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:
Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, Namibia

Oldest recorded age at locality: 1000
Youngest recorded age at locality: 541

mindat Locality ID: 158050
mindat URL: http://www.mindat.org/loc-158050.html

Tectonic Settings:

Total number of sublocalities beneath "Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, Namibia": 0
Total number of bottom-level sublocalities: 0

Latitude: 20°17'31"S
Longitude: 14°43'28"E
Decimal Degree (lat, lon): -20.291944444444,14.724444444444
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 Ba C Ca Ce Cl F Fe H K Mg Na Nb O P S Si Th Ti Y Zr 

Elements from minerals reported directly at this locality: Al Ba C Ca Ce Cl F Fe H K Mg Na Nb O P S Si Th Ti Y Zr 

Structural Groups for minerals in this locality: 
AmphiboleApatiteBaryteBastnäsiteCalciteCancriniteCancrinite-sodaliteClayClinozoisiteColumbite
CorundumEpidoteFeldsparFluoriteMicaMonaziteNoneParisitePyritePyroxene
QuartzRutileSodaliteSpinelTitaniteTridymiteZirconZirconolite

34 IMA Minerals at location:
Aegirine  (*)Aegirine-augite  (*)Albite  (*)Ankerite  (*)Augite  (*)
Baryte  (*)Bastnäsite-(Ce)  (*)Calcite  (*)Cancrinite  (*)Columbite-(Fe)  (*)
Dolomite  (*)Epidote  (*)Fluorapatite  (*)Fluorite  (*)Hematite  (*)
Ilmenite  (*)Magnetite  (*)Microcline  (*)Monazite-(Ce)  (*)Muscovite  (*)
Nepheline  (*)Parisite-(Ce)  (*)Phlogopite  (*)Pyrite  (*)Quartz  (*)
Riebeckite  (*)Rutile  (*)Sodalite  (*)Synchysite-(Ce)  (*)Thorite  (*)
Titanite  (*)Xenotime-(Y)  (*)Zircon  (*)Zirconolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O6100054101022
Aegirine-augite  (*)Pyroxene(Ca,Na)(Fe3+,Mg,Fe2+)Si2O610005410286
Albite  (*)FeldsparNa(AlSi3O8)100054108803
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2100054103092
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O6100054102060
Baryte  (*)BaryteBa(SO4)1000541011547
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F10005410304
Calcite  (*)CalciteCa(CO3)1000541027770
Cancrinite  (*)Cancrinite(Na,Ca,   )8(Al6Si6)O24(CO3,SO4)2·2H2O10005410232
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O610005410518
Dolomite  (*)NoneCaMg(CO3)2100054109895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)100054108173
Fluorapatite  (*)ApatiteCa5(PO4)3F100054102740
Fluorite  (*)FluoriteCaF2100054109617
Hematite  (*)CorundumFe2O31000541014640
Ilmenite  (*)CorundumFe2+Ti4+O3100054105433
Magnetite  (*)SpinelFe2+Fe3+2O41000541014899
Microcline  (*)FeldsparK(AlSi3O8)100054104924
Monazite-(Ce)  (*)MonaziteCe(PO4)10005410945
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)21000541017380
Nepheline  (*)TridymiteNa3K(Al4Si4O16)10005410884
Parisite-(Ce)  (*)ParisiteCaCe2(CO3)3F210005410112
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2100054102273
Pyrite  (*)PyriteFeS21000541039462
Quartz  (*)QuartzSiO21000541061156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)210005410375
Rutile  (*)RutileTiO2100054105614
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl10005410444
Synchysite-(Ce)  (*)NoneCaCe(CO3)2F10005410232
Thorite  (*)ZirconTh(SiO4)100054101006
Titanite  (*)TitaniteCaTi(SiO4)O100054104899
Xenotime-(Y)  (*)ZirconY(PO4)10005410939
Zircon  (*)ZirconZr(SiO4)75874605251
Zirconolite  (*)Zirconolite(Ca,Y)Zr(Ti,Mg,Al)2O710005410140


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000976MAGMATIC STYLE: Dykes over an area of 13x8 km.. ASSOCIATED SILICATE ROCKS: Quartz syenite, nepheline syenite and felsic dykes.
Jen_0000977MAGMATIC STYLE: Dykes over an area of 13x8 km.. ASSOCIATED SILICATE ROCKS: Quartz syenite, nepheline syenite and felsic dykes.


5 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
CM46_861_0001771749760 ± 11U-Pbmineralizationxenotime     158050Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, NamibiaLofdal depositWall (2008) CM46_861 
GSNC11_47_0001758754756 ± 2U-Pbmineralizationzircon   Zircon  158050Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, NamibiaLofdal depositHoffman (1996) GSNC11_47 
Jen_0000976746746746U-Pb zircon   Zircon  158050Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, NamibiaOas and LofdalWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000977758754756±2U-Pb zircon   Zircon  158050Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, NamibiaOas and LofdalWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
ree-004791000541Late Proterozoic        158050Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, NamibiaLofdal-BergvilleOrris and Grauch (2002) USGSOFR02_189 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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