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Southeast sub-basin, South China Seai
Regional Level Types
Southeast sub-basinBasin
South China SeaSea

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Latitude & Longitude (WGS84):
16° 7' 14'' North , 116° 44' 20'' East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~0km
GRN:
N11E79
Type:
Basin
Mindat Locality ID:
467695
Long-form identifier:
mindat:1:2:467695:2
GUID (UUID V4):
0


A typical feature of the seabed of the East sub-basin is the NE-SW−trending undersea mountain range with conspicuous volcanic seamount morphological characteristics. This intermittent seamount chain includes a few tens of identified submarine volcanoes, stretching over 400 km in the north to the eastern end of the Zhenbei-Huangyan seamount chain in the south. The volcanic chain that crosses the East subbasin includes the Guanshi, Shixing, Xianbei, Zhangzhong, Xiannan and Zhangzhongjing seamounts with heights ranging between 200 and 3400 m above the seafloor and a NE-SW dominant elongation direction.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

4 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Anorthite
Formula: Ca(Al2Si2O8)
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chrome-Spinel (of Dana)'
ⓘ 'Clay minerals'
ⓘ 'Clinopyroxene Subgroup'
ⓘ 'Feldspar Group'
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'Microlite Group'
Formula: A2-mTa2X6-wZ1-n
ⓘ 'Myrmekite'
ⓘ 'Olivine Group'
Formula: M2SiO4
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ1-n
ⓘIlmenite4.CB.05Fe2+TiO3
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
Unclassified
ⓘ'Clay minerals'-
ⓘ'Feldspar Group'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Chrome-Spinel (of Dana)'-
ⓘ'Olivine Group'-M2SiO4
ⓘ'Myrmekite'-

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ CalciteCaCO3
Oⓘ IlmeniteFe2+TiO3
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Olivine GroupM2SiO4
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Olivine GroupM2SiO4
CaCalcium
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ IlmeniteFe2+TiO3
TaTantalum
Taⓘ Microlite GroupA2-mTa2X6-wZ1-n

Localities in this Region

South China Sea

Other Regions, Features and Areas containing this locality

Eurasian Plate
Sunda 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

[1]Lu, Rong; Zheng, Hao; Yang, Lei; Xie, Anyuan; He, Xi; Peng, Cong; Li, Zhengyuan; He, Huizhong (2025) Basalts from Zhangzhongjing Seamount, South China Sea and Their Linkage to a Plume-Modified Mantle Reservoir. Minerals, 15 (12). doi:10.3390/min15121292
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