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。
The method takes the manganese slag as the lightweight aggregate to be mixed with the volcanic tuff stone powder, the fly ash and the cement, thus producing the wall block by pressing.
本发明方法以锰渣作为轻骨料与火山凝灰岩石粉、粉煤灰和水泥混合压制成墙体砌块。
The reservoir in block Niudong in Santanghu oilfield is a fracture - porosity volcanic reservoir.
三塘湖油田牛东区块属裂缝-孔隙型火山岩油藏。
Volcanic ash can clog up and damage jet engines while the tiny particles of glass in the ash can also melt and block the ventilation holes which can cause the engines to overheat and stop working.
火山灰中的细小玻璃态物质，会融化然后堵塞住散热孔，导致引擎过热熄火。
Volcanic ash can clog up and damage jet engines while the tiny particles of glass in the ash can also melt and block the ventilation holes which can cause the engines to overheat and stop working.
火山灰中的细小玻璃态物质，会融化然后堵塞住散热孔，导致引擎过热熄火。
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