Arid
Discover of Layikeleke insidious porphyry deposit in Xinjiang, Re-Os isotope dating and its geological implications
Lu Bo1; Meng GuiXiang2; Yang YueQing2; Yan JiaYong2; Zhao JinHua2; Deng Zhen2; Li Chao3
通讯作者Lu Bo
来源期刊ACTA PETROLOGICA SINICA
ISSN1000-0569
EISSN2095-8927
出版年2014
卷号30期号:4页码:1168-1178
英文摘要

Qiongheba ore concentration area was important component of porphyry copper metallogenic belt in Junggar, Xinjiang. Several porphyry copper deposits have been found in this area, but the extensive distribution of the Gobi desert makes surface prospecting difficulty in this area. In recent years, successfully use of comprehensive geophysical exploration methods in this area, has made a new buried copper (molybdenum) porphyry deposit found. The findings was mostly based on surface Induced Polarization (IP) methods, which defined a NW-trending, 5000m long and 500 similar to 1000m wide IP anomaly, and deep drilling. The drilling verification indicates that the IP anomaly caused by concealed copper (molybdenum) mineralization tonalite body. The tonnage of the deposit has reach to medium large size in copper (molybdenum), the associated gold and lead-zinc are also in good prospect A concealed skarn type copper iron-rich ores which close the tonalite body is also found. Based on the preliminary study on petrology, geochemistry, metallogenic characteristics of tonalite, the Re-Os isotope dating was carry out on the six molybdenite samples, the weighted mean age is 411.1 +/- 2.4Ma. It is consistent with mineralization age of porphyry copper deposit in this area. These age characteristics further evidenced that there is a magma-hydrothermal polymetallic mineralization event in this area during the Upper Silurian and Lower Devonian. All these indicate that Layikeleke metallogenic province has great prospection potential, and has important significance in deepening our understanding of magmatic hydrothermal metallogenesis in this area.


英文关键词Re-Os isotopic age Molybdenite Porphyry copper deposit Tonalite Alteration Qiongheba in Xinjiang
类型Article
语种中文
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000335541600021
WOS关键词CU-MO DEPOSIT ; FORMATION MECHANISM ; EASTERN JUNGGAR ; COPPER-DEPOSIT ; MOLYBDENITE ; ARC ; AGE
WOS类目Geology
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/180361
作者单位1.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China;
2.Chinese Acad Geol Sci, MLR, Inst Mineral Resources, Key Lab Metallogeny & Mineral Assessment, Beijing 100037, Peoples R China;
3.Natl Res Ctr Geoanal, Beijing 100037, Peoples R China
推荐引用方式
GB/T 7714
Lu Bo,Meng GuiXiang,Yang YueQing,et al. Discover of Layikeleke insidious porphyry deposit in Xinjiang, Re-Os isotope dating and its geological implications[J],2014,30(4):1168-1178.
APA Lu Bo.,Meng GuiXiang.,Yang YueQing.,Yan JiaYong.,Zhao JinHua.,...&Li Chao.(2014).Discover of Layikeleke insidious porphyry deposit in Xinjiang, Re-Os isotope dating and its geological implications.ACTA PETROLOGICA SINICA,30(4),1168-1178.
MLA Lu Bo,et al."Discover of Layikeleke insidious porphyry deposit in Xinjiang, Re-Os isotope dating and its geological implications".ACTA PETROLOGICA SINICA 30.4(2014):1168-1178.
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