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Koniambo Massif, Northern Province, New Caledonia, Francei
Regional Level Types
Koniambo MassifMassif
Northern ProvinceProvince
New CaledoniaSpecial Collectivity
FranceCountry

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Type:
Massif
Mindat Locality ID:
422129
Long-form identifier:
mindat:1:2:422129:9
GUID (UUID V4):
d1c4c179-cc9f-4ab5-8099-082efa6587a7


The Koniambo Massif covers several communes on the western edge of the Northern Province.
The massif essentially consists of harzburgites with interlayers of dunites. In the higher part of the massif, peridotites are moderately serpentinised, contrary to the sole of the nappe, which is highly deformed and serpentinised. At the Koniambo site, numerous serpentine fractures and faults related to syn- to slightly post-obduction stages were reactivated during compressional and extensional phases. These same fractures play an essential role in the drainage of meteoric fluids responsible for the mineralisation of nickel or the current degradation of the old alteration profiles and the formation of the still-active pseudo-karst system.
Above ~400–600 m in the massif, the nappe is capped by a highly dissected and partly reworked lateritic profile. This is composed of two lateritic remnant surfaces (referred to as S1 and S2), similar to the Tiébaghi plateau further north.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

13 valid minerals.

Rock Types Recorded

Note: 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

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
ⓘ Baryte
Formula: BaSO4
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Goethite
Formula: α-Fe3+O(OH)
ⓘ 'Limonite'
ⓘ Lizardite
Formula: Mg3(Si2O5)(OH)4
ⓘ Magnesite
Formula: MgCO3
ⓘ Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
ⓘ 'Olivine Group'
Formula: M2SiO4
ⓘ 'Pimelite'
Formula: Ni3Si4O10(OH)2 · 4H2O
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘGoethite4.00.α-Fe3+O(OH)
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘMagnesite5.AB.05MgCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 9 - Silicates
ⓘAntigorite9.ED.15Mg3(Si2O5)(OH)4
ⓘChrysotile9..Mg3(Si2O5)(OH)4
ⓘDiopside9.DA.15CaMgSi2O6
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘLizardite9.ED.15Mg3(Si2O5)(OH)4
ⓘNontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
ⓘ'Pimelite'9.EC.22Ni3Si4O10(OH)2 · 4H2O
ⓘTalc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
ⓘ'Limonite'-
ⓘ'Olivine Group'-M2SiO4
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ LizarditeMg3(Si2O5)(OH)4
Hⓘ Goethiteα-Fe3+O(OH)
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ AntigoriteMg3(Si2O5)(OH)4
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Hⓘ PimeliteNi3Si4O10(OH)2 · 4H2O
Hⓘ TalcMg3Si4O10(OH)2
CCarbon
Cⓘ MagnesiteMgCO3
OOxygen
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ LizarditeMg3(Si2O5)(OH)4
Oⓘ Goethiteα-Fe3+O(OH)
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Olivine GroupM2SiO4
Oⓘ BaryteBaSO4
Oⓘ QuartzSiO2
Oⓘ AntigoriteMg3(Si2O5)(OH)4
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ MagnesiteMgCO3
Oⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Oⓘ PimeliteNi3Si4O10(OH)2 · 4H2O
Oⓘ TalcMg3Si4O10(OH)2
NaSodium
Naⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
MgMagnesium
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ LizarditeMg3(Si2O5)(OH)4
Mgⓘ AntigoriteMg3(Si2O5)(OH)4
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ MagnesiteMgCO3
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
SiSilicon
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ LizarditeMg3(Si2O5)(OH)4
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Olivine GroupM2SiO4
Siⓘ QuartzSiO2
Siⓘ AntigoriteMg3(Si2O5)(OH)4
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Siⓘ PimeliteNi3Si4O10(OH)2 · 4H2O
Siⓘ TalcMg3Si4O10(OH)2
SSulfur
Sⓘ BaryteBaSO4
Sⓘ PyriteFeS2
CaCalcium
Caⓘ DiopsideCaMgSi2O6
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ Goethiteα-Fe3+O(OH)
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ PyriteFeS2
Feⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
NiNickel
Niⓘ PimeliteNi3Si4O10(OH)2 · 4H2O
BaBarium
Baⓘ BaryteBaSO4

Fossils

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Localities in this Region

France

Other Regions, Features and Areas that Intersect

Australian 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

Benoˆıt Quesnel, Pierre Gautier, Michel Cathelineau, Philippe Boulvais, Cl´ement Couteau, et al.. (2016) The internal deformation of the Peridotite Nappe of New Caledonia: a structural study of serpentine bearing faults and shear zones in the Koniambo Massif. Journal of Structural Geology, Elsevier, 85, pp.51-67.
[1]Cathelineau, Michel, Boiron, Marie-Christine, Grimaud, Jean-Louis, Favier, Sylvain, Teitler, Yoram, Golfier, Fabrice (2023) Pseudo-Karst Silicification Related to Late Ni Reworking in New Caledonia. Minerals, 13 (4) 518 doi:10.3390/min13040518
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