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- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
- This is unlike volcanic activity above the sea. 这同高出洋面的火山活动是不同的。
- Volcanic activity formed seamount and sea bill. 火山作用形成海山、海丘。
- Northern Xinjjiang is characterized by complicated geologic structure and intense volcanic activities of Palaeozoic. 新疆北部地质构造复杂，古生代火山活动很强烈。
- The distribution of volcanic rocks in Mohe are extensive.There are three periods of volcanic activities in this region. 漠河地区火山岩分布较广泛，共有3期火山活动。
- Such voluminous and rapid volcanic activities in Phanerozoic have commonly been thought to be a cause for zoobiocenose extinction . 在显生宙地球历史中，如此巨大且迅速的火山作用普遍被认为是巨大种群灭绝的原因。
- A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity. 地震由于地质断层积聚的压力被释放或由于火山活动引起的地壳的突然变动
- A raising of the land resulting from volcanic activity. 火山活动导致的陆地上升。
- Mesozoic volcanic activities of the Tan Lu fault zone mainly appeared in Early Cretaceous and resulted in a set of volcanic rocks characterized by shoshonite series. 郯庐断裂带中生代火山活动主要发生在早白垩世,形成了一套以橄榄安粗岩系为主的火山岩。
- Active faults and lineaments, and recent volcanic activity were re-examined. 对活断层，线状区和近代火山活动都重新作了研究。
- Plate boundaries are often rich in earthquakes and volcanic activity. 板块边界往往出现在在地震和火山过程中。
- Strong volcanic activities, and diversified and extensively-outcropping volcanics appear in Xinjiang. 摘要新疆火山活动强烈，火山岩类型多，出露广泛。
- All evidences indicate that the lava flow, tephra, ash and toxic gases of the volcanic activities are the main factors that caused the biological hazard and the fossil preservation of "Jehol Biota" in Sihetun and the adjacent area. 种种迹象表明 ,四合屯及其周边地区的义县组火山活动所产生的熔岩流和有毒、有害气体以及频繁爆发的火山灰等是造成热河生物群灾难事件并使其得以保存的主要因素
- Earthquakes commonly accompany volcanic activity on movement of magma deep in the earth. 地震通常都伴随着火山活动或地球深处的岩浆运动。
- The only apparent building process that the early earth scientists could detect was volcanic activity. 早期地质学家所能发现的唯一明显的构造作用就是火山活动。
- Craters resembling those on the moon are produced on the earth both by volcanic activity and by meteoric impact. 由于火山爆发和陨星的撞击，类似于月球上的环形山地在地球上产生了。
- At the Galapagos Rift, volcanic activity beneath two geologic plates renews the earth's crust. 在加拉帕戈斯裂谷，两地质板块下面的火山活动使地壳更新。
- Earthquake:a sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity. 地震:由于地质断层积聚的压力被释放或由于火山活动引起的地壳的突然变动.
- The sand, which is formed by dark green crystals called olivine, is brought to the surface by volcanic activity. 这片绿沙由称为橄榄石的墨绿色结晶体形成，被火山活动带到地表。
- Craters resembling those on the moon are produced on the earth both by volcanic activity and by meteoric impact . 由于火山爆发和陨星的撞击，类似于月球上的环形山地在地球上产生了。
