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Walvis Ridge, Atlantic Oceani
Regional Level Types
Walvis RidgeRidge
Atlantic OceanOcean

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Key
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).

Regions containing this locality

Atlantic OceanOcean
African PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

8 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'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
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: 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.
'Fayalite-Forsterite Series'
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.
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.
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
'Orthopyroxene Subgroup'
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.
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
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
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.
Spinel
Formula: MgAl2O4
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.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Brucite4.FE.05Mg(OH)2
Iowaite4.FL.05Mg6Fe3+2(OH)16Cl2 · 4H2O
Jianshuiite4.FL.20(Mg,Mn,Ca)Mn3O7 · 3H2O
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Spinel4.BB.05MgAl2O4
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Orthopyroxene Subgroup'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
X(OH)2
Brucite6.2.1.1Mg(OH)2
Miscellaneous
Iowaite6.4.5.1Mg6Fe3+2(OH)16Cl2 · 4H2O
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
AB3X7
Jianshuiite7.8.2.3(Mg,Mn,Ca)Mn3O7 · 3H2O
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Orthopyroxene Subgroup'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H Jianshuiite(Mg,Mn,Ca)Mn3O7 · 3H2O
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H BruciteMg(OH)2
H IowaiteMg6Fe23+(OH)16Cl2 · 4H2O
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
OOxygen
O Jianshuiite(Mg,Mn,Ca)Mn3O7 · 3H2O
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O QuartzSiO2
O BaryteBaSO4
O ApatiteCa5(PO4)3(Cl/F/OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O SpinelMgAl2O4
O BruciteMg(OH)2
O IowaiteMg6Fe23+(OH)16Cl2 · 4H2O
O MagnetiteFe2+Fe23+O4
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mg Jianshuiite(Mg,Mn,Ca)Mn3O7 · 3H2O
Mg SpinelMgAl2O4
Mg BruciteMg(OH)2
Mg IowaiteMg6Fe23+(OH)16Cl2 · 4H2O
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SpinelMgAl2O4
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BaryteBaSO4
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl IowaiteMg6Fe23+(OH)16Cl2 · 4H2O
KPotassium
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
MnManganese
Mn Jianshuiite(Mg,Mn,Ca)Mn3O7 · 3H2O
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe IowaiteMg6Fe23+(OH)16Cl2 · 4H2O
Fe MagnetiteFe2+Fe23+O4
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
BaBarium
Ba BaryteBaSO4

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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