沙波具有一定的活动性,主要由SE向NW方向移动,且活动性逐渐减弱。
The sand waves move to some extent, with the main direction from SE to NW, yet this trend is gradually becoming weak.
文中还探讨了中国大陆主要成矿域岩石圈的现今活动性,以及地壳厚度、壳内低速层、“墙式”地震剪切波垂向低速带和下地壳底部高速层(体)的分布特征以及与成矿作用的关系。
The horizontal low velocity layer, the vertical low velocity zone and the high velocity layer in the basement of the lower crust are related to the ore_forming processes.
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