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Goboboseb Mountains, Brandberg Area, Dâures Constituency, Erongo Region, Namibiai
| Regional Level Types | |
|---|---|
| Goboboseb Mountains | Mountain Area |
| Brandberg Area | Mountain Area |
| Dâures Constituency | Constituency |
| Erongo Region | Region |
| Namibia | Country |
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Type:
Age:
132.14 ± 0.40 to 131.90 ± 0.58 Ma
Geologic Time:
Dating method:
The most recent dates (40Ar-39Ar) for the Awahab quartz latite units are 132·14 ± 0·40 and 131·90 ± 0·58 Ma for the Gobobseb quartz latite Units I and II, and 132·03 ± 0·40 Ma for the Springbok quartz latite, the ages overlapping within experim
The Goboboseb mountains cover an area of approximately 1,100 km² and are assigned to the Awahab formation, which consists of interbedded basalts and quartz latites belonging to the 132–135 million-year-old Etendeka group. Strong evidence indicates that the volcanic rocks of the Goboboseb area were sourced from the Messum complex. The highest peak of the range is Tafelkop.
Important mineral collecting note: Although amethyst specimens have been found within the Brandberg complex (where digging is prohibited, as it is a protected World Heritage Site), the majority of the material circulating on the market actually originates from the Goboboseb mountains. However, dealers often label these specimens as "Brandberg", as the complex is a better-known and more widely recognized locality (see Cairncross, B. & Bahmann, U., 2006 for further details).
Important mineral collecting note: Although amethyst specimens have been found within the Brandberg complex (where digging is prohibited, as it is a protected World Heritage Site), the majority of the material circulating on the market actually originates from the Goboboseb mountains. However, dealers often label these specimens as "Brandberg", as the complex is a better-known and more widely recognized locality (see Cairncross, B. & Bahmann, U., 2006 for further details).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities26 valid minerals. 1 erroneous literature entry.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Copper | 1.AA.05 | Cu |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz var. Amethyst | 4.00.05 | SiO2 |
| ⓘ | var. Chalcedony | 4.00.05 | SiO2 |
| ⓘ | 4.00.05 | SiO2 | |
| ⓘ | var. Smoky Quartz | 4.00.05 | SiO2 |
| ⓘ | var. Rock Crystal | 4.00.05 | SiO2 |
| ⓘ | var. Sceptre Quartz | 4.00.05 | SiO2 |
| ⓘ | Cuprite | 4.AA.10 | Cu2O |
| ⓘ | Tenorite | 4.AB.10 | CuO |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | var. Titanium-bearing Magnetite | 4.BB.05 | Fe2+(Fe3+,Ti)2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Brookite | 4.DD.10 | TiO2 |
| ⓘ | Goethite | 4.FD.10 | Fe3+O(OH) |
| ⓘ | Lepidocrocite ? | 4.FE.15 | Fe3+O(OH) |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| Group 9 - Silicates | |||
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ | Pumpellyite-(Mg) | 9.BG.20 | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| ⓘ | Pigeonite | 9.DA.10 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Babingtonite | 9.DK.05 | Ca2Fe2+Fe3+Si5O14(OH) |
| ⓘ | Prehnite | 9.DP.20 | Ca2Al2Si3O10(OH)2 |
| ⓘ | Celadonite | 9.EC.15 | K(MgFe3+◻)(Si4O10)(OH)2 |
| ⓘ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| ⓘ | Anorthite | 9.FA.35 | Ca(Al2Si2O8) |
| ⓘ | var. Labradorite | 9.FA.35 | (Ca,Na)[Al(Al,Si)Si2O8] |
| ⓘ | Scolecite | 9.GA.05 | CaAl2Si3O10 · 3H2O |
| ⓘ | Analcime | 9.GB.05 | Na(AlSi2O6) · H2O |
| ⓘ | Laumontite | 9.GB.10 | CaAl2Si4O12 · 4H2O |
| Unclassified | |||
| ⓘ | 'Alkali Feldspar' | - | |
| ⓘ | 'Apophyllite Group' | - | AB4[Si8O20]X · 8H2O |
| ⓘ | 'Chabazite' | - | |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Heulandite Subgroup' | - | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| ⓘ | 'Hypersthene' | - | (Mg,Fe)SiO3 |
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Pumpellyite Subgroup' | - | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| ⓘ | 'Stilbite Subgroup' | - | M6-7[Al8-9Si27-28O72] · nH2O |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Manganese Oxides var. Manganese Dendrites' | - | |
| ⓘ | '' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3A |
| ⓘ | 'Fluor-hornblende' | - | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Analcime | Na(AlSi2O6) · H2O |
| H | ⓘ Apophyllite Group | AB4[Si8O20]X · 8H2O |
| H | ⓘ Babingtonite | Ca2Fe2+Fe3+Si5O14(OH) |
| H | ⓘ Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
| H | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| H | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| H | ⓘ Laumontite | CaAl2Si4O12 · 4H2O |
| H | ⓘ Lepidocrocite | Fe3+O(OH) |
| H | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| H | ⓘ Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| H | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| H | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| H | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Dolomite | CaMg(CO3)2 |
| C | ⓘ Siderite | FeCO3 |
| O | Oxygen | |
| O | ⓘ Quartz var. Amethyst | SiO2 |
| O | ⓘ Analcime | Na(AlSi2O6) · H2O |
| O | ⓘ Anorthite | Ca(Al2Si2O8) |
| O | ⓘ Apophyllite Group | AB4[Si8O20]X · 8H2O |
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Babingtonite | Ca2Fe2+Fe3+Si5O14(OH) |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Brookite | TiO2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | ⓘ Cuprite | Cu2O |
| O | ⓘ Dolomite | CaMg(CO3)2 |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| O | ⓘ Hypersthene | (Mg,Fe)SiO3 |
| O | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| O | ⓘ Laumontite | CaAl2Si4O12 · 4H2O |
| O | ⓘ Lepidocrocite | Fe3+O(OH) |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| O | ⓘ Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| O | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| O | ⓘ Siderite | FeCO3 |
| O | ⓘ Quartz var. Smoky Quartz | SiO2 |
| O | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| O | ⓘ Tenorite | CuO |
| O | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| O | ⓘ Quartz var. Rock Crystal | SiO2 |
| O | ⓘ Quartz var. Sceptre Quartz | SiO2 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Apatite | Ca5(PO4)3A |
| O | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| F | Fluorine | |
| F | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| Na | Sodium | |
| Na | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Na | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Na | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| Mg | Magnesium | |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
| Mg | ⓘ Dolomite | CaMg(CO3)2 |
| Mg | ⓘ Hypersthene | (Mg,Fe)SiO3 |
| Mg | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| Mg | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| Al | Aluminium | |
| Al | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Al | ⓘ Anorthite | Ca(Al2Si2O8) |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Al | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Al | ⓘ Laumontite | CaAl2Si4O12 · 4H2O |
| Al | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| Al | ⓘ Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| Al | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| Al | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| Al | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| Si | Silicon | |
| Si | ⓘ Quartz var. Amethyst | SiO2 |
| Si | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Si | ⓘ Anorthite | Ca(Al2Si2O8) |
| Si | ⓘ Apophyllite Group | AB4[Si8O20]X · 8H2O |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Babingtonite | Ca2Fe2+Fe3+Si5O14(OH) |
| Si | ⓘ Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Si | ⓘ Hypersthene | (Mg,Fe)SiO3 |
| Si | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Si | ⓘ Laumontite | CaAl2Si4O12 · 4H2O |
| Si | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| Si | ⓘ Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| Si | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| Si | ⓘ Quartz var. Smoky Quartz | SiO2 |
| Si | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| Si | ⓘ Quartz var. Rock Crystal | SiO2 |
| Si | ⓘ Quartz var. Sceptre Quartz | SiO2 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3A |
| S | Sulfur | |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| S | ⓘ Pyrite | FeS2 |
| K | Potassium | |
| K | ⓘ Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
| K | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| K | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| Ca | Calcium | |
| Ca | ⓘ Anorthite | Ca(Al2Si2O8) |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Babingtonite | Ca2Fe2+Fe3+Si5O14(OH) |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Dolomite | CaMg(CO3)2 |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
| Ca | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Ca | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Ca | ⓘ Laumontite | CaAl2Si4O12 · 4H2O |
| Ca | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| Ca | ⓘ Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| Ca | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| Ca | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3A |
| Ca | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| Ti | Titanium | |
| Ti | ⓘ Brookite | TiO2 |
| Ti | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| Fe | Iron | |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Babingtonite | Ca2Fe2+Fe3+Si5O14(OH) |
| Fe | ⓘ Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Hypersthene | (Mg,Fe)SiO3 |
| Fe | ⓘ Lepidocrocite | Fe3+O(OH) |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Siderite | FeCO3 |
| Fe | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| Fe | ⓘ Fluor-hornblende | (◻/Na,K)Ca2({Fe2+/Mg}4{Fe3+/Mg})(AlSi7O22)F2 |
| Cu | Copper | |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Cu | ⓘ Cuprite | Cu2O |
| Cu | ⓘ Native Copper | Cu |
| Cu | ⓘ Tenorite | CuO |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Localities in this Region
- Erongo Region
- Dâures Constituency
- Brandberg Area
- Goboboseb Mountains
- Brandberg Area
- Dâures Constituency
Other Regions, Features and Areas that Intersect
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References
Ewart, A., Milner, S. C., Armstrong, R. A., Dungan, A. R. (1998) Etendeka Volcanism of the Goboboseb Mountains and Messum Igneous Complex, Namibia. Part I: Geochemical Evidence of Early Cretaceous Tristan Plume Melts and the Role of Crustal Contamination in the Parana-Etendeka CFB. Journal of Petrology, 39 (2) 191-225 doi:10.1093/petroj/39.2.191
Ewart, A., Milner, S.C., Armstrong, R.A., Duncan, A.R. (1998) Etendeka Volcanism of the Goboboseb Mountains and Messum Igneous Complex, Namibia. Part II: Voluminous Quartz Latite Volcanism of the Awahab Magma System. Journal of Petrology, 39 (2) 227-253 doi:10.1093/petroj/39.2.227
Cook, Robert B. (1999) Connoisseur's Choice: Prehnite, Brandberg, Namibia. Rocks & Minerals, 74 (3). 178-180 doi:10.1080/00357529909602536
Goboboseb Mountains, Brandberg Area, Dâures Constituency, Erongo Region, Namibia