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:
Prieska, Pixley Ka Seme District, Northern Cape, South Africa

Oldest recorded age at locality: 1930
Youngest recorded age at locality: 1930

mindat Locality ID: 57306
mindat URL: http://www.mindat.org/loc-57306.html

Tectonic Settings:

Total number of sublocalities beneath "Prieska, Pixley Ka Seme District, Northern Cape, South Africa": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Keikamspoort Carbonatite
Koegas Mine
Marydale

Latitude: 29°42'"S
Longitude: 22°48'0"E
Decimal Degree (lat, lon): -29.7,22.8

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 Ca Fe H K Mg N Na O Si 

Elements from minerals reported directly at this locality: Fe H K N Na O Si 

Structural Groups for minerals in this locality: 
AmphiboleNoneNot in a structural groupQuartz

5 IMA Minerals at location:
Ferro-actinolite  (*)Niter  (*)Quartz  (*)Riebeckite  (*)Sillimanite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ferro-actinolite  (*)Amphibole   Ca2(Mg2.5-0.0Fe2+2.5-5.0)Si8O22(OH)21107191129
Niter  (*)NoneK(NO3)193019300181
Quartz  (*)QuartzSiO219301930061156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2193019300375
Sillimanite  (*)Not in a structural groupAl2SiO511071921516



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0001069MAGMATIC STYLE: Composite dyke forming ridge 2 km long and 300 m wide, but no contacts exposed. ASSOCIATED SILICATE ROCKS: Fenite.


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
Jen_0001069193019301930Sm-Nd       57411Keikamspoort Carbonatite, Prieska, Pixley Ka Seme District, Northern Cape, South AfricaKeikamspoortWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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