Epithermal-mesothermal super-fine grained Carlin-like gold deposit. Orogenic Reserves: 2.2 t Au

The Dixu pyroclastic-hosted gold deposit is a recently identified Carlin-type gold deposit located in the central-southern Youjiang Basin. The deposit is predominantly hosted within Permian pyroclastic rock, with orebodies extending up to approximately 800 m in strike length and ranging in thickness from 0.67 to 35.1 m, exhibiting an average Au grade of 1.7 g/t Au and containing 10.6 t of Au reserves. More than ten gold-bearing zones have been delineated within the deposit and are subdivided into four distinct segments: Hongbin, Bagan, Boyalie, and Dixu.
Three distinct paragenetic sequences have been identified based on characteristic mineral assemblages and cross-cutting vein relationships. These sequences are as follows: (1) an early ore-forming stage dominated by quartz and pyrite; (2) a main ore-forming stage marked by the presence of quartz, arsenopyrite, pyrite, and hydrothermal rutile; and (3) a late-ore stage consisting of quartz, calcite, pyrite, and stibnite.

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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.

ⓘ Gold

Mineral List

12 valid minerals.

Rock Types Recorded

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅(T₈O₂₂)W₂

References:

Li, Gezi; Xie, Zhuojun; Xia, Yong; Wei, Dongtian; Tan, Qinping; Liu, Jianzhong; Xiao, Jingdan; Wang, Zepeng (2025) Two episodes of Au mineralization in the Tangshang Carlin-type gold deposits, SW China: New constraints from integrated in situ monazite and xenotime U–Pb and sericite Rb–Sr geochronology. Ore Geology Reviews, 187. 106985 doi:10.1016/j.oregeorev.2025.106985

Miao, Yu; Zhou, Ye; Li, Wen-Chang; Zheng, Yuan-Chuan; Xu, Bo; Zhang, Yan-Qiang (2025) Geochronological constraints and fluid source tracing for the Dixu pyroclastic-hosted gold deposit: An implication for Carlin-type gold metallogeny in the Youjiang Basin, SW China. Ore Geology Reviews, 187. 106987 doi:10.1016/j.oregeorev.2025.106987

ⓘ Ankerite

Formula: Ca(Fe²⁺,Mg)(CO₃)₂

References:

Yang, Fucheng; Romer, Rolf L.; Li, Wenchang; Jiang, Xiaojun; Kroner, Uwe; Deng, Mingguo (2026) Former long-lived passive margins – Cradles for major Sn, W, and Au provinces. Ore Geology Reviews, 193. p.107316. doi:10.1016/j.oregeorev.2026.107316

ⓘ Arsenopyrite

Formula: FeAsS

References:

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

References:

ⓘ Calcite

Formula: CaCO₃

References:

ⓘ 'Chlorite Group'

References:

ⓘ 'Feldspar Group'

References:

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

ⓘ Native Gold

Formula: Au

References:

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

ⓘ Pyrite

Formula: FeS₂

References:

ⓘ Pyrite var. Arsenic-bearing Pyrite

Formula: Fe(S,As)₂

References:

ⓘ Pyrite var. Gold-bearing Pyrite

Formula: FeS₂

References:

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

References:

ⓘ Quartz

Formula: SiO₂

References:

ⓘ Rutile

Formula: TiO₂

References:

ⓘ Stibnite

Formula: Sb₂S₃

References:

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

References:

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Stibnite	2.DB.05	Sb₂S₃
ⓘ	Pyrite var. Gold-bearing Pyrite	2.EB.05a	FeS₂
ⓘ		2.EB.05a	FeS₂
ⓘ	var. Arsenic-bearing Pyrite	2.EB.05a	Fe(S,As)₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
Group 4 - Oxides and Hydroxides
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅(T₈O₂₂)W₂
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Pyroxene Group'	-	ADSi₂O₆

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Amphibole Supergroup	AB₂C₅(T₈O₂₂)W₂
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Pyroxene Group	ADSi₂O₆
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	Aluminium
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Pyroxene Group	ADSi₂O₆
S	Sulfur
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Pyrite var. Gold-bearing Pyrite	FeS₂
S	ⓘ Pyrite	FeS₂
S	ⓘ Stibnite	Sb₂S₃
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
S	ⓘ Pyrite var. Arsenic-bearing Pyrite	Fe(S,As)₂
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Titanite	CaTi(SiO₄)O
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
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Pyrite var. Gold-bearing Pyrite	FeS₂
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrite var. Arsenic-bearing Pyrite	Fe(S,As)₂
Cu	Copper
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
As	ⓘ Pyrite var. Arsenic-bearing Pyrite	Fe(S,As)₂
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Sb	Antimony
Sb	ⓘ Stibnite	Sb₂S₃
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Au	Gold
Au	ⓘ Native Gold	Au

Other Regions, Features and Areas containing this locality

AsiaContinent

China

Giant Sb metallogenic beltMineral Belt
⭔Southwest ChinaRegion
Youjiang metallogenic provinceMineral Province

Eurasian PlateTectonic Plate

Nanpanjiang BasinBasin
West CathaysiaOrogenic Belt

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References

Jishun Liu, Yuguo Zhou, Haitao Han, Qizhi Gao, Jiayong Lin, Deli Liu, and Jun Guo (2007): Geological Features and Ore Prediction of Dixu Gold Deposit in Southeast Yunnan Province, China. Journal of Jilin University, Earth Science Edition 52(4), 652-658.

[1]Miao, Yu; Zhou, Ye; Li, Wen-Chang; Zheng, Yuan-Chuan; Xu, Bo; Zhang, Yan-Qiang (2025) Geochronological constraints and fluid source tracing for the Dixu pyroclastic-hosted gold deposit: An implication for Carlin-type gold metallogeny in the Youjiang Basin, SW China. Ore Geology Reviews, 187. 106987 doi:10.1016/j.oregeorev.2025.106987

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Dixu Au deposit, Guangnan County, Wenshan, Yunnan, ChinaiRegional Level TypesDixu Au depositDeposit Guangnan CountyCounty WenshanPrefecture YunnanProvince ChinaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Commodity List

Mineral List

Rock Types Recorded

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Detailed Mineral List:

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List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References

Dixu Au deposit, Guangnan County, Wenshan, Yunnan, China i
Regional Level Types
Dixu Au deposit Deposit
Guangnan County County
Wenshan Prefecture
Yunnan Province
China Country