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:
Karasburg West, Karas Region, Namibia

Oldest recorded age at locality: 1800
Youngest recorded age at locality: 488

mindat Locality ID: 235624
mindat URL: http://www.mindat.org/loc-235624.html

Tectonic Settings:

Total number of sublocalities beneath "Karasburg West, Karas Region, Namibia": 19
Total number of bottom-level sublocalities: 14

Number of Child Localities: 14
Child Localities:
Aussenkjer Farm 147
Gaidip Farm 146
Harib Farm 142
Houms Rivier Farm 133
Kanabeam Farm 331
Kinderzitt Farm 132
Kromrivier Farm
Marinkas Quellen (Marinkas Kwela)
Ramansdrift Farm 135
Rosyntjiebos Farm 375
Sandfontein Farm 131
Sperlingputz Farm
Tsams Farm 685
Ysterputs Farm 254

Latitude: 28°32'2"S
Longitude: 18°3'12"E
Decimal Degree (lat, lon): -28.533888888889,18.053333333333

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Allophane	Alunite	Amorphous	Amphibole	Aragonite	Arsenopyrite	Baryte	Brochantite	Calcite	Chalcopyrite
Clay	Clinozoisite	Copper	Corundum	Covellite	Diaspore	Digenite	Epidote	Feldspar	Fluorite
Gypsum	Lepidocrocite	Malachite	Mica	Molybdenite	Monazite	Nickeline	None	Not in a structural group	Pyrite
Pyroxene	Quartz	Rocksalt	Rutile	Smectite-vermiculite	Sphalerite	Spinel	Sulphur	Tetrahedrite

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: Ag Al As Au Ba C Ca Ce Cu F Fe H K Mg Mn Mo Na O P Pb S Si Ti Y Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Alunite Amorphous Amphibole Aragonite Arsenopyrite Baryte Brochantite Calcite Chalcopyrite
Clay Clinozoisite Copper Corundum Covellite Diaspore Digenite Epidote Feldspar Fluorite
Gypsum Lepidocrocite Malachite Mica Molybdenite Monazite Nickeline None Not in a structural group Pyrite
Pyroxene Quartz Rocksalt Rutile Smectite-vermiculite Sphalerite Spinel Sulphur Tetrahedrite

54 IMA Minerals at location:

Actinolite ()*	Aegirine-augite ()*	Albite ()*	Anatase ()*	Anglesite ()*
Anhydrite ()*	Ankerite ()*	Arfvedsonite ()*	Arsenopyrite ()*	Azurite ()*
Baryte ()*	Bornite ()*	Brochantite ()*	Calcite ()*	Cerussite ()*
Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*	Copper ()*	Corundum ()*
Covellite ()*	Cuprite ()*	Delafossite ()*	Digenite ()*	Epidote ()*
Fluorite ()*	Galena ()*	Goethite ()*	Gold ()*	Gypsum ()*
Hematite ()*	Hemimorphite ()*	Jarosite ()*	Lepidocrocite ()*	Magnetite ()*
Malachite ()*	Microcline ()*	Molybdenite ()*	Monazite-(Ce) ()*	Muscovite ()*
Nontronite ()*	Opal ()*	Orthoclase ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Rhodochrosite ()*	Rutile ()*	Siderite ()*	Silver ()*
Sphalerite ()*	Sulphur ()*	Synchysite-(Y) ()*	Tennantite-(Fe) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			1	86721	3419
Aegirine-augite ()*	Pyroxene	(Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆	541	488	1	86723	286
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	86716	8803
Anatase ()*	Not in a structural group	TiO₂			1	86716	2162
Anglesite ()*	Baryte	Pb(SO₄)			1	86720	2734
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1800	1800	1	86730	1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	86720	3092
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	541	488	1	86723	295
Arsenopyrite ()*	Arsenopyrite	FeAsS	1800	1800	1	86730	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1800	1800	1	86730	5509
Baryte ()*	Baryte	Ba(SO₄)			1	86716	11547
Bornite ()*	None	Cu₅FeS₄	1800	1800	1	86730	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	1800	1800	1	86730	1633
Calcite ()*	Calcite	Ca(CO₃)			4	86716,86720,86725,86732	27770
Cerussite ()*	Aragonite	Pb(CO₃)			1	86720	4979
Chalcocite ()*	None	Cu₂S	1800	1800	1	86730	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1800	1800	1	86730	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1800	1800	4	86720,86722,86728,86730	3531
Copper ()*	Copper	Cu	1800	1800	1	86730	3846
Corundum ()*	Corundum	Al₂O₃			1	86717	1797
Covellite ()*	Covellite	CuS	1800	1800	1	86730	4165
Cuprite ()*	Not in a structural group	Cu₂O	1800	1800	3	86722,86728,86730	2970
Delafossite ()*	None	Cu¹⁺Fe³⁺O₂	1800	1800	1	86730	144
Digenite ()*	Digenite	Cu_1.8S	1800	1800	1	86730	1027
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1800	1800	5	86716,86718,86720,86721,86730	8173
Fluorite ()*	Fluorite	CaF₂	541	488	7	86715,86716,86718,86723,86724,86725,86731	9617
Galena ()*	Rocksalt	PbS	1800	1800	2	86720,86730	24243
Goethite ()*	Diaspore	FeO(OH)	1800	1800	3	86716,86720,86730	7437
Gold ()*	Copper	Au	1800	1800	1	86730	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			3	86720,86731,86732	6890
Hematite ()*	Corundum	Fe₂O₃	1800	1800	4	86716,86718,86724,86730	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O			1	86720	1689
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	1800	1800	1	86730	2228
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)			1	86716	581
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1800	1800	3	86716,86718,86730	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1800	1800	3	86716,86720,86730	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	86716	4924
Molybdenite ()*	Molybdenite	MoS₂	1800	1800	1	86730	5800
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	541	488	1	86723	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1800	1800	3	86716,86718,86730	17380
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O			1	86732	471
Opal ()*	Amorphous	SiO₂·nH₂O			1	86716	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			1	86716	2349
Pyrite ()*	Pyrite	FeS₂	1800	1800	4	86715,86716,86720,86730	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1800	1800	1	86730	9056
Quartz ()*	Quartz	SiO₂			8	86715,86716,86718,86720,86724,86725,86731,86732	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)			1	86720	1711
Rutile ()*	Rutile	TiO₂	1800	1800	1	86730	5614
Siderite ()*	Calcite	Fe(CO₃)			2	86720,86732	6417
Silver ()*	Copper	Ag	1800	1800	1	86730	5186
Sphalerite ()*	Sphalerite	ZnS	1800	1800	1	86730	21482
Sulphur ()*	Sulphur	S			1	86720	2045
Synchysite-(Y) ()*	None	CaY(CO₃)₂F	541	488	1	86723	55
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	1800	1800	1	86730	1803

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000889	MAGMATIC STYLE: 1.5x1 km intrusive complex north of Marinkas Kwela complex with carbonatite dykes, one of which is about 2 km long. ASSOCIATED SILICATE ROCKS: Calcite-bearing nepheline syenite.

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000889	540	488	514±26	Rb-Sr	whole rock			158051	Marinkas Quellen (Marinkas Kwela), Karasburg West, Karas Region, Namibia	Grootpenseiland	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
ree-00480	541	495	Cambrian					158051	Marinkas Quellen (Marinkas Kwela), Karasburg West, Karas Region, Namibia	Marinkas Quellen (Marinkas Kwela)	Orris and Grauch (2002)		USGSOFR02_189
PorphCu-00439	1800	1800	~1800			Anhydrite, Bornite, Chalcocite, Chalcopyrite, Covellite, Digenite, Epidote, Goethite, Hematite, Jarosite, Magnetite, Molybdenite, Pyrite, Rutile	Cu	206333	Haib River Cu Deposit, Tsams Farm 685, Karasburg West, Karas Region, Namibia	Haib	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...