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13篇 您的检索式:作者名="CONG Bolin"
    题名 作者 年代 出处 被引量
1Coesite inclusions in zircon from gneisses identified by laser Raman microspectrometer in ultra-high pressure zone of Dabie Mountains,China显示文摘The mineral inclusions in zircon from gneisses in ultra-high pressure (UHP) zone of the Dabie Mountains were identified by using a laser Raman microspectrometer. Coesite occurs as inclusions in zircons from all types of gneiss. Other important minerals, such as jadeite, omphacite, aragonite, barite, and anhydrite were also found as inclusion minerals. These discoveries indicate that ( i) gneissic country rocks had metamorphosed at the same time as the enclosed eclogites; and (ii) SO4-2 -bearing fluids were presentin the UHP metamorphic process, which is manifested by occurrence of barite and anhydrite coexisting with coesite.LIU Jingbo YE Kai CONG Bolin Maruyama Shegnori FAN Hongrui 2001Chinese Science Bulletin2001,46,22:22
2The Dabie-Sulu UHP rocks belt:review and prospect显示文摘The new results in the studies of the Dabie-Sulu UHP rocks belt during the past 5 years were summarized and discussed. The discussion included the following key points: ( i ) UHP eclogite has two kinds of country rocks, with one being UHP eclogite facies rocks and the other non-UHP granitic gneiss. ( ii ) The FeTiO3 in olivine indicated exsolution at depth of 300-400 km. However, the key point is to prove the peridotite in which the FeTiO3 in olivine was found once had been subducted down that depth. (iii ) UHP hydrous phase evidenced that fluids had taken part in the UHP metamorphism, while the meter-scale inhomogeneous distribution of O-, C-isotope indicated no fluid activity in the deep subduction environment. (iv ) No agreement has been arrived on many problems related to the tectonic background of the UHP rocks, such as 'whether or not ophiolitic rocks there exist now?', 'when did UHP metamorphism proceed?', 'what is the subdution polarity?', etc. ( V ) How did the UHP rocks exhume from mantleBolin Cong Qingchen Wang 1999Chinese Science Bulletin1999,44,12:21
3Seismic tomography showing subduction and slab breakoff of the Yangtze block beneath the Dabie-Sulu orogenic belt显示文摘Seismic tomography reveals that a subducted ancient block has been preserved beneath the Moho of the Dabie-Sulu orogenic belt. Taking into account of geological and geochronological data, we inferred from the tomographic images that the Yangtze block was subducted northward beneath the Sino-Korean block and broken off at the depth <200 km during 200-190 Ma. The slab breakoff of the Yangtze block is the most important dynamic mechanism to control the exhumation of UHP rocks.Peifen Xu Ruomei Sun Futian Liu Qingchen Wang Bolin Cong 2000Chinese Science Bulletin2000,45,1:7
4A possible relict mantle wedge: Geochemical evidence from Paleogene volcanics in North China显示文摘The major and trace element and isotopic composition were analyzed for the Paleogene volcanics in North China dated by the K-Ar method. The geochemical data show that most volcanics are in calc-alkaline series and the minor is in alkaline series. They differ obviously from Neogene and Quaternary volcanics in geochemistry. In particular, the Paleogene volcanics from the southern part of North China were derived from enriched lithospheric mantle (EMU), which were likely to be a relict mantle wedge formed during the subduction of the Yangtze plate into the North China plate in late Triassic (Indo- Sinian).Bolin Cong Jinghui Guo Wenjun Liu 2001Chinese Science Bulletin2001,46,22:3
5Fluid inclusions in whiteschist in the ultrahigh-pressure metamorphic belt of Dabie Shan,China显示文摘Hualiangting whiteschist in the Dabie Shan ultrahigh-pressure eclogite complex is a specific Mg-Al-rich metamorphic rock. Its protolith was a felsic dyke, which suffered replacement by high-pressure fluids during ec-logite-facies metamorphism. Based on fluid inclusion results in whiteschist, primary high-pressure fluids are CO2-bearing aqueous solutions. Those prove that there exists CO2-H2O fluid during the ultrahigh-pressure metamorphism. Pseu-dosecondary H2O inclusions were trapped during ultra-high-pressure exhumation, whereas secondary H2O inclusions were related to the latest evolutionary stage of the ultrahigh-pressure exhumation.Hongrui Fan Jingbo Liu Jinghui Guo Kai Ye Bolin Cong 2002Chinese Science Bulletin2002,47,12:3
6Could tectonic overpressure cause ultrahigh-pressure metamorphism?显示文摘Could ultrahigh-pressure metamorphic rocks be caused, at depth of 32 km, by tectonic overpressure resulting from differential stress? The differential stress is limited by rock strength, which depends on strain rate and temperature. Therefore, tectonic overpressure could not go beyond 1 GPa, and could not cause the uitrahigh-pressure metamorphism.Qingchen Wang Jingbo Liu Bolin Cong 1999Chinese Science Bulletin1999,44,24:2
7Call in question and discussion: Are there sandwiched low-grade metamorphic slabs within UHP metamorphic rocks in the Dabieshan terrane?显示文摘Some geologists reported their discovery of sandwiched low-grade metamorphic slabs within UHP metamorphic Complexes in Changpu, Yuexi County, Anhui Province. They also suggested that some coesite-bearing eclogites are igneous veins, which intruded low-grade metamorphic slabs and other related rocks. Moreover they further called in question to UHP matamorphic process and continental collision tectonism in the Dabieshan terrane. Based on our recent study so-called low-grade metamorphic slabs are strongly deformed fabric, fine-grained and tectonic recrystallized mylonites and tectonites. Their protolith rocks are garnet-bearing orthogneiss, eclogite and marble, as well as a few amounts of strongly deformed acid and basic veins. Their metamorphic, geochemical and geochronological characteristics are also identical with UHPM rocks and regional country orthogneisses. Therefore we conclude that there are not low-grade metamorphic slabs sand wiched with UHP metamorphic rocks in the Dabieshan terrane.ZHAI Mingguo JIANG Laili WANG Qingchen CONG Bolin 2000Chinese Science Bulletin2000,45,2:2
8The possible subducfion of continental material to depths greater than 200 km 显示文摘Ye Kai Cong Bolin Ye Danian 2000Nature2000,407,:1
9Collision of the North China and Yangtse Blocks and formation of coesite-bearing eclogites: Timing and processes显示文摘Li Shuguang Xiao Yilin Lion Deliang Chert Yizhi Ge Ningjie Zhang Zongqing Sun Shen-su Cong Bolin Zhang Ruyuan Hart S R Wang Songshan 1993Chem Geol1993,109,14:1
10Sm-Nd geochronology and petrography of garnet pyroxene granulites in the northern Sulu region of China and their geotectonic implication显示文摘Zhai Mingguo Cong Bolin Guo Jinghui Liu Wenjun Li Yonggang Wang Qingchen 2000Lithos2000,52,14:1
11ULTRAHIGH-PRESSURE P-BEARING TITANITE IN E-CLOGITE AT HOUSHUICHEGOU,SHANDONG PROVINCE,EASTERN CHINA显示文摘Ye Kai Cong Bolin and Ye Danian (Institute of Geology Chinese Academy of Sciences Beijing 100029)) 1997Scientia Geologica Sinica1997,,01:1
12Supracrustal Sleeve Experienced Ultrahigh-Pressure Metamorphism显示文摘WANG Qingchen and CONG Bolin Institute of Geology Chinese Academia of Sciences Beijing 100029 China 1998Continental Dynamics1998,,1:1
13Plastic mechanism of deformation of garnet显示文摘Wen Su Bolin Cong Zhendong You Zengqiu Zhong Daizhang Chen 2002Science in China Series D: Earth Sciences2002,,10:1
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