经分析认为，泥火山的形成须具备泥浆源、断层通道和含天然气三大要素。
According to analysis, three factors should be existed during the forming of mud volcano, mud source, fault passage and natural gas bearing.
加拿大地球物理学家 Tuzo Wilson意识到，如果一块在内部固定火山源上移动的表面板块形成了岛屿，就会导致岛屿年龄增加。
Canadian geophysicist Tuzo Wilson realized that this age progression could result if the islands were formed on a surface plate moving over a fixed volcanic source in the interior.
火山活动所散发的热量和水是形成生命的两个基本条件。
Water and heat from volcanic activity are two basic conditions needed for life to form.
大约30亿年前，洪水形成了流出通道，大约与北部火山平原形成的时间相同。
Flooding shaped the outflow channels approximately 3 billion years ago, about the same times as the northern volcanic plains formed.
其他岛屿是通过如火山作用的地质作用形成的，没有陆地生命。
The other islands, which emerged via geological processes such as volcanism, possessed no terrestrial life.
数百万年后，强大的地质力量，比如海底火山，会掀起海洋沉积物，形成新的陆地。
After millions of years, powerful geological forces, like underwater volcanoes lift up the ocean sediments to form new land.
洞穴的形成需要火山气体和热量的稳定释放，海拔高到足以防止每年的大量降雪在夏季融化。
The cave-making recipe calls for a steady emission of volcanic gas and heat, a heavy annual snowfall at an elevation high enough to keep it from melting during the summer.
今天的火山是由地球形成早期被困在地球内部的气体所形成的。
Volcanoes today are the result of gases that were trapped in Earth's interior during the planet's early stages of formation.
这些火山没有一个是由于火星地壳板块之间的碰撞而形成的——火星上没有板块运动。
None of these volcanoes was formed as a result of collisions between plates of the Martian crust—there is no plate motion on Mars.
一个已形成的烟羽的表面标志是一个热点——一个远离表面板块边缘的火山和隆起地形的孤立区域。
The surface mark of an established plume is a hot spot—an isolated region of volcanoes and uplifted terrain located far from the edge of a surface plate.
第三种类型的山可能是由于火山活动形成的，一般发生在活动性褶皱带地区，如北美西部的喀斯喀特山脉。
A third type of mountain may be formed as a result of volcanic activity which occurs in regions of active fold mountain belts, such as in the Cascade Range of western North America.
当板块缓慢向西北移动时，新的火山岛就会随着板块的移动，在火山源处形成。
As the plate moved slowly northwest, new volcanic islands would have formed as the plate moved over the volcanic source.
魔鬼塔是过去的遗迹，当时地核的熔岩涌向地表，形成了火山的咽喉。
Devils Tower is a relic of the past, when the molten rock of the earth's core forced its way to the surface to form the throat of a volcano.
相反，它们是盾状火山——由熔岩形成的宽而倾斜的滑梯。
Instead, they are shield volcanoes — volcanoes with broad, sloping slides formed by molten rock.
相反，它们是盾状火山——由熔融岩石形成的宽而倾斜的滑坡。
Instead, they are shield volcanoes—volcanoes with broad, sloping slides formed by molten rock.
随着熔岩流动和扩散从而形成盾状火山，这座火山的最终高度取决于这座新火山支撑自身重量的能力。
As lava flows and spreads to form a shield volcano, the volcano's eventual height depends on the new mountain's ability to support its own weight.
与曾经是大陆性陆地的一部分的海洋岛屿不同，由火山作用等地质过程形成的岛屿只包含可以被运输到那里的动植物。
Unlike Oceanic islands that were once part of continental landmasses, islands formed by such geological processes as volcanism contain only plants and animals that could be transported there.
当海底火山将水下的岩石推到表面时，一个新的岛屿就形成了。
When an underwater volcano pushes submerged rock to the surface, a new island is created.
此外，撞击留下的大块物质会在主火山口周围形成二级火山口。
Also, large blocks thrown aside by the impact would form secondary craters surrounding the main crater.
有些火山岩被撞碎后会形成黑色的沙。
彩虹框架了坦桑尼亚伦盖伊火山特殊岩浆的形成。
Rainbows frame a peculiar lava formation at ol Doinyo Lengai, a volcano in Tanzania.
多数火山是在地壳联结点上形成的。
也正是这种脱落下来的泥土形成了泥火山。
It is from this sloughed-off land that the mud volcanoes form.
进出阿根廷和乌拉圭的国际航班因智利南部一座火山持续喷发所形成巨大的火山灰云层而再次被扰乱。
International flights to and from Argentina and Uruguay have been disrupted again by a huge ash cloud caused by an ongoing volcanic eruption in southern Chile.
希腊和意大利的许多岛屿都有休眠火山，西班牙的兰札洛堤岛也是经由火山喷发形成的。
Many of the Greek islands have dormant sites, as does Italy while the Spanish island of Lanzarote was formed by an eruption.
像宽干谷这样爆裂的火山口形成于蒸汽喷发的过程中，在那里，上升的岩浆与地表下的水接触形成了蒸汽喷发。
Volcanic explosion craters such as Dallol form during phreatic eruptions—where rising magma comes into contact with water beneath the surface of the Earth, causing a steam explosion.
地中海地区的火山，如埃特纳火山，从学术来说，并不需存在的，至少根据火山是怎样形成老的模型就是这样认识的。
The volcanoes of the Mediterranean, such as the explosive Mount Etna, technically shouldn't exist, at least according to the old model of how volcanoes grow.
然而，在那天的上午8点32份，在经过几周的小地震和蒸发沸腾以后，圣海伦火山的背面坍塌，形成了有史以来最大的一次山体滑坡。
But at 8:32 a.m. that day, after weeks of small earthquakes and belching steam, the north face of Mount St. Helens fell away, the largest landslide ever recorded.
这种独特的地貌形态通常与大洋中的火山岛相关，珊瑚礁最初在局部被淹没的火山锥周围形成。
This distinctive morphology is usually associated with oceanic islands formed by volcanoes; coral reefs become established around the partially submerged volcanic cone.
这种独特的地貌形态通常与大洋中的火山岛相关，珊瑚礁最初在局部被淹没的火山锥周围形成。
This distinctive morphology is usually associated with oceanic islands formed by volcanoes; coral reefs become established around the partially submerged volcanic cone.
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