On earth , haematite usually forms in water , but not always ; one type forms at the high temperatures found in volcanoes 地球上,赤铁矿通常形成于水中,但也并非没有例外,特别的,火山的高温也能促成赤铁矿的形成。
The volcano iztacc huatl balances gracefully between earth and sky , as photographed from the north slope of its partner volcano popocat petl 从波波卡特佩特火山的北面看去,旁边的伊扎希瓦特尔火山正安详的睡在天地之间。
Found in french polynesia 165 miles ( 265 kilometers ) west of tahiti , the island of bora - bora is what remains of an ancient sunken volcano 发现于法国波利尼西亚165英里( 265千米)塔西提岛西部的波拉波拉岛是远古沉没火山的遗迹。
Once every nocturne year , some fifteen terran years long , the two worlds approach so closely that nocturne is almost torn asunder 每过一年,也就是十五个地球年,两个星球就会距离最近而导致那克土恩火山的大运动和地震的大爆发。
There are many volcanoes in just a small area , some with perfectly cone - shaped peaks constantly emiting smoke from their craters 中美洲火山众多,即使是一小块土地上也有许多火山。有些火山的顶端呈完美的圆锥形,火山口不断喷出烟雾。
These volcanoes are not just a part of the islands , but they actually make up the islands . because of these , the islands are still growing 这些火山不仅仅是海岛的一部分,它们实际上构成了海岛。由于这些火山的缘故,海岛还在不断扩大。
Discovering the silent earthquake on kilauea suggests that the volcano ' s south flank is on the move ? perhaps on its way to eventual obliteration 奇劳亚火山发生无声地震一事,暗示著火山的南侧正在移动或许,它正通往最终毁灭的道路。
They passed from sight , but soon the skies echoed to the clamour of battle , and the flames of the firedrakes licked the clouds of smoke that gathered over the volcanoes 他们慢慢的为人们视野所不及,但他们的战吼却刺穿了云霄和火山的烟雾。
The bulk of the volcano is basaltic , but the slopes are dotted with cones and lava flows consisting of glassy , silica - rich lavas called dacites 此火山的主体是玄武岩,但是山坡却点缀著由石英安山岩(一种玻璃质、富含矽的熔岩)形成的熔岩锥和熔岩流。
With the development of society , it will become more and more urgent that we observe and study on volcanic activity and reduce harmfulness for humans 火山喷发是一种严重的自然灾害。因此随着人类社会的发展,火山的监测与减灾日益成为一个迫切的议题。