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Xiaohaizi Feā€“Tiā€“V oxide deposit, Xiaohaizi Ultramaficā€“Mafic Intrusion, Bachu Co. (Maralbexi Co.; Maralbeshi Co.), Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture), Xinjiang, Chinai
Regional Level Types
Xiaohaizi Feā€“Tiā€“V oxide depositDeposit
Xiaohaizi Ultramaficā€“Mafic IntrusionMine
Bachu Co. (Maralbexi Co.; Maralbeshi Co.)County
Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture)Prefecture
XinjiangAutonomous Region
ChinaCountry

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Latitude & Longitude (WGS84):
39° 46' 57'' North , 78° 48' 11'' East
Latitude & Longitude (decimal):
39.78255,78.80322
GRN:
N27E44
Type:
Deposit
Kƶppen climate type:
BWk : Cold desert climate
Mindat Locality ID:
466484
Long-form identifier:
mindat:1:2:466484:3
GUID (UUID V4):
0


A large, low-grade magmatic Feā€“Tiā€“V oxide deposit is hosted within the pluton. Identified Feā€“Ti oxide resources approximate 300 Mt, with potential resources estimated up to 2 Gt. Mineralized zones correspond to surface negative magnetic anomalies.
The Xiaohaizi Feā€“Tiā€“V oxide deposit is characterized by disseminated mineralization and gradational lithological transitions, with no evidence of rhythmic layering. These features indicate formation within a relatively isolated crystal-mush system dominated by fractional crystallization. The parental Feā€“Tiā€“rich magma, derived from a mantle plume source metasomatized by ancient subduction-related fluids, was inherently oxidized and hydrous, providing the fundamental prerequisites for ore formation. Petrographic features, including reverse zoning in plagioclase and localized vermicular symplectites, suggest grain-scale liquid immiscibility during the late stages of fractional crystallization. Accordingly, the metallogenic model for the Xiaohaizi Feā€“Tiā€“V oxide deposit can be summarized as follows: a high-ʒO2, hydrous parental magma evolved within a dynamic crystal-mush conduit system, where continuous fractional crystallizationā€”particularly the ā€œself-oxidationā€ process during Stage IIIā€”progressively enriched Fe and Ti and ultimately led to Feā€“Ti oxide precipitation from the residual melt. Amphibole, as a key magmatic witness, systematically records this complex and dynamic evolutionary process.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


6 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Detailed Mineral List:

ā“˜ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ā“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ā“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ā“˜ Bornite
Formula: Cu5FeS4
ā“˜ Chalcopyrite
Formula: CuFeS2
ā“˜ 'Clinopyroxene Subgroup'
ā“˜ Ilmenite
Formula: Fe2+TiO3
ā“˜ Magnetite
Formula: Fe2+Fe3+2O4
ā“˜ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ā“˜ 'Olivine Group'
Formula: M2SiO4
ā“˜ Pentlandite
Formula: (NixFey)Ī£9S8
ā“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ā“˜ Pyrrhotite
Formula: Fe1-xS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ā“˜Bornite2.BA.15Cu5FeS4
ā“˜Pentlandite2.BB.15(NixFey)Ī£9S8
ā“˜Chalcopyrite2.CB.10aCuFeS2
ā“˜Pyrrhotite2.CC.10Fe1-xS
Group 4 - Oxides and Hydroxides
ā“˜Magnetite4.BB.05Fe2+Fe3+2O4
ā“˜var. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
ā“˜Ilmenite4.CB.05Fe2+TiO3
Unclassified
ā“˜'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ā“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ā“˜'Clinopyroxene Subgroup'-
ā“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ā“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)
ā“˜'Olivine Group'-M2SiO4

List of minerals for each chemical element

HHydrogen
Hā“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hā“˜ ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
Oā“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oā“˜ IlmeniteFe2+TiO3
Oā“˜ MagnetiteFe2+Fe23+O4
Oā“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oā“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oā“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Oā“˜ Olivine GroupM2SiO4
FFluorine
Fā“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fā“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naā“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alā“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alā“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siā“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siā“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siā“˜ Olivine GroupM2SiO4
PPhosphorus
Pā“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sā“˜ BorniteCu5FeS4
Sā“˜ ChalcopyriteCuFeS2
Sā“˜ Pentlandite(NixFey)Ī£9S8
Sā“˜ PyrrhotiteFe1-xS
ClChlorine
Clā“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clā“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caā“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caā“˜ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiā“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiā“˜ IlmeniteFe2+TiO3
Tiā“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
FeIron
Feā“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feā“˜ BorniteCu5FeS4
Feā“˜ ChalcopyriteCuFeS2
Feā“˜ IlmeniteFe2+TiO3
Feā“˜ MagnetiteFe2+Fe23+O4
Feā“˜ Pentlandite(NixFey)Ī£9S8
Feā“˜ PyrrhotiteFe1-xS
Feā“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
NiNickel
Niā“˜ Pentlandite(NixFey)Ī£9S8
CuCopper
Cuā“˜ BorniteCu5FeS4
Cuā“˜ ChalcopyriteCuFeS2

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian PlateTectonic Plate
TurkestanArea

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]Liu, Donghui; Duan, Shigang; Chen, Maohong; Wang, Weicheng; Yin, Jinmao; Maimaiti, Maihemuti (2025) Amphibole-Based Constraints on Magmatic Evolution and Feā€“Ti Oxide Enrichment in the Xiaohaizi Ultramaficā€“Mafic Intrusion, Bachu, Xinjiang, China. Minerals, 15 (12). doi:10.3390/min15121275
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