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   8805      
 
  •    

     

     地壳crust
     地幔mantle
     地核core
        大陆型地壳continental crust
       海洋型地壳oceanic crust
     花岗岩granitic rock
     玄武岩basaltic rock
     莫霍面Moho
       地壳的根部crustal roots
            地幔的塑性层(软流层)plastic layer(soft layer)
       重软流圈asthenosphere
     岩石圈lithosphere
    剪切(切变)shearing
     岩石板块lithos pheric plastes
     活动构造tectenic activity
     构造学tectonics
       主岛弧primary arcs
       环太平洋带circumpacific belt
     岛弧island arcs
     --  --  欧亚 --美拉尼西亚带Eurasian --Melanesian belt
      高山系列alpine system
      深海沟oceanic trenches
     地震carthq uake
     断层作用faulting
     段层面fault plane
     正常断层normal fault
     断层崖fault scarp
     横推断层transcurrent fault
    断裂rift
     岩石应变strain of rock
       弹性限度elastie limit
     震源focus
     震中epicenter
      地震波seismic waves
       P  初波primary waves
     纵波longitudinal wave
       S  次波secondary waves
     横波transverse wave
     表面波surface waves
      地震仪seismograph
        地震波曲线seismogram
       里氏震级Rich --ter scale
      洋盆ocean basine
       大陆边缘continental margins
     洋盆底ocean -basin floors
      中央海岭mid -oceanic ridge
      大陆坡continental slope
      大陆斜坡continental rise
       深海平原abyssal plain
      海底山seamounts
     断裂轴axial rift
      海底扩张sea-floor spreading
      地磁轴geomagnetic axis
        北,南磁极north,south magnetic pole
      发电机原理dynamo theory
      古地磁paleomagnetism
      地磁倒转magnetic anomalies
         正向,反向期normal reversed epoch
      地磁异常magnetic anomalies
     板块构造plate tectonics
    消亡subduction
      大洋岩圈oceanic lithosphere
       大陆岩圈continental lithosphere
      热对流
       大陆碰撞continental collision
    接缝suture
       大陆缝合continental suturing
     地盾
      大陆破裂continental rupture
      地幔突起mantle plume
     裂谷rift valley