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Anhydrite-bearing gneiss occurrences, RΓΆssing Mountains area, Arandis Constituency, Erongo Region, Namibiai
Regional Level Types
Anhydrite-bearing gneiss occurrencesOccurrence
RΓΆssing Mountains areaMassif
Arandis ConstituencyConstituency
Erongo RegionRegion
NamibiaCountry

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Latitude & Longitude (WGS84):
22° 31' 11'' South , 14° 45' 39'' East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~0km
GRN:
S16E10
Type:
Occurrence
KΓΆppen climate type:
BWk : Cold desert climate
Mindat Locality ID:
406640
Long-form identifier:
mindat:1:2:406640:1
GUID (UUID V4):
e24166c0-fb24-458c-86c0-bf06a6eb41f5


Anhydrite occurs as a primary rock-forming mineral in late-Precambrian gneisses (of the Khan Formation) from the RΓΆssing area. Located approximately 50 km ENE of Swakopmund.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


7 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ Anhydrite
Formula: CaSO4
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ 'Calcic garnet'
Formula: Ca3X3+2(SiO4)3
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ Calcite
Formula: CaCO3
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ 'Clinopyroxene Subgroup'
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ Gypsum
Formula: CaSO4 · 2H2O
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ Hematite
Formula: Fe2O3
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ 'Hornblende'
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ Microcline
Formula: K(AlSi3O8)
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ Quartz
Formula: SiO2
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.
β“˜ Titanite
Formula: CaTi(SiO4)O
Reference: Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contrib. Mineral. Petrol. 36: 27-32.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Anhydrite7.AD.30CaSO4
β“˜Gypsum7.CD.40CaSO4 Β· 2H2O
Group 9 - Silicates
β“˜Microcline9.FA.30K(AlSi3O8)
β“˜Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
β“˜'Calcic garnet'-Ca3X3+2(SiO4)3
β“˜'Clinopyroxene Subgroup'-
β“˜'Hornblende'-
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Hβ“˜ GypsumCaSO4 · 2H2O
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ AnhydriteCaSO4
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Oβ“˜ Calcic garnetCa3X23+(SiO4)3
Oβ“˜ CalciteCaCO3
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ QuartzSiO2
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ HematiteFe2O3
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Oβ“˜ GypsumCaSO4 · 2H2O
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
AlAluminium
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Alβ“˜ MicroclineK(AlSi3O8)
SiSilicon
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Siβ“˜ Calcic garnetCa3X23+(SiO4)3
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ QuartzSiO2
Siβ“˜ TitaniteCaTi(SiO4)O
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sβ“˜ AnhydriteCaSO4
Sβ“˜ GypsumCaSO4 · 2H2O
ClChlorine
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Kβ“˜ MicroclineK(AlSi3O8)
CaCalcium
Caβ“˜ AnhydriteCaSO4
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caβ“˜ Calcic garnetCa3X23+(SiO4)3
Caβ“˜ CalciteCaCO3
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Caβ“˜ GypsumCaSO4 · 2H2O
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Tiβ“˜ TitaniteCaTi(SiO4)O
FeIron
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Feβ“˜ HematiteFe2O3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Nash, C.R. (1972) Primary anhydrite in Precambrian gneisses from the Swakopmund District, South West Africa. Contributions to Mineralogy and Petrology: 36: 27-32.

Other Regions, Features and Areas containing this locality

African PlateTectonic Plate

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