The outcropping strata in this region include mainly plagioclase gneiss of Qincanggou Formation of the Neoarchean Taihua Group and quartz sandstone interbedded with argillite-sandy slate of the Mesoproterozoic Gaoshanhe Formation [13]. The former is the main ore-bearing strata, while the latter covers these strata with angular unconformity. There are nine alteration zones with Au mineralization, including seven economic Au orebodies. Orebodies I-2, II-2, and III-1 are the main economic ones with average grades of 1.48 g/t, 2.22 g/t, and 2.32 g/t, respectively. The orebodies strike 30–80° and dip SE with dip angles of 30°–50°. Most of the orebodies are vein-type and lenticular with thicknesses of 0.50–15.00 m and lengths of 55–550 m. Based on the characteristics of Au mineralization, the ore type is divided into: quartz-vein type with 2.0–6.0 g/t Au and altered-rock type with 0.8–3.0 g/t Au.
Two main intervals can be distinguished in the mineralization processes of the Lianzigou deposit: hyogenesis and supergenesis.
The K-feldspar–quartz stage (Stage I) consists mainly of K-feldspar and quartz.
In the pyrite–quartz stage (Stage II), the hydrothermal fluid migrated and filled along the fault zone.
The gold–polymetallic sulfides–tellurides stage (Stage III) is characterized by gray quartz, which crosses or superimposes milky quartz veins, and abundant polymetallic sulfides including chalcopyrite, sphalerite, galena, and tetrahedrite.
The carbonate–quartz stage (Stage IV) is characterized by abundant carbonate and quartz with weak Au mineralization.

Select Mineral List Type

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

19 valid minerals.

Rock Types Recorded

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Formula: PbTe

Formula: Cu₅FeS₄

Formula: AuTe₂

Formula: CaCO₃

Formula: CuFeS₂

Formula: Cu₉S₅

Formula: PbS

Formula: Fe₂O₃

Formula: Ag₂Te

Formula: Au₃AgTe₈

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

ⓘ Melonite

Formula: NiTe₂

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

ⓘ Native Gold

Formula: Au

ⓘ Native Gold var. Electrum

Formula: (Au,Ag)

ⓘ Native Tellurium

Formula: Te

ⓘ Petzite

Formula: Ag₃AuTe₂

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

ⓘ Pyrite

Formula: FeS₂

ⓘ Quartz

Formula: SiO₂

ⓘ Quartz var. Milky Quartz

Formula: SiO₂

ⓘ Sphalerite

Formula: ZnS

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold var. Electrum	1.AA.05	(Au,Ag)
ⓘ		1.AA.05	Au
ⓘ	Native Tellurium	1.CC.10	Te
Group 2 - Sulphides and Sulfosalts
ⓘ	Digenite	2.BA.10	Cu₉S₅
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Petzite	2.BA.75	Ag₃AuTe₂
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Altaite	2.CD.10	PbTe
ⓘ	Galena	2.CD.10	PbS
ⓘ	Calaverite	2.EA.10	AuTe₂
ⓘ	Krennerite	2.EA.15	Au₃AgTe₈
ⓘ	Melonite	2.EA.20	NiTe₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Milky Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 9 - Silicates
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
Unclassified
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Calcite	CaCO₃
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Quartz var. Milky Quartz	SiO₂
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Al	Aluminium
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	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Quartz var. Milky Quartz	SiO₂
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
S	Sulfur
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Digenite	Cu₉S₅
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Fe	Iron
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pyrite	FeS₂
Ni	Nickel
Ni	ⓘ Melonite	NiTe₂
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Digenite	Cu₉S₅
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Ag	Silver
Ag	ⓘ Native Gold var. Electrum	(Au,Ag)
Ag	ⓘ Hessite	Ag₂Te
Ag	ⓘ Krennerite	Au₃AgTe₈
Ag	ⓘ Petzite	Ag₃AuTe₂
Sb	Antimony
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Te	Tellurium
Te	ⓘ Altaite	PbTe
Te	ⓘ Calaverite	AuTe₂
Te	ⓘ Hessite	Ag₂Te
Te	ⓘ Krennerite	Au₃AgTe₈
Te	ⓘ Melonite	NiTe₂
Te	ⓘ Petzite	Ag₃AuTe₂
Te	ⓘ Native Tellurium	Te
Au	Gold
Au	ⓘ Calaverite	AuTe₂
Au	ⓘ Native Gold var. Electrum	(Au,Ag)
Au	ⓘ Native Gold	Au
Au	ⓘ Krennerite	Au₃AgTe₈
Au	ⓘ Petzite	Ag₃AuTe₂
Pb	Lead
Pb	ⓘ Altaite	PbTe
Pb	ⓘ Galena	PbS

Other Regions, Features and Areas containing this locality

AsiaContinent

China

Shaanxi
- Shangluo
  - Luonan County
    - Xiaoqinling mining districtMining District

Eurasian PlateTectonic Plate

North China CratonOrogen
- Yanshan Fold BeltOrogenic Belt

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Lianzigou Au deposit, Luonan County, Shangluo, Shaanxi, ChinaiRegional Level TypesLianzigou Au depositDeposit Luonan CountyCounty ShangluoPrefecture ShaanxiProvince ChinaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }