...形不 规则，多孔 火山弹（ volcanic bomb）粒径＞50mm，各种炮弹形， 有冷凝收缩 裂纹，多孔 火山块（volcanic block）粒径＞50mm，棱角状 有各种火山碎屑物堆积并固结形成的岩石称火山碎屑岩 主要由火山灰组成的称凝灰岩 主要由火山砾和火...
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... volcanic explosion 火山爆发 volcanic block 火山地块,火山块... volcanic earthquake 火山地震 ...
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volcanic c block 火山块
以上来源于: WordNet
Volcanic ash, lapilli, block and bombs.
火山灰、火山砾、火山块和火山弹。
Based on volcanic activities and tectonic evolution, it is suggested that the tilted fault block, sliding structures in extensional setting should be developed in Cretaceous to Cenozoic age.
结合区域火山活动和构造演化认为，该滑动构造为伸展背景下的掀斜断块型，其滑动时间为白垩纪—新生代。
The volcanic activities have relations to the heat-flow upwelling, crust thinning, upper mantle and lower crust melting, and upward movement of the melt materials along the block boundaries.
火山活动与热流上涌、地壳拉伸减薄、上地幔及下地壳物质熔融并沿块体边界向浅部上移有关。
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