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| 1 | 磁化率各向异性在火成岩中的应用显示文摘磁化率各向异性(AMS)表征岩石及其组成矿物的低场磁化率在不同方向上的变化.AMS以其高精度、经济省时和无损测量等优点,广泛应用于地学各个领域.火成岩原生的磁组构可用于分析岩石结构,指示熔岩流、火山碎屑流、浅成侵入岩以及深成岩体的岩浆流动方向、侵位方式和岩浆来源,研究岩石在侵位期间经历的构造事件,从而进行火成岩同构造侵位过程的研究;而利用次生磁组构则可分析岩石在侵位期后经历的改造作用.AMS结合传统岩石学、构造学方法,能有效解决特定的地质问题. | 潘小青 沈忠悦 石林权 张志亮 | 2014 | 地球物理学进展2014，29，3： | 6 |
| 2 | Late Mesozoic Tectonic Evolution of Southwestern Fujian Province,South China:Constraints from Magnetic Fabric,Zircon U-Pb Geochronology and Structural Deformation显示文摘A combined study of magnetic fabrics, zircon U-Pb geochronology and structural deformation was carried out for Late Paleozoic sedimentary and Mesozoic magmatic rocks in the southwestern Fujian rift basin, South China, aiming at deciphering the tectonic evolution during Late Mesozoic. Field observations showed that the Late Mesozoic structure deformations in southwestern Fujian were categorized into four phases: NW-SE compression, ENE-WSW extension, NNE-SSW compression and NNW-SSE extension, sequentially. Zircons picked out from Juzhou granite and WNW-trending diabase dykes showed complete crystal shapes and clear oscillatory zonings on their edges, and the U-Pb dating yielded ages of 132 and 141 Ma, respectively. The susceptibility ellipsoid magnitude parameters of the Juzhou granite are characterized by flaser type strain ellipsoid, with pole density center of K3 falling into the first and the third quadrants, these features revealed that the Juzhou granite formed in ENE-WSW compressional stress field, indicating the early stage of Early Cretaceous extrusion in southwestern Fujian. The late stage of Early Cretaceous NNE-SSW extension was limited by the widespread WNW-trending diabase dykes, which were usually regarded as important indications for a regional extensional setting. On the basic of the previous researches, structural deformation studies, and the deductions above, it can be concluded that southwestern Fujian experienced five main tectonic stages during Late Mesozoic: Early Jurassic extension, Middle–Late Jurassic thrusting, early stage of Early Cretaceous extension, late stage of Early Cretaceous compression and Late Cretaceous extension. | Sen Wang Da Zhang Ganguo Wu Xingjian Li Xiaoqiao Gao Absai Vatuva Yuan Yuan Tengda Yu Yu Bai Ye Fang | 2018 | Journal of Earth Science2018，29，2： | 4 |
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