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- The discriminant figures of tectonic setting show that the mafic rocks was formed in seamount setting. 通过地球化学图件判别,认为该基性杂岩形成于洋中脊的构造环境。
- The mafic rocks of the Early Palaeozoic ophiolite are mainly N-MORB, minorly T-MORB. 早古生代蛇绿岩中辉长岩、辉绿岩和玄武岩等镁铁质岩主要具N-MORB性质,少量具T-MORB性质。
- Their geochemical characteristics of trace elements and Nd and Sr isotopes show that these mafic rocks erupted in a back-arc basin. 根据镁铁质岩的层位关系、岩浆来源和微量元素特征,可将该盆地的地质演化概括为扩张阶段和封闭阶段。
- The mafic rocks are geologically and chemically similar to the Permian Emeishan continental flood basalts and have experienced no mineralization, with normal content of ore-forming elements. 后者在地质特征和地球化学特征上与峨眉山玄武岩相似,成矿元素含量正常。
- Those shear zone not only contvol the distribution of subvolcanic (such as mafic rocks and dioritic porphrite), but also provide a good oreforming place for Wulonggou, Tuoketuo goldcopper deposits. 是具隐爆特征的镁铁质岩-闪长玢岩组合的浅成杂岩体和五龙沟、托克妥金、铜矿床的导岩、导矿通道及赋存场所。
- At present, mafic rocks from the lower crust in the Dabie Mountains or even in the northern Yangtze plate have been scarce, which may be delaminated and recycled into underlying convecting mantle. 大别山造山带乃至扬子板块北缘现今缺乏厚层镁铁质下地壳,它们也很少出露地表,推测这些俯冲的镁铁质下地壳可能已拆离再循环进入地幔。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年,长大后成了地质学家。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- FRICTION CONSTITUTIVE PARAMETERS OF MAFIC ROCK AND POSSIBILITY OF EARTHQUAKE NUCLEATION IN THE LOWER CRUST 基性岩摩擦本构参数与下地壳地震成核的可能性
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- The mountain rise up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- He chiseled that rock into the figure of a woman. 他把那块石头凿成一个女人像。
- The boat was sundered by the rock. 船被岩石撞碎了。
- Deep grooves channelled the soft rock. 在软岩石上形成许多深槽。
- The mason was chipping away at the rock with a hammer. 石匠用锤子一点一点地把那块石头击碎。
- She is crazy about rock and roll. 她喜欢摇滚乐。