Alkaline complex-hosted gold deposit, occurring in the inner contact zone of an alkaline syenite that is overprinted by faults and fractures. The deposit is irregular and is concordant to the strike of the contact zone and the faults. Four deposition stages occur: (1) molybdenite-quartz, (2) quartz-pyrite, (3) base metallic sulphide, and (4) carbonate. Alteration includes epidote, chlorite, sericite, pyrite, and carbonate alterations. The gold deposition is interpreted as related to the shearing of the Archean Wulashan Group of metamorphic rocks. The deposit probably formed at about 80+/-5.6 Ma(?), based on the dating of sericite alteration.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

19 valid minerals.

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

Reference: Debao Mao (1992): Geology and Prospecting 28(9), 13-17

ⓘ Bornite

Formula: Cu₅FeS₄

Reference: Rui Li (1992): Geology and Prospecting 28(3), 46-50

ⓘ Calcite

Formula: CaCO₃

Reference: Debao Mao (1992): Geology and Prospecting 28(9), 13-17

ⓘ Chalcocite

Formula: Cu₂S

Reference: Rui Li (1992): Geology and Prospecting 28(3), 46-50

ⓘ Chalcopyrite

Formula: CuFeS₂

ⓘ 'Chlorite Group'

Reference: Rui Li (1992): Geology and Prospecting 28(3), 46-50

ⓘ Diopside

Formula: CaMgSi₂O₆

Reference: Shuyuan Xiang, Yongxiang Fan, and Chunqing Yin (1991): Geology and Prospecting 27(3), 15-20

ⓘ 'Electrum'

Formula: (Au,Ag)

Reference: Nie, F.-J., Jiang, S.-H., and Liu Y. (2004): Resource Geology 54(3), 299-324

ⓘ Epidote

Formula: {Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)

Reference: Debao Mao (1992): Geology and Prospecting 28(9), 13-17

ⓘ Galena

Formula: PbS

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

Reference: Debao Mao (1992): Geology and Prospecting 28(9), 13-17

ⓘ Gold

Formula: Au

Reference: Shuyuan Xiang, Yongxiang Fan, and Chunqing Yin (1991): Geology and Prospecting 27(3), 15-20; Rui Li (1992): Geology and Prospecting 28(3), 46-50; Zhimin Chang and Yongcai Li (1995): Geology and Prospecting 31(4), 39-46; Xingwang Xu, Xinping Cai, Yulin Liu, and Baolin Zhang (2002): Science in China, Series D (Earth Sciences), 45(6), 559-564

ⓘ Hematite

Formula: Fe₂O₃

Reference: Shuyuan Xiang, Yongxiang Fan, and Chunqing Yin (1991): Geology and Prospecting 27(3), 15-20; Debao Mao (1992): Geology and Prospecting 28(9), 13-17; Zhimin Chang and Yongcai Li (1995): Geology and Prospecting 31(4), 39-46

ⓘ Hematite var: Specularite

Formula: Fe₂O₃

Reference: Rui Li (1992): Geology and Prospecting 28(3), 46-50

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Reference: Shuyuan Xiang, Yongxiang Fan, and Chunqing Yin (1991): Geology and Prospecting 27(3), 15-20; Rui Li (1992): Geology and Prospecting 28(3), 46-50

ⓘ Microcline

Formula: K(AlSi₃O₈)

Reference: Rui Li (1992): Geology and Prospecting 28(3), 46-50; Xingwang Xu, Xinping Cai, Yulin Liu, and Baolin Zhang (2002): Science in China, Series D (Earth Sciences), 45(6), 559-564

ⓘ Molybdenite

Formula: MoS₂

Reference: Shuyuan Xiang, Yongxiang Fan, and Chunqing Yin (1991): Geology and Prospecting 27(3), 15-20

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Reference: Shuyuan Xiang, Yongxiang Fan, and Chunqing Yin (1991): Geology and Prospecting 27(3), 15-20; Rui Li (1992): Geology and Prospecting 28(3), 46-50; Debao Mao (1992): Geology and Prospecting 28(9), 13-17; Zhimin Chang and Yongcai Li (1995): Geology and Prospecting 31(4), 39-46

ⓘ Muscovite var: Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

ⓘ Pyrite

Formula: FeS₂

ⓘ Pyrrhotite

Formula: Fe₇S₈

Reference: Shuyuan Xiang, Yongxiang Fan, and Chunqing Yin (1991): Geology and Prospecting 27(3), 15-20

ⓘ Quartz

Formula: SiO₂

ⓘ Quartz var: Chalcedony

Formula: SiO₂

Reference: Rui Li (1992): Geology and Prospecting 28(3), 46-50

ⓘ Siderite

Formula: FeCO₃

Reference: USGS Open-File Report 03-220

ⓘ Sphalerite

Formula: ZnS

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	'Electrum'	1.AA.05	(Au,Ag)
ⓘ	Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe₇S₈
ⓘ	Sphalerite	2.CB.05a	ZnS
Group 4 - Oxides and Hydroxides
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	var: Specularite	4.CB.05	Fe₂O₃
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var: Chalcedony	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
Group 9 - Silicates
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Epidote	9.BG.05a	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var: Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
Unclassified Minerals, Rocks, etc.
ⓘ	'Chlorite Group'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
ⓘ	Gold	1.1.1.1	Au
Group 2 - SULFIDES
A_mB_nX_p, with (m+n):p = 2:1
ⓘ	Chalcocite	2.4.7.1	Cu₂S
A_mB_nX_p, with (m+n):p = 3:2
ⓘ	Bornite	2.5.2.1	Cu₅FeS₄
A_mX_p, with m:p = 1:1
ⓘ	Galena	2.8.1.1	PbS
ⓘ	Pyrrhotite	2.8.10.1	Fe₇S₈
ⓘ	Sphalerite	2.8.2.1	ZnS
A_mB_nX_p, with (m+n):p = 1:1
ⓘ	Chalcopyrite	2.9.1.1	CuFeS₂
A_mB_nX_p, with (m+n):p = 1:2
ⓘ	Molybdenite	2.12.10.1	MoS₂
ⓘ	Pyrite	2.12.1.1	FeS₂
Group 4 - SIMPLE OXIDES
A₂X₃
ⓘ	Hematite	4.3.1.2	Fe₂O₃
Group 7 - MULTIPLE OXIDES
AB₂X₄
ⓘ	Magnetite	7.2.2.3	Fe²⁺Fe³⁺₂O₄
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO₃)
ⓘ	Calcite	14.1.1.1	CaCO₃
ⓘ	Siderite	14.1.1.3	FeCO₃
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
ⓘ	Epidote	58.2.1a.7	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
ⓘ	Diopside	65.1.3a.1	CaMgSi₂O₆
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
ⓘ	Muscovite	71.2.2a.1	KAl₂(AlSi₃O₁₀)(OH)₂
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with [4] coordinated Si
ⓘ	Quartz	75.1.3.1	SiO₂
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
ⓘ	Albite	76.1.3.1	Na(AlSi₃O₈)
ⓘ	Microcline	76.1.1.5	K(AlSi₃O₈)
Unclassified Minerals, Mixtures, etc.
ⓘ	'Chlorite Group'	-
ⓘ	'Electrum'	-	(Au,Ag)
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	Hematite var: Specularite	-	Fe₂O₃
ⓘ	Muscovite var: Sericite	-	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Quartz var: Chalcedony	-	SiO₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
C	Carbon
C	ⓘ Siderite	FeCO₃
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Quartz	SiO₂
O	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Siderite	FeCO₃
O	ⓘ Calcite	CaCO₃
O	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Hematite (var: Specularite)	Fe₂O₃
O	ⓘ Quartz (var: Chalcedony)	SiO₂
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Mg	Magnesium
Mg	ⓘ Diopside	CaMgSi₂O₆
Al	Aluminium
Al	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
Si	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Quartz (var: Chalcedony)	SiO₂
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
S	Sulfur
S	ⓘ Pyrite	FeS₂
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Sphalerite	ZnS
S	ⓘ Molybdenite	MoS₂
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Pyrrhotite	Fe₇S₈
K	Potassium
K	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Ca	ⓘ Diopside	CaMgSi₂O₆
Fe	Iron
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Hematite (var: Specularite)	Fe₂O₃
Fe	ⓘ Pyrrhotite	Fe₇S₈
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Bornite	Cu₅FeS₄
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Ag	Silver
Ag	ⓘ Electrum	(Au,Ag)
Au	Gold
Au	ⓘ Gold	Au
Au	ⓘ Electrum	(Au,Ag)
Pb	Lead
Pb	ⓘ Galena	PbS

Geochronology

Mineralization age: Early Jurassic : 187.6 ± 0.4 Ma to 177.6 ± 1.9 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic Time

Rocks, Minerals and Events

ⓘ Quartz	177.6 ± 1.9 Ma
ⓘ Sericite	187.6 ± 0.4 Ma

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Shuyuan Xiang, Yongxiang Fan, and Chunqing Yin (1991): A preliminary analysis of metallogenic features of the Hougou type gold deposit, Chicheng County, Hebei. Geology and Prospecting 27(3), 15-20.

Debao Mao (1992): Gold deposits association with alkaline igneous rocks. Geology and Prospecting 28(9), 13-17.

Rui Li (1992): Geological-geochemical features and metallogenic pattern of the Hougou gold deposit. Geology and Prospecting 28(3), 46-50.

Zhimin Chang and Yongcai Li (1995): Comprehensive geophysical and geochemical exploration model of Dongping-Hougou gold deposit. Geology and Prospecting 31(4), 39-46.

Xingwang Xu, Xinping Cai, Yulin Liu, and Baolin Zhang (2002): Laser probe 40Ar-39Ar ages of metasomatic K-feldspar from the Hougou gold deposit, northwestern Hebei Province, China. Science in China, Series D (Earth Sciences), 45(6), 559-564.

Nie, F.-J., Jiang, S.-H., and Liu Y. (2004): Intrusion-Related Gold Deposits of North China Craton, People's Republic of China. Resource Geology 54(3), 299-324.

Other Regions, Features and Areas containg this locality

Amur PlateTectonic Plate

AsiaContinent

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