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Blue Hills Intrusive Complex, Brukkaros Complex, Berseba Townlands Farm 426, Berseba Constituency, ǁKaras Region, Namibiai
Regional Level Types
Blue Hills Intrusive ComplexIntrusion
Brukkaros ComplexComplex
Berseba Townlands Farm 426Farm
Berseba ConstituencyConstituency
ǁKaras RegionRegion
NamibiaCountry

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Latitude & Longitude (WGS84):
25° 56' 2'' South , 17° 47' 39'' East
Latitude & Longitude (decimal):
-25.93408,17.79442
GRN:
S18E12
Type:
Intrusion
Köppen climate type:
BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
Tses2,000 (2013)21.3km
Mindat Locality ID:
426665
Long-form identifier:
mindat:1:2:426665:8
GUID (UUID V4):
0


A laccolithic body 800 M diameter.

It intruded into sediments of the Nama Basin and is hosted by flat-lying Rosenhof Member shales with interbedded quartzite layers of the Haribes Member (Fish River Subgroup, Nama Group). The Blue Hill is a laccolith-type intrusion, several hundred meters long, up to 45 m high and widely covered by calcrete and baked shales.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


21 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Baryte
Formula: BaSO4
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chlorite Group'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Fayalite
Formula: Fe2+2(SiO4)
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ 'Hydrogarnet'
ⓘ Kinoshitalite
Formula: (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
ⓘ Lemoynite
Formula: (Na,K)2CaZr2Si10O26 · 5H2O
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ 'Mica Group'
ⓘ Monticellite
Formula: CaMg(SiO4)
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
ⓘ 'Olivine Group'
Formula: M2SiO4
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Pectolite
Formula: NaCa2Si3O8(OH)
ⓘ Perovskite
Formula: CaTiO3
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ 'Phyllosilicate'
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Spinel
Formula: MgAl2O4
ⓘ Strontianite
Formula: SrCO3
ⓘ Titanite
Formula: CaTi(SiO4)O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘPerovskite4.CC.30CaTiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘStrontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 9 - Silicates
ⓘFayalite9.AC.05Fe2+2(SiO4)
ⓘMonticellite9.AC.10CaMg(SiO4)
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘPectolite9.DG.05NaCa2Si3O8(OH)
ⓘLemoynite9.DP.35(Na,K)2CaZr2Si10O26 · 5H2O
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘKinoshitalite9.EC.35(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Mica Group'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Olivine Group'-M2SiO4
ⓘ'Hydrogarnet'-
ⓘ'Phyllosilicate'-

List of minerals for each chemical element

HHydrogen
Hⓘ Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Hⓘ Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
Hⓘ PectoliteNaCa2Si3O8(OH)
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ StrontianiteSrCO3
OOxygen
Oⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ FayaliteFe22+(SiO4)
Oⓘ Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Oⓘ Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MonticelliteCaMg(SiO4)
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ PectoliteNaCa2Si3O8(OH)
Oⓘ PerovskiteCaTiO3
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ SpinelMgAl2O4
Oⓘ StrontianiteSrCO3
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Olivine GroupM2SiO4
FFluorine
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ PectoliteNaCa2Si3O8(OH)
MgMagnesium
Mgⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgⓘ Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Mgⓘ MonticelliteCaMg(SiO4)
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ SpinelMgAl2O4
AlAluminium
Alⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ FayaliteFe22+(SiO4)
Siⓘ Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Siⓘ Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
Siⓘ MonticelliteCaMg(SiO4)
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ PectoliteNaCa2Si3O8(OH)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Olivine GroupM2SiO4
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Kⓘ Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caⓘ CalciteCaCO3
Caⓘ Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
Caⓘ MonticelliteCaMg(SiO4)
Caⓘ PectoliteNaCa2Si3O8(OH)
Caⓘ PerovskiteCaTiO3
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ PerovskiteCaTiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
MnManganese
Mnⓘ Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
FeIron
Feⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feⓘ BorniteCu5FeS4
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ FayaliteFe22+(SiO4)
Feⓘ MagnetiteFe2+Fe23+O4
CuCopper
Cuⓘ BorniteCu5FeS4
SrStrontium
Srⓘ StrontianiteSrCO3
ZrZirconium
Zrⓘ Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
BaBarium
Baⓘ BaryteBaSO4
Baⓘ Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Kurszlaukis, S., & Franz, L. (1997). Phase petrology, geochemistry and evolution of the ultrabasic-carbonatitic Blue Hills Complex (southern Namibia). GEOLOGIYA I GEOFIZIKA, 38(1), 50-68.
Lorenz, V., Stachel, T., Kurszlaukis, S., Stanistreet, I.G. (2000) Volcanology of the Gross Brukkaros field, southern Namibia. Communications of the Geological Survey of Namibia 12, 395-401.
[1]Reinhard, Felix; Walter, Benjamin F.; Giebel, R. Johannes; Zeh, Armin; Marks, Michael A.W.; Markl, Gregor (2025) Carbonatitic metasomatism in ultramafic rocks at the Blue Hill, Namibia. Lithos, 518. doi:10.1016/j.lithos.2025.108317
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