Type, zircon U-Pb age and Paleo-volcano edifice of Zhengguang gold deposit in Duobaoshan orefield in Heilongjiang Province, NE-China
文献类型：期刊论文
| 作者 | Song GuoXue1,2; Qin KeZhang2; Wang Le1,2; Guo JiHai3; Li ZhenZhen2; Tong KuangYin3; Zou XinYu1,2; Li GuangMing2 |
| 刊名 | ACTA PETROLOGICA SINICA
 |
| 出版日期 | 2015-08-01 |
| 卷号 | 31期号:8页码:2402-2416 |
| 关键词 | Zhengguang gold deposit Paleo-volcano edifice Zircon U-Pb age Intermediate-sulfidation type Epithermal Duobaoshan orefield NE-China |
| 文献子类 | Article |
| 英文摘要 | Zhengguang gold deposit is located in the southeast of the famous Duobaoshan Cu-Au metallogenic belt in Heilongjiang Province in China, with distance of 10km from Duobaoshan porphyry Cu-Au deposit, 5km away from Tongshan copper deposit. The deposit's tectonic location is in the superposition area of Paleo-Asian Ocean metallogenic domain and the Pacific Ocean metallogenic domain. Ordovician Duobaoshan Formation of andesitic rock strata are developed in a large area, and the volcanic lithofacies include airfall facies volcano, lava overflow facies, volcanic debris flow facies, and volcanic sedimentary facies. The explosive facies and eruption facies are interbedded with each other and show that the volcano activity alternated between eruption of lava and volcano pyroclastics during the outbreak of volcano. According to the spatial distribution and variation characteristics of ignmibrites, volcano breccias, volcano pyroclastics rocks, we speculate that there is paleo-volcano edifice within the ore district. Influenced by the NW trending structure, the volcanic strata have been experienced weak deformation of NW-trending, and are the main ore-host rock of gold ore bodies. The gold bearing veins appeared as vein and stockwork along the three group faults of north-west, north-east and north-south. The main ore minerals are pyrite, chalcopyrite, sphalerite and galena, and gold appeared in the form of fissure gold, intercrystalline gold and inclusion gold in these sulfides. The combination of veins characteristics, mineral assemblage, alteration, sulphide content in vein, Fe content in sphalerites show that the deposit could be defined as intermediate-sulfidation (IS) type epithermal Au deposit. The intrusions in the region are diorite stock, porphyry diorite dikes, lamprophyre dikes, granodimite porphyry dikes and plagioclase porphyry dikes. All of them cut across Duobaoshan Formation volcanic rocks and gold ore bodies as the post ore dikes. Zircon U-Pb dating results of the porphyry diorite dikes, granodiorite porphyry dikes and plagioclase porphyry dikes show that the latest time of gold mineralization should earlier than 454 Ma A comprehensive conclusion is that the Zhengguang gold deposit, Duobaoshan copper deposit and Tongshan copper deposit were formed under arc setting that is controlled by the Asian Ocean subduction during 480 similar to 452 Ma, and formed a complete metallogenic system from porphyry Cu-Au mineralization to intermediate-sulfidation type epithermal Au mineralization. This approach has a great significance for the further exploration under Zhengguang Au(Zn) ore district and adjacent regions. |
| WOS关键词 | PORPHYRY COPPER-DEPOSIT ; FLUID INCLUSIONS ; MINERALIZATION ; TIBET ; BELT |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000361075200019 |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/62262]  |
| 专题 | 地质与地球物理研究所_中国科学院矿产资源研究重点实验室 |
| 作者单位 | 1.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China 3.Heilong Min Goup Ltd Co, Harbin 150090, Peoples R China |
| 推荐引用方式 GB/T 7714 | Song GuoXue,Qin KeZhang,Wang Le,et al. Type, zircon U-Pb age and Paleo-volcano edifice of Zhengguang gold deposit in Duobaoshan orefield in Heilongjiang Province, NE-China[J]. ACTA PETROLOGICA SINICA,2015,31(8):2402-2416. |
| APA | Song GuoXue.,Qin KeZhang.,Wang Le.,Guo JiHai.,Li ZhenZhen.,...&Li GuangMing.(2015).Type, zircon U-Pb age and Paleo-volcano edifice of Zhengguang gold deposit in Duobaoshan orefield in Heilongjiang Province, NE-China.ACTA PETROLOGICA SINICA,31(8),2402-2416. |
| MLA | Song GuoXue,et al."Type, zircon U-Pb age and Paleo-volcano edifice of Zhengguang gold deposit in Duobaoshan orefield in Heilongjiang Province, NE-China".ACTA PETROLOGICA SINICA 31.8(2015):2402-2416. |
入库方式： OAI收割
来源：地质与地球物理研究所
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