Zhengguang Au deposit, Nenjiang County, Heihe, Heilongjiang, Chinai
| Regional Level Types | |
|---|---|
| Zhengguang Au deposit | Deposit |
| Nenjiang County | County |
| Heihe | Prefecture |
| Heilongjiang | Province |
| China | Country |
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Latitude & Longitude (WGS84):
50° 12' 15'' North , 125° 52' 59'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Hydrothermal gold deposit in andesitic volcanic rocks, related to a small diorite intrusion. Ore reserves are estimated at 12 tons of gold.
Intermediate sulfidation deposit.
Gold orebodies at Zhengguang are mainly associated with veins within three mineralized clusters, designated as the No. I, II, and IV zones in a clockwise arrangement. Four stages of veining were identified at Zhengguang based on fieldwork and petrographic observations. Stage I veins are composed of K-feldspar ± quartz ± pyrite ± chalcopyrite, magnetite ± hematite, and epidote ± quartz ± chalcopyrite ± pyrite. Propylitic alteration of the wall rock, primarily epidote-chlorite ± carbonate, formed during this stage. Stage II veins are characterized by quartz pyrite-sphalerite ± chalcopyrite ± galena ± electrum ± petzite ± hessite ± tetrahedrite/tennantite ± adularia with narrow alteration halos of quartz-illite ± pyrite, usually less than 10 cm wide. Stage III veins comprise (Mn-)calcite-quartz-pyrite sphalerite ± chalcopyrite ± galena ± hessite ± native gold ± arsenopyrite ± chalcedony ± fluorite ± adularia ± albite, often with quartz-illite ± pyrite halos typically less than 5 cm wide. Stage IV veins consist of calcite ± quartz ± chlorite ± hematite. Pyrite Re-Os isochrons of the Au-Zn mineralization re turned ages of 484.8 ± 8.7 Ma.
Au 35 t @ 2.59 g/t, Zn 80,000 t @ 1.05 wt %, Ag 100 t @ 12.03 g/t
The oldest known Phanerozoic Au deposit in NE China.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
20 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 DiagramDetailed Mineral List:
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 | |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Hessite | 2.BA.60 | Ag2Te |
| ⓘ | Petzite | 2.BA.75 | Ag3AuTe2 |
| ⓘ | Covellite | 2.CA.05a | CuS |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| ⓘ | 'Tennantite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)As4S12S |
| ⓘ | 'Tetrahedrite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)Sb4S12S |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ | Muscovite var. Illite | 9.EC.15 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| ⓘ | 9.EC.15 | KAl2(AlSi3O10)(OH)2 | |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'K Feldspar var. Adularia' | - | KAlSi3O8 |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Andradite-Grossular Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'K Feldspar' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Dolomite | CaMg(CO3)2 |
| O | Oxygen | |
| O | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Dolomite | CaMg(CO3)2 |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Andradite-Grossular Series | |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Dolomite | CaMg(CO3)2 |
| Al | Aluminium | |
| Al | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Andradite-Grossular Series | |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Andradite-Grossular Series | |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Covellite | CuS |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
| S | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| K | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Dolomite | CaMg(CO3)2 |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Andradite-Grossular Series | |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Andradite-Grossular Series | |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Covellite | CuS |
| Cu | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
| Cu | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| As | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Ag | Silver | |
| Ag | ⓘ Native Gold var. Electrum | (Au,Ag) |
| Ag | ⓘ Hessite | Ag2Te |
| Ag | ⓘ Petzite | Ag3AuTe2 |
| Sb | Antimony | |
| Sb | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Te | Tellurium | |
| Te | ⓘ Hessite | Ag2Te |
| Te | ⓘ Petzite | Ag3AuTe2 |
| Au | Gold | |
| Au | ⓘ Native Gold var. Electrum | (Au,Ag) |
| Au | ⓘ Native Gold | Au |
| Au | ⓘ Petzite | Ag3AuTe2 |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Regions, Features and Areas containing this locality
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References
Song, Guoxue; Cook, Nigel J.; Wang, Le; Qin, Kezhang; Ciobanu, Cristiana L.; Li, Guangming (2019) Gold behavior in intermediate sulfidation epithermal systems: A case study from the Zhengguang gold deposit, Heilongjiang Province, NE-China. Ore Geology Reviews, 106. doi:10.1016/j.oregeorev.2019.02.001
Wang, Le; Qin, Kezhang; Song, Guoxue; Pang, Xuyong; Li, Guangming; Zou, Xinyu (2020) Geology and genesis of the Early Paleozoic Zhengguang intermediate-sulfidation epithermal Au-Zn deposit, northeast China. Ore Geology Reviews, 124. doi:10.1016/j.oregeorev.2020.103602
[1]Wang, Le, Chiaradia, Massimo, Qin, Ke-Zhang, Hui, Kai-Xuan, Li, Zhen-Zhen, Cao, Ming-Jian, Song, Guo-Xue, Pang, Xu-Yong, Shan, Peng-Fei, Li, Guang-Ming (2024) Magmatic Controls on Au- and Ag-Rich Intermediate-Sulfidation Epithermal Deposits from Northeast China. Economic Geology, 119 (8). doi:10.5382/econgeo.5118