Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Hougou Mine, Xiaozhangjiakou Gold Field, Chicheng Co., Zhangjiakou, Hebei, China

Oldest recorded age at locality: 288.5
Youngest recorded age at locality: 167.9

mindat Locality ID: 144523
mindat URL: http://www.mindat.org/loc-144523.html

Tectonic Settings:

Total number of sublocalities beneath "Hougou Mine, Xiaozhangjiakou Gold Field, Chicheng Co., Zhangjiakou, Hebei, China": 0
Total number of bottom-level sublocalities: 0

Latitude: 40°54'0"N
Longitude: 115°36'40"E
Decimal Degree (lat, lon): 40.9,115.61111111111

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Epidote	Feldspar	Mica	Molybdenite
Nickeline	None	Pyrite	Pyroxene	Quartz	Rocksalt	Sphalerite	Spinel

Albite ()*	Bornite ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*
Diopside ()*	Epidote ()*	Galena ()*	Gold ()*	Hematite ()*
Magnetite ()*	Microcline ()*	Molybdenite ()*	Muscovite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Siderite ()*	Sphalerite ()*

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Au C Ca Cu Fe H K Mg Mo Na O Pb S Si Zn

Elements from minerals reported directly at this locality: Al Au C Ca Cu Fe H K Mg Mo Na O Pb S Si Zn

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Clinozoisite Copper Corundum Epidote Feldspar Mica Molybdenite
Nickeline None Pyrite Pyroxene Quartz Rocksalt Sphalerite Spinel

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	288.5	167.9	8803
Bornite ()*	None	Cu₅FeS₄	288.5	167.9	5516
Calcite ()*	Calcite	Ca(CO₃)	288.5	167.9	27770
Chalcocite ()*	None	Cu₂S	288.5	167.9	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	288.5	167.9	27198
Diopside ()*	Pyroxene	CaMgSi₂O₆	288.5	167.9	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	288.5	167.9	8173
Galena ()*	Rocksalt	PbS	288.5	167.9	24243
Gold ()*	Copper	Au	288.5	167.9	30554
Hematite ()*	Corundum	Fe₂O₃	288.5	167.9	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	288.5	167.9	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	288.5	167.9	4924
Molybdenite ()*	Molybdenite	MoS₂	288.5	167.9	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	288.5	167.9	17380
Pyrite ()*	Pyrite	FeS₂	288.5	167.9	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	288.5	167.9	9056
Quartz ()*	Quartz	SiO₂	179.5	175.7	61156
Siderite ()*	Calcite	Fe(CO₃)	288.5	167.9	6417
Sphalerite ()*	Sphalerite	ZnS	288.5	167.9	21482

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Kristen002419	179.5	175.7	177.6±1.9	Ar-Ar	Au mineralization realted to Shuiquangou syenite complex	quartz	Quartz	Au	144523	Hougou Mine, Xiaozhangjiakou Gold Field, Chicheng Co., Zhangjiakou, Hebei, China	Hougou Gold Deposit	Bao et al. (2014)	10.1016/j.oregeorev.2014.02.006	OGR61_107
Kristen002420	177.9	167.9	172.9±5	Ar-Ar	Au mineralization realted to Shuiquangou syenite complex	k-feldspar		Au	144523	Hougou Mine, Xiaozhangjiakou Gold Field, Chicheng Co., Zhangjiakou, Hebei, China	Hougou Gold Deposit	Bao et al. (2014)	10.1016/j.oregeorev.2014.02.006	OGR61_107
Kristen002421	288.5	287.7	288.1±0.4	Ar-Ar	Au mineralization realted to Shuiquangou syenite complex	k-feldspar		Au	144523	Hougou Mine, Xiaozhangjiakou Gold Field, Chicheng Co., Zhangjiakou, Hebei, China	Hougou Gold Deposit	Bao et al. (2014)	10.1016/j.oregeorev.2014.02.006	OGR61_107
Kristen002422	188	187.2	187.6±0.4	Ar-Ar	Au mineralization realted to Shuiquangou syenite complex	sericite		Au	144523	Hougou Mine, Xiaozhangjiakou Gold Field, Chicheng Co., Zhangjiakou, Hebei, China	Hougou Gold Deposit	Bao et al. (2014)	10.1016/j.oregeorev.2014.02.006	OGR61_107
Kristen002423	203.6	201.6	202.6±1	Ar-Ar	Au mineralization realted to Shuiquangou syenite complex	k-feldspar		Au	144523	Hougou Mine, Xiaozhangjiakou Gold Field, Chicheng Co., Zhangjiakou, Hebei, China	Hougou Gold Deposit	Bao et al. (2014)	10.1016/j.oregeorev.2014.02.006	OGR61_107

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...