Walvis Ridge, Atlantic Oceani
| Regional Level Types | |
|---|---|
| Walvis Ridge | Ridge |
| Atlantic Ocean | Ocean |
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Latitude & Longitude (WGS84):
27° 13' South , 1° 33' East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~0km
Locality type:
Aseismic ocean ridge in the southern Atlantic Ocean. More than 3,000 km (1,900 mi) in length, it extends from the Mid-Atlantic Ridge, near Tristan da Cunha and the Gough Islands, to the African coast (at 18°S).
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Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities10 valid minerals.
Rock Types Recorded
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Rock list contains entries from the region specified including sub-localities
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Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) Reference: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ Albite var. Anorthoclase Formula: (Na,K)AlSi3O8 Reference: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ 'Alkali Feldspar' Reference: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) Reference: Post, J.E., Thomas, E., Heaney, P.J. (2016): Jianshuiite in oceanic manganese nodules at the Paleocene-Eocene Boundary. American Mineralogist, 101, 407-414 |
| ⓘ Baryte Formula: BaSO4 Reference: Post, J.E., Thomas, E., Heaney, P.J. (2016): Jianshuiite in oceanic manganese nodules at the Paleocene-Eocene Boundary. American Mineralogist, 101, 407-414 |
| ⓘ '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: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ Brucite Formula: Mg(OH)2 Reference: Moll, M., Paulick, H., Suhr, G., & Bach, W. (2007). Data report: microprobe analyses of primary phases (olivine, pyroxene, and spinel) and alteration products (serpentine, iowaite, talc, magnetite, and sulfides) in Holes 1268A, 1272A, and 1274A. In Proceedings of the Ocean Drilling Program, Scientific Results (Vol. 209, pp. 1-13). College Station, TX: Ocean Drilling Program. |
| ⓘ 'Clinopyroxene Subgroup' Reference: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ 'Fayalite-Forsterite Series' Reference: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ Iowaite Formula: Mg6Fe3+2(OH)16Cl2 · 4H2O Reference: Moll, M., Paulick, H., Suhr, G., & Bach, W. (2007). Data report: microprobe analyses of primary phases (olivine, pyroxene, and spinel) and alteration products (serpentine, iowaite, talc, magnetite, and sulfides) in Holes 1268A, 1272A, and 1274A. In Proceedings of the Ocean Drilling Program, Scientific Results (Vol. 209, pp. 1-13). College Station, TX: Ocean Drilling Program. |
| ⓘ Jianshuiite Formula: (Mg,Mn,Ca)Mn3O7 · 3H2O Reference: Post, J.E., Thomas, E., Heaney, P.J. (2016): Jianshuiite in oceanic manganese nodules at the Paleocene-Eocene Boundary. American Mineralogist, 101, 407-414. |
| ⓘ Magnesio-riebeckite Formula: ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2 Reference: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 Reference: Moll, M., Paulick, H., Suhr, G., & Bach, W. (2007). Data report: microprobe analyses of primary phases (olivine, pyroxene, and spinel) and alteration products (serpentine, iowaite, talc, magnetite, and sulfides) in Holes 1268A, 1272A, and 1274A. In Proceedings of the Ocean Drilling Program, Scientific Results (Vol. 209, pp. 1-13). College Station, TX: Ocean Drilling Program. |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Reference: Post, J.E., Thomas, E., Heaney, P.J. (2016): Jianshuiite in oceanic manganese nodules at the Paleocene-Eocene Boundary. American Mineralogist, 101, 407-414 |
| ⓘ Muscovite var. Illite Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2 Reference: Post, J.E., Thomas, E., Heaney, P.J. (2016): Jianshuiite in oceanic manganese nodules at the Paleocene-Eocene Boundary. American Mineralogist, 101, 407-414 |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 Reference: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ Quartz Formula: SiO2 Reference: Post, J.E., Thomas, E., Heaney, P.J. (2016): Jianshuiite in oceanic manganese nodules at the Paleocene-Eocene Boundary. American Mineralogist, 101, 407-414 |
| ⓘ Sanidine Formula: K(AlSi3O8) Reference: Carman, M.F., Dietrich, V.J & Sommerauer, J. 1984. Petrography and mineral chemistry of basalts from holes 519A, 520, 522B and 524 - Leg 73 (South Atlantic) of the Deep Sea Drilling Project. Initial Reports, Deep Sea Drilling Project, 73. US Government Printing Office, Washington, DC, 545-570.
Dietrich, V. J., Carman, M. F., Wyttenbach, A., & McKee, E. H. (1984). Geochemistry of basalts from Holes 519A, 520, 522B, and 524, Deep Sea Drilling Project Leg 73 (South Atlantic). Hsu «, KJ, LaBrecque, JL et al.(Eds.), Init. Rep. DSDP, 73, 579-601. |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 Reference: Moll, M., Paulick, H., Suhr, G., & Bach, W. (2007). Data report: microprobe analyses of primary phases (olivine, pyroxene, and spinel) and alteration products (serpentine, iowaite, talc, magnetite, and sulfides) in Holes 1268A, 1272A, and 1274A. In Proceedings of the Ocean Drilling Program, Scientific Results (Vol. 209, pp. 1-13). College Station, TX: Ocean Drilling Program. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Brucite | 4.FE.05 | Mg(OH)2 |
| ⓘ | Iowaite | 4.FL.05 | Mg6Fe3+2(OH)16Cl2 · 4H2O |
| ⓘ | Jianshuiite | 4.FL.20 | (Mg,Mn,Ca)Mn3O7 · 3H2O |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| Group 9 - Silicates | |||
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Anorthoclase | 9.FA.35 | (Na,K)AlSi3O8 |
| ⓘ | Magnesio-riebeckite | 9.DE.25 | ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Illite | 9.EC.15 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| ⓘ | Sanidine | 9.FA.30 | K(AlSi3O8) |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Alkali Feldspar' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| ⓘ | 'Clinopyroxene Subgroup' | - | |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Jianshuiite | (Mg,Mn,Ca)Mn3O7 · 3H2O |
| H | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Brucite | Mg(OH)2 |
| H | ⓘ Iowaite | Mg6Fe23+(OH)16Cl2 · 4H2O |
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| H | ⓘ Magnesio-riebeckite | ◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2 |
| O | Oxygen | |
| O | ⓘ Jianshuiite | (Mg,Mn,Ca)Mn3O7 · 3H2O |
| O | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Brucite | Mg(OH)2 |
| O | ⓘ Iowaite | Mg6Fe23+(OH)16Cl2 · 4H2O |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| O | ⓘ Sanidine | K(AlSi3O8) |
| O | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| O | ⓘ Magnesio-riebeckite | ◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2 |
| O | ⓘ Albite | Na(AlSi3O8) |
| F | Fluorine | |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| Na | ⓘ Magnesio-riebeckite | ◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2 |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Mg | Magnesium | |
| Mg | ⓘ Jianshuiite | (Mg,Mn,Ca)Mn3O7 · 3H2O |
| Mg | ⓘ Brucite | Mg(OH)2 |
| Mg | ⓘ Iowaite | Mg6Fe23+(OH)16Cl2 · 4H2O |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Mg | ⓘ Magnesio-riebeckite | ◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Al | ⓘ Sanidine | K(AlSi3O8) |
| Al | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Si | Silicon | |
| Si | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Si | ⓘ Sanidine | K(AlSi3O8) |
| Si | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| Si | ⓘ Magnesio-riebeckite | ◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2 |
| Si | ⓘ Albite | Na(AlSi3O8) |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Baryte | BaSO4 |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | ⓘ Iowaite | Mg6Fe23+(OH)16Cl2 · 4H2O |
| K | Potassium | |
| K | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| K | ⓘ Sanidine | K(AlSi3O8) |
| K | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| Ca | Calcium | |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Mn | Manganese | |
| Mn | ⓘ Jianshuiite | (Mg,Mn,Ca)Mn3O7 · 3H2O |
| Fe | Iron | |
| Fe | ⓘ Iowaite | Mg6Fe23+(OH)16Cl2 · 4H2O |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Fe | ⓘ Magnesio-riebeckite | ◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2 |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
References
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Year (asc) Year (desc) Author (A-Z) Author (Z-A)O'Connor, J.M. & Jokat, W. (2015): Age distribution of Ocean Drill sites across the Central Walvis Ridge indicates plate boundary control of plume volcanism in the South Atlantic. Earth and Planetary Science Letters 424, 179-190.
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Localities in this Region
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