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| 1 | Palaeozoic tectonic evolution of the Tianshan belt,NW China显示文摘The Chinese Tianshan belt is a major part of the southern Central Asian Orogenic Belt,extending westward to Kyrgyzstan and Kazakhstan.Its Paleozoic tectonic evolution,crucial for understanding the amalgamation of Central Asia,comprises two stages of subduction-collision.The first collisional stage built the Eo-Tianshan Mountains,before a Visean unconformity,in which all structures are verging north.It implied a southward subduction of the Central Tianshan Ocean beneath the Tarim active margin,that induced the Ordovician-Early Devonian Central Tianshan arc,to the south of which the South Tianshan back-arc basin opened.During the Late Devonian,the closure of this ocean led to a collision between Central Tianshan arc and the Kazakhstan-Yili-North Tianshan Block,and subsequently closure of the South Tianhan back-arc basin,producing two suture zones,namely the Central Tianshan and South Tianshan suture zones where ophiolitic mélanges and HP metamorphic rocks were emplaced northward.The second stage included the Late Devonian-Carboniferous southward subduction of North Tianshan Ocean beneath the Eo-Tianshan active margin,underlined by the Yili-North Tianshan arc,leading to the collision between the Kazakhstan-Yili-NTS plate and an inferred Junggar Block at Late Carboniferous-Early Permian time.The North Tianshan Suture Zone underlines likely the last oceanic closure of Central Asia Orogenic Belt;all the oceanic domains were consumed before the Middle Permian.The amalgamated units were affected by a Permian major wrenching,dextral in the Tianshan.The correlation with the Kazakh and Kyrgyz Tianshan is clarified.The Kyrgyz South Tianshan is equivalent to the whole part of Chinese Tianshan(CTS and STS) located to the south of Narat Fault and Main Tianshan Shear Zone;the so-called Middle Tianshan thins out toward the east.The South Tianshan Suture of Kyrgyzstan correlates with the Central Tianshan Suture of Chinese Tianshan.The evolution of this southern domain remains similar from east(Gangou area) to west until the Talas-Ferghana Fault,which reflects the convergence history between the Kazakhstan and Tarim blocks. | Jacques CHARVET SHU LiangShu Sebastien LAURENT-CHARVET WANG Bo Michel FAURE Dominique CLUZEL CHEN Yan Koen De JONG | 2011 | Science China Earth Sciences2011，54，2： | 57 |
| 2 | New Chronological Evidence for Indosinian Diagenetic Mineralization in Eastern Xinjiang, NW China显示文摘There have been conflicting ideas about the Indosinian mineralization in E. Xinjiang, a subject that has attracted many geologists’ attention over a long period. Isotopic dating shows that the Shiyingtan gold deposit located on the southern margin of the Turpan-Hami basin has a quartz fluid inclusion Rb-Sr isochron age of 237±9 Ma (95% conf.); the Shuangfengshan gold deposit on the southern margin of the Junggar orogenic belt has a quartz fluid inclusion Rb-Sr isochron age of 226 ±21 Ma (95% conf.); the Weiya vanadium-titanium magnetite in the E. Tianshan mountains has a mineral-whole rock Sm-Nd isochron age of 220 ±30 Ma (95% conf.); the Jinwozi and Jinwozi 210 gold deposits in the E. Tianshan mountains have quartz fluid inclusion Rb-Sr isochron ages of 228±22 Ma (95% conf.) and 230±6 Ma (95% conf.), respectively; and the Xiaobaishitouquan scheelite deposit in the E. Tianshan mountains has a quartz fluid inclusion Rb-Sr isochron age of 248±7 Ma (95% conf.). The metallogenetic ages mentioned above prove the existence of Indosinian mineralization in E. Xinjiang, and the metallogenetic event might have been related to Triassic intraplate magmatic evolution, intra-continent subduction, strike-slip shoving and ductile shearing in the studied area, representing another mineralization peak after the Late Paleozoic. | LIHuaqin CHENFuwen LUYuanfa YANGHongmei GUOJing MEIYuping | 2005 | Acta Geologica Sinica(English Edition)2005，79，2： | 27 |
| 3 | 新疆东天山葫芦铜镍硫化物矿床Re-Os同位素物质来源示踪研究显示文摘通过对葫芦铜镍硫化物矿石的Re-Os同位素物质来源示踪研究,其^(187)Os/^(188)Os初始比值介于1.40~1.97,γOs值介于1110~1565,平均为1379,表明在成矿过程及岩浆侵位期间有大量地壳物质加入到成矿系统中。 | 胡克兵 姚书振 屈文俊 杜安道 敖松坚 | 2008 | 岩石学报2008，24，10： | 13 |
| 4 | 东天山觉罗塔格地区底坎儿组火山岩地球化学特征及构造环境探讨显示文摘底坎儿组火山岩是东天山石炭纪火山岩的重要组成部分,其分布范围北至吐-哈盆地南缘,南至沙泉子断裂,其地球化学特征对于探讨觉罗塔格地区的构造环境演化具有重要的意义。本文对底坎儿组火山岩的主量、微量及sr—Nd同位素进行了研究,以探讨岩石成因及其形成的构造环境。结果表明,底坎儿组火山岩为一套钙碱性的玄武岩-安山岩-流纹英安岩组合,为石榴石-尖晶石橄榄岩地幔部分熔融的产物。玄武岩经历了橄榄石和单斜辉石的结晶分异,安山岩和流纹英安岩则经历了斜长石和磁铁矿的结晶分异。火山岩相对富集轻稀土元素和大离子亲石元素,亏损高场强元素,玄武岩的微量元素配分型式与弧玄武岩相似,而部分安山岩及流纹英安岩的微量元素配分型式与上地壳相似。底坎儿组火山岩的Nd同位素特征[eNd(t)=-0.14~5.69]及微量元素地球化学特征显示其具有中等亏损地幔源区特征,岩浆来自于俯冲流体交代的地幔,岩浆演化过程遭受了有限的地壳混染。基性火山岩微量元素配分型式及构造环境图解表明其可能形成于弧后盆地环境。 | 黄小文 漆亮 高剑峰 刘莹莹 王怡昌 | 2012 | 岩石矿物学杂志2012，31，6： | 9 |
| 5 | Geological Characteristics and Metallogenic Setting of Representative Magmatic Cu-Ni Deposits in the Tianshan-Xingmeng Orogenic Belt, Central Asia显示文摘A great number of magmatic Cu-Ni deposits(including Kalatongke in Xinjiang and Hongqiling in Jilin) are distributed over a distance of almost 3000 km across the Tianshan-Xingmeng Orogenic Belt, from Tianshan Mountains in Xinjiang in the west, to Jilin in eastern China in the east. These deposits were formed during a range of magmatic episodes from the Devonian to the Triassic. Significant magmatic Cu-Ni-Co-PGE deposits were formed from the Devonian period in the Nalati arc(e.g. Jingbulake Cu-Ni in Xinjiang), Carboniferous period in the Puerjin-Ertai arc(e.g. Kalatongke Cu-Ni-Co-PGE in Xinjiang), Carboniferous period in the Dananhu-Touquan arc(e.g. Huangshandong, Xiangshan and Tulaergen in estern Tianshan, Xinjiang) to Triassic period in the Hulan arc(e.g. Hongqiling Cu-Ni in Jilin). In addition to the overall tectonic, geologic and distribution of magmatic Cu-Ni deposits in the Tianshan-Xingmeng Orogenic Belt, the metallogenic setting, deposit geology and mineralization characteristics of each deposit mentioned above are summarized in this paper. Geochronologic data of Cu-Ni deposits indicate that, from west to east, the metallogenic ages in the Tianshan-Xingmeng Orogenic Belt changed with time, namely, from the Late Caledonian(~440 Ma), through the Late Hercynian(300-265 Ma) to the Late Indosinian(225-200 Ma). Such variation could reflect a gradual scissor type closure of the paleo Asian ocean between the Siberia Craton and the North China Craton from west to east. | HAN Chunming XIAO Wenjiao SU Benxun ZHANG Xiaohui WAN Bo SONG Dongfang ZHANG Zhiyong ZHANG Jien WANG Zhongmei XIE Mingcai | 2019 | Acta Geologica Sinica(English Edition)2019，93，5： | 1 |
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