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:
Kaapsche Hoop (Kaapsehoop), Barberton, Ehlanzeni District, Mpumalanga, South Africa

Oldest recorded age at locality: 3640
Youngest recorded age at locality: 3040

mindat Locality ID: 57368
mindat URL: http://www.mindat.org/loc-57368.html

Tectonic Settings:

Total number of sublocalities beneath "Kaapsche Hoop (Kaapsehoop), Barberton, Ehlanzeni District, Mpumalanga, South Africa": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
New Amianthus Mine (Kaapsche Hoop Asbestos Mine)
Roadcut Stichtite Occurrence
Stella Mine

Latitude: 25°34'11"S
Longitude: 30°47'10"E
Decimal Degree (lat, lon): -25.569722222222,30.786111111111
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: C Co Cr Fe H Mg Ni O S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ClayHydrotalciteNonePentlanditeSerpentineSphaleriteSpinel

10 IMA Minerals at location:
Chromite  (*)Chrysotile  (*)Cobaltpentlandite  (*)Godlevskite  (*)Heazlewoodite  (*)
Magnetite  (*)Pecoraite  (*)Pentlandite  (*)Sphalerite  (*)Stichtite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chromite  (*)SpinelFe2+Cr2O43640304011066283902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)4364030402106628,106630951
Cobaltpentlandite  (*)PentlanditeCo9S836403040110662882
Godlevskite  (*)Pentlandite(Ni,Fe)9S836403040110662840
Heazlewoodite  (*)NoneNi3S2364030401106628205
Magnetite  (*)SpinelFe2+Fe3+2O436403040110663014899
Pecoraite  (*)Clay SerpentineNi3Si2O5(OH)436403040110662840
Pentlandite  (*)Pentlandite(Ni,Fe)9S83640304011066281512
Sphalerite  (*)SphaleriteZnS36403040110662821482
Stichtite  (*)HydrotalciteMg6Cr2(CO3)(OH)16·4H2O364030402106628,10662943


8 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
Hg-0002730433043      YesCinnabarHg3086Barberton, Ehlanzeni District, Mpumalanga, South Africa Pearton (1986); Cairncross (2004); Toulkeridis et al. (2010)   
Kristen002027357035103540±30Sm/Ndcrustal age   Yes  3086Barberton, Ehlanzeni District, Mpumalanga, South AfricaBon Accord Ni Deposit, Barbertonde Wit et al. (1987)10.1016/0899-5362(87)90007-8JAES6_681 
Kristen002028353033903460±70Pb/Pb    Yes  3086Barberton, Ehlanzeni District, Mpumalanga, South AfricaBon Accord Ni Deposit, Barbertonde Wit et al. (1987)10.1016/0899-5362(87)90007-8JAES6_681 
Kristen002029363032303430±200Rb/Sr    Yes  3086Barberton, Ehlanzeni District, Mpumalanga, South AfricaBon Accord Ni Deposit, Barbertonde Wit et al. (1987)10.1016/0899-5362(87)90007-8JAES6_681age obtained from mineral density separates of basaltic komatite
Kristen002030364030403340±300K-Ar whole rock  Yes  3086Barberton, Ehlanzeni District, Mpumalanga, South AfricaBon Accord Ni Deposit, Barbertonde Wit et al. (1987)10.1016/0899-5362(87)90007-8JAES6_681 
Kristen00203134193230 40Ar/39Ar    Yes  3086Barberton, Ehlanzeni District, Mpumalanga, South AfricaBon Accord Ni Deposit, Barbertonde Wit et al. (1987)10.1016/0899-5362(87)90007-8JAES6_681 
Kristen00203234903450  age of pervasive metamorphismhigh   Yes  3086Barberton, Ehlanzeni District, Mpumalanga, South AfricaBon Accord Ni Deposit, Barbertonde Wit et al. (1987)10.1016/0899-5362(87)90007-8JAES6_681 
Mo-0004935003100 U-Pb    YesMolybdeniteMo3086Barberton, Ehlanzeni District, Mpumalanga, South Africa Kakegawa and Ohmoto (1999); de Ronde et al. (1991; 1992); Armstrong et al. (1990)   

SampleSource LocalityReference URL
FKM-154New Amianthus Mine (Kaapsche Hoop Asbestos Mine), Kaapsche Hoop (Kaapsehoop), Barberton, Ehlanzeni District, Mpumalanga, South Africahttps://www.rockptx.com/fkm-151-to-fkm-175/#FKM-154

All locality data graciously provided by mindat.org

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