| Ore—Fluid Systems of Fine Disseminated Gold Deposits Along the Southeastern Margin of the Yangtze Plate |
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| 引用本文： | 张景荣,朱恺军,等.Ore—Fluid Systems of Fine Disseminated Gold Deposits Along the Southeastern Margin of the Yangtze Plate[J].中国地球化学学报,1995,14(3):193-202. |
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| 作者姓名： | 张景荣 朱恺军 |
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| 作者单位： | [1]DepartmentofEarthSciences,NanjingUniversity,Nanjing210093 [2]TianjingGeologicalAcademy,Tianjin300061 |
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| 摘 要： | Fine disseminated gold deposits occurring along the southeastern margin of the Yangtze Plate belong to the epithermal type resulting from different systems of ore-forming fluids.According to their sources, the ore-forming fluids can be divided into four systems: a)meteoric water system; b)oil-brine system; c)basin-brine system;and d)magmatic-formation water system.The four hydrothermal systems are responsible for four types of gold deposits, respectively.The meteoric water system produces hot spring gold deposits. The basin-brines,which are derived from fissure water, structural water and absorbed water sealed up in strata, are responsible for the absin-brine-type deposits.The oil-brine system, having the same source as the bain-brines ,is characterized by the involvement of organic matter and is responsible for the oil-brine-type deposits. Inclusion fluid data show that there are obvious differences in chemical composition and carbon, oxygen,hydrogen and sulfur isotopes for these hydrothermal systems.Different metallogenic provinces, in which one of the four systems is dominant, can be recognized in the region.
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| 关 键 词： | 金矿床 金属流体 碳同位素 流体包裹体 氧同位素 硫同位素 |
Ore-fluid Systems of fine disseminated gold deposits along the southeastern margin of the Yangtze Plate |
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| Zhang Jingrong,Lu Jianjun,Wu Aiping,Zhu Kaijun,Sheng Zhonglie.Ore-fluid Systems of fine disseminated gold deposits along the southeastern margin of the Yangtze Plate[J].Chinese Journal of Geochemistry,1995,14(3):193-202. |
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| Authors: | Zhang Jingrong Lu Jianjun Wu Aiping Zhu Kaijun Sheng Zhonglie |
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| Institution: | (1) Department of Earth Sciences, Nanjing University, 210093 Nanjing, China;(2) Tianjin Geological Academy, 300061 Tianjin, China;(3) Bureau of Geology and Mineral Resources of Anhui, 230001 Hefei, China |
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| Abstract: | Fine disseminated gold deposits occurring along the southeastern margin of the Yangtze Plate belong to the epithermal type
resulting from different systems of ore-forming fluids. According to their sources, the ore-forming fluids can be divided
into four systems: a) meteoric water system; b) oil-brine system; c) basin-brine system; and d) magmatic-formation water system.
The four hydrothermal systems are responsible for four types of gold deposits, respectively. The meteoric water system produces
hot spring gold deposits. The basin-brines, which are derived from fissure water, structural water and absorbed water sealed
up in strata, are responsible for the basin-brine-type deposits. The oil-brine system, having the same source as the basin-brines,
is characterized by the involvement of organic matter and is responsible for the oil-brine-type deposits. Inclusion fluid
data show that there are obvious differences in chemical composition and carbon, oxygen, hydrogen and sulfur isotopes for
these hydrothermal systems. Different metallogenic provinces, in which one of the four systems is dominant, can be recognized
in the region.
This project was jointly granted by the National Natural Science Foundation of China and the “Raising Seedlings” Foundation
of the Nanjing University. |
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| Keywords: | fine disseminated gold deposit ore-fluid system isotope fluid inclusion |
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