TridymiteNa3K(Al4Si4O16)150125.5186420884
Orthoclase  (*)FeldsparK(AlSi3O8)150125.51864202349
Pyrite  (*)PyriteFeS2150125.518642039462
Quartz  (*)QuartzSiO2150125.518642061156
Rutile  (*)RutileTiO2150125.51864205614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)150125.51864202705
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O150125.5186420390
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl150125.5186420444
Topaz  (*)TopazAl2SiO4F2150125.51864201476
Zircon  (*)ZirconZr(SiO4)150125.51864205251



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000463Africa carbonatite complex
Jen_0000464Africa carbonatite complex
Jen_0000465Africa carbonatite complex


3 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
Jen_0000463134.2129.8132±2.2Rb-Sr whole rock     235952Messum Igneous Complex, Brandberg Area, Dâures, Erongo Region, NamibiaMessum ComplexErnst and Bell (2010)10.1007/s00710-009-0074-1MP98_55 
Jen_0000464150148149±1Ar-Ar biotite     235952Messum Igneous Complex, Brandberg Area, Dâures, Erongo Region, NamibiaMessum ComplexErnst and Bell (2010)10.1007/s00710-009-0074-1MP98_55 
Jen_0000465128.1125.5126.8±1.3Rb-Sr whole rock     235952Messum Igneous Complex, Brandberg Area, Dâures, Erongo Region, NamibiaMessum ComplexErnst and Bell (2010)10.1007/s00710-009-0074-1MP98_55 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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