王瑜
个性化签名
- 姓名:王瑜
- 目前身份:
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- 学位:
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学术头衔:
教育部“新世纪优秀人才支持计划”入选者, 博士生导师
- 职称:-
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学科领域:
构造地质学(包括显微构造学等)
- 研究兴趣:
王瑜,1966年1月生。博士,教授,博士生导师。1988年毕业于西北大学地质系,1991年于中国地质大学(北京)获构造地质学硕士学位,1994年于中国地质科学院获构造地质学博士学位,1994-1996年期间在中国地震局地球物理研究所从事固体地球物理方向的博士后研究工作,1996-2001年在中国地震局地质研究所工作。2001年底调中国地质大学(北京)任教。
近几年来所从事的专业为构造地质学、构造-热年代学、Ar/Ar测年。负责中国地质大学(北京)大型仪器MM-5400质谱仪工作。中国地质学会构造与大陆动力学专业委员会委员。
从事的主要研究领域为:造山带造山作用过程的研究;中新 生代构造作用特征及年代学的研究;同位素年代学中的Ar-Ar年代学及实验室研究和测年;中新生代的热年代学及其过程;第四纪中国火山活动的构造地质背景的研究;同时还涉及有关的盆地构造研究。
1995年以来,独立出版专著二本(地质出版社〕,参与出版专著二本(石油出版社、地震出版社)。有关的学术论文(或会议论文及摘要)四十余篇,主要发表在Geological Society of America Bulletin, Terra Nova, the Journal of Geology, Journal of Asian Earth Sciences, Geological Society of London, Special Publication, Journal of Geological Society, London, Lithos, 地质学报、岩石学报等。
入选2005年度教育部新世纪优秀人才支持计划。
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王瑜
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-1年11月30日
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王瑜
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王瑜
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王瑜
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-1年11月30日
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王瑜
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王瑜, Yu Wang , †, Guihua Sun , and Jinyi Li
Geological Society of America Bulletin, March/April 2010, 487-505,-0001,():
-1年11月30日
The development of structures and their age along the segment of the Altyn Tagh fault system, and the eastward extension of the Tianshan orogenic belt, remain speculative. Recent investigations on the structural framework, granitic intrusions, and metamorphic rocks in the eastern Tianshan and adjacent areas show that the NE-striking Xingxingxia sinistral ductile shear zone, NW China, is subparallel to the Altyn Tagh fault zone and is superposed on the eastern Tianshan orogenic belt. U-Pb zircon sensitive high-resolution ion microprobe (SHRIMP) dating, and muscovite, biotite, and K-feldspar 40Ar/39Ar thermochronology indicate that sinistral shear along the Xingxingxia shear zone initiated at ~240-235 Ma, broadly at the same time as initial formation of the Altyn Tagh fault zone, but later than initiation of dextral strike-slip motion along-EW-trending eastern Tianshan orogenic belt at ~270-245 Ma. Formation of the Xingxingxia ductile shear zone was associated with Gondwanaland convergence along the southern margin of the Eurasian continent during the Late Permian-Early Triassic.
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王瑜, Yu Wang*, Su Zhou
Journal of Asian Earth Sciences 34(2009)51-60,-0001,():
-1年11月30日
High-angle normal faulting in eastern China was an important tectonic process responsible for the rifting of the eastern Asian continental margin. Along the southern segment of the Tan-Lu fault system, part of the eastern China rift-system, 55-70 east-dipping normal faults are the oldest structures within this riftsystem. Chlorite, pseudotachylite, and fault breccia are found in fault zones, which are characterized by microstructures and syn-deformation chlorite minerals aligned parallel to a down-dip stretching lineation. 40Ar/39Ar dating of syn-deformation chlorite and K-feldspar from the fault gouge zone yields cooling ages of 75-70 Ma, interpreted as the timing of slip along the normal faults. This age is older than that of opening of the Japanese sea and back-arc extension in the west Pacific, but similar to the onset of the Indo-Asian (soft?) collision.
Eastern China Rift-systems Chlorite and K-feldspar 40Ar/, 39Ar dating
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王瑜, Yu Wang, Jinyi Li, and Guihua Sun
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-1年11月30日
Postcollisional extrusion and tectonic evolution in the eastern Tianshan orogenic belt (ETOB) remains poorly known, especially the mechanism of dextral strike-slip motion and associated tectonic exhumation. To better constrain this development, a structural and 40Ar=39Ar geochronological study was carried out on a syndextral strike-slip intrusion-the Jueluotag batholith-as well as on other granitic plutons in the ETOB. 40Ar=39Ar analyses of hornblende, biotite, K-feldspar, and plagioclase from quartz-mica diorite, granodiorite, and dioritic porphyry dykes were used to construct cooling histories of the ETOB. Hornblendes have cooling ages of 277-272 Ma, similar to the syntectonic granitic intrusions, but biotite ages are 261-254 Ma along the syndextral strike-slip pluton from east to west. The dextral strikeslip motion cuts through ∼268-Ma dioritic porphyry dikes as well. From these data we conclude that dextral strike-slip motion occurred from ~270 to 245 Ma. Based on the syntectonic granitic intrusions, structural features, and cooling ages along or outside of the dextral strike-slip belt, we demonstrate that a positive flower structure is the main structural framework for the Paleozoic northern segment of the ETOB. Rapid cooling and tectonic exhumation occurred during ~240-220 Ma along the ETOB but did not occur in the western Tianshan orogen. The central Tianshan crystalline belt along the Gangou-Aqikekuduk fault zone was cut and offset southeastward by the dextral strike-slip motion. This suggests that dextral strike-slip motion occurred later than sinistral strike-slip along the southern margin of the ETOB. Geological features and age constraints suggest that the postcollisional eastward extrusion occurred at ~270-245 Ma with dextral strike-slip motion, syntectonic granitic intrusions, and synextrusion tectonic exhumation.
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王瑜
,-0001,():
-1年11月30日
The NNE-trending Taihang Mountain belt, North China, is an intracontinental anomalous zone with a significant magmatic and gravity signature. From structural investigations, U-Pb dating, and 40Ar/39Ar chronological analyses, a three-stage tectonic evolution sequence can be reconstructed for the northern part of the Taihang Mountain belt during the middle to late Mesozoic period. This sequence comprises a WNW-ESE-directed compression that occurred at 175–150 Ma, followed by magmatic intrusions (146–142 Ma) and ending with the emplacement of alkaline granitic intrusions and their exhumation at 142–120 Ma. Normal faulting during late Cretaceous–Cenozoic time exposed the Taihang Mountains. The earlier compressional deformation and the following volcanic and magmatic episodes were probably controlled by some far-field stress release associated with the subduction of the paleo-Pacific plate beneath the eastern Asian continent. After the orogeny, the structural evolution, sedimentation, and tectonic settings on the western side differ from those on the eastern side of the Taihang Mountain belt.
Taihang Mountain belt,, Mesozoic,, Tectonic evolution
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