在分析岩浆活动特征及其形成的构造环境的基础上，探讨了研究区沉积岩系及其中有机质的热变质作用。
The authors made a discussion on the thermometamorphism of sedimentary rocks and their organic matters in the area, according to the magmatic activities and their tectonic environment.
煤层气的保存则取决于顶底板的封盖能力、构造活动、水动力环境等条件。
The preservation of CBM pool is mainly controlled by the sealing capacity of roof and floor plate, tectonic activity and hydrodynamic environment.
变质玄武岩的地球化学特征与大陆裂谷型火山岩一致，形成于活动陆棚裂陷（谷）盆地的构造环境。
The geochemical characteristics of the metabasalt agree with those of continental rift type volcanic rocks, forming a tectonic environment of the active shelf rift basin.
海槽玄武岩构造环境属于过渡洋中脊玄武岩 （张性 ）与岛弧玄武岩 （压性 ）之间 ，代表的仍是海槽早期的岩浆活动。
The tectonic settings of the basalts are transitional between MORB (tensile) and IAB (compressive), still representing the earlier stage of magma activities in the Okinawa Trough.
其形成环境为构造活动带。
不同的构造环境下地震活动时空分布特征具有较大差异。
In general, st distribution of earthquakes is associated with tectonic Settings.
同时，侵入岩浆的强烈活动也是本区构造环境由挤压向伸展转换的标志。
The intrusive magmatic activities were indicators of the tectonic setting which changed from compression to extension.
地震活动与小震精定位能够反应区域构造信息，与地壳介质各向异性方向的区域应力环境相对应。
Seismic activity and seismic relocation can show the regional structure information, which just correspond to the structure information shown by seismic anisotropy in crust.
在晚古生代岛弧带、弧前海沟带、弧后盆地或陆缘活动带等构造环境下发育有不同的火山岩组合。
Under the tectonic backgrounds of island arc belt, fore - arc trench belt, back - arc basin, and epicontinental active belt of late Paleozoic, it has different volcanic rock characteristics.
不同构造环境下不同构造单元地震活动差异性很大。
The seismicity in different blocks under different tectonic conditions is diverse.
西昆仑以其强烈的构造变形、频繁的岩浆活动、漫长的地质演化历史及特殊的大地构造环境而具有得天独厚的成矿地质条件。
Magmation was frequent, tectonic deformation was violent, the history of geological evolvement was long and geological condition of producing mineral was good in West Kunlun.
不同时间尺度的湖泊环境变化分别受到构造、气候与人类活动三个方面的驱动机制的影响。
The changes in lake environment on the different time-scale are resulted from the tectonic movement, climatic change and human impact respectively and meanwhilely.
燕山晚期花岗岩形成于陆内裂谷环境。 4、研究表明区域构造格架和岩石圈结构主要控制了中生代花岗岩浆活动。
The regional structure framework and the lithospheric structure play an important role in controlling the Mesozoic granitic magmatic activities.
这一动物群的更替事件受到当时沉积环境变迁和区域构造活动的制约。
This fauna replacement event was under the control of the variations of sedimentary environments and regional tectonic activities.
我国海岸带地质环境，具有构造活动性强、入海泥沙大、多风暴潮、人工环境非常突出等特征。
Coastal geologic environment of China is characterized by strong tectonic activities, huge silt discharge into sea, frequent surges, and prominent artificial environmental features.
我国海岸带地质环境，具有构造活动性强、入海泥沙大、多风暴潮、人工环境非常突出等特征。
Coastal geologic environment of China is characterized by strong tectonic activities, huge silt discharge into sea, frequent surges, and prominent artificial environmental features.
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