THE SOURCE AND EVOLUTION OF METALLOGENIC FLUIDS IN THE DUOBAOSHAN-TONGSHAN PORPHYRY CU (MO) DEPOSIT, HEILONGJIANG, CHINA
文献类型：期刊论文
| 作者 | Wei Hao1; Xu Jiuhua1; Zhang Guorui1; Zeng Qingdong2; Liu Jianming2; Chu Shaoxiong2; Jiang Baifang3 |
| 刊名 | CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES
 |
| 出版日期 | 2014-11-01 |
| 卷号 | 9期号:4页码:61-71 |
| 关键词 | Duobaoshan-Tongshan porphyry Cu (Mo) deposit fluid inclusion mineralization stage |
| ISSN号 | 1842-4090 |
| 文献子类 | Article |
| 英文摘要 | The Duobaoshan-Tongshan porphyry Cu (Mo) deposit, located in the eastern part of the Xingmeng orogenic belt, is the largest porphyry deposit in the Duobaoshan-Aershan Metallogenic belt in central and northern Daxinganling. The ore bodies are mainly hosted inside a granodiorite and at the base of the Duobaoshan Formation. Four ore-forming stages are recognized in the Duobaoshan-Tongshan deposit: (I) Potassic and silicic stage; (II) Silicification-molybdenum mineralizing stage; (III) Phyllic-copper mineralizing stage; and (IV) carbonate-quartz stage. Fluid inclusions of stage (I) are characterized by aqueous, CO2-H2O and pure CO2 fluids, with homogenization temperatures of 245-400 degrees C, salinities of 6-10 wt%NaCl eqv., and densities of 0.5-0.9 g cm(-3). However, those of stage II are dominated by aqueous, CO2-H2O, daughter mineral-bearing inclusions, with peak homogenization temperatures of 260-300 degrees C and salinities of 1.7 - similar to 39wt%NaCl eqv., and densities of 0.3-1.1g cm(-3). Stage III is also characterized by aqueous and CO2-H2O inclusions, with peak homogenization temperatures of 200-280 degrees C, salinities of 0.1-24.8% wt% NaCl eqv., and densities of 0.5-1.0g cm(-3). whereas stage IV fluids are aqueous, with homogenization temperatures of 125-170 degrees C, salinities of 0.5-12.8 wt% NaCl eqv., and densities of 0.8-0.9g cm(-3). Respective trapping pressures for stage I, II, and III are 110-160MPa, 58-80MPa, and 8-17MPa, with corresponding formation temperature of 375-650 degrees C, 310-350 degrees C, and 210-290 degrees C. Laster Raman spectroscopic analysis indicates that the main components of the fluid inclusions are H2O and CO2. The hydrogen and oxygen isotopic compositions of the fluids responsible for alteration and mineralization are constrained by magmatic fluid and meteoric water, and indicate an evolution process from magmatic hydrothermal fluid to meteoric water-bearing fluid, and indicate the influence of the wall-rocks on the evolution process of the hydrothermal fluids. Microthermometry combined with field observations and fluid inclusion petrography suggest that the Duobaoshan porphyry deposit resulted from magmatic differentiation and the large-scale mixing of distinct fluid types. Moreover, complex structures in the mining area facilitated the transport of the hydrothermal mineralizing fluids and subsequent terminal precipitation. There is a close relationship between copper mineralization and NW-striking foliated shear zones, reflecting the control of later shear belts on the copper mineralization. |
| WOS关键词 | FREEZING-POINT DEPRESSION ; COPPER-DEPOSIT ; INCLUSIONS ; PROVINCE |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000344580900006 |
| 出版者 | NORTH UNIV BAIA MARE |
| 资助机构 | Duobaoshan mining company ; Duobaoshan mining company ; Duobaoshan mining company ; Duobaoshan mining company ; Duobaoshan mining company ; Duobaoshan mining company ; Duobaoshan mining company ; Duobaoshan mining company |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/85914]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Zhang Guorui |
| 作者单位 | 1.Univ Sci & Technol Beijing, Beijing 100083, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China 3.Liaoning Nonferrous Geol Explorat Inst, Shenyang 110013, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wei Hao,Xu Jiuhua,Zhang Guorui,et al. THE SOURCE AND EVOLUTION OF METALLOGENIC FLUIDS IN THE DUOBAOSHAN-TONGSHAN PORPHYRY CU (MO) DEPOSIT, HEILONGJIANG, CHINA[J]. CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES,2014,9(4):61-71. |
| APA | Wei Hao.,Xu Jiuhua.,Zhang Guorui.,Zeng Qingdong.,Liu Jianming.,...&Jiang Baifang.(2014).THE SOURCE AND EVOLUTION OF METALLOGENIC FLUIDS IN THE DUOBAOSHAN-TONGSHAN PORPHYRY CU (MO) DEPOSIT, HEILONGJIANG, CHINA.CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES,9(4),61-71. |
| MLA | Wei Hao,et al."THE SOURCE AND EVOLUTION OF METALLOGENIC FLUIDS IN THE DUOBAOSHAN-TONGSHAN PORPHYRY CU (MO) DEPOSIT, HEILONGJIANG, CHINA".CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES 9.4(2014):61-71. |
入库方式： OAI收割
来源：地质与地球物理研究所
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