您要查找的是不是:
- 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。
- Biotite is a subordinate constituent of the mafic and ultramafic rocks generally. 黑云母一般是镁铁质及超镁铁质岩石中的次要成分。
- THE EFFECT OF WATER ON BRITTLE-PLASTIC TRANSITION OF LOWER CRUSTAL MAFIC ROCKS 水对下地壳基性岩脆塑性转化影响的实验研究
- Keywords mafic rocks,late Mesozoic,genesis,geodynamics,Fujian Province; 基性(脉)岩;晚中生代;岩石成因;地球动力学;福建省;
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁,所以在这条河上航行很困难。
- The storm cast the little rowboat on the rocks. 风暴把这条小划艇抛到岩石上。
- The stricken tanker began to break up on the rocks. 油轮被击中后撞上礁石,毁了。
- These rocks are awash at high tide. 这些礁石在涨潮时被海水淹没。
- Rocks are worn smooth through the agency of water. 岩石由于水的作用而变得光滑。
- The waterfall is wearing away the rocks. 瀑布不断地冲蚀着岩石。
- The waves are lashing against the rocks. 波浪冲击着岩石。
- A fall of rocks blocked the road. 掉落的岩石把路封住了。
- The ship was battered against the rocks. 船被岩石撞坏了。
- The water frothed as it tumbled down the rocks. 水冲击在岩石上溅起了泡沫。
- Huge waves drove the yacht onto the rocks. 巨浪把游艇卷到岩石上。