Volcanic activity has created thermal springs and boiling mud pools.
火山活动产生了温泉和沸腾的泥浆池。
The 1980 volcanic eruption of Mount Saint Helens, for example, sent mud and debris into several tributaries of the Columbia River.
例如，1980年圣海伦斯火山爆发，导致哥伦比亚河的几条支流产生泥石流现象。
The sample consisted of pebbles of hardened sediment that had once been soft, deep-sea mud, as well as granules of gypsum and fragments of volcanic rock.
这一样本包括曾经柔软的的硬化沉积物的卵石、深海淤泥以及石膏颗粒和火山岩碎片。
Volcanic gases and magma heat the groundwater, turning it in a hot acid that dissolves rock into a slurry of mud and clay.
火山气体与岩浆加热地下水，使之变成一种高温的酸性水，将演岩石溶解为泥浆。
"We heard two loud bangs... the sky was filled with dust like a volcanic eruption, and flood waters, mud and rocks streamed onto the roads," she said.
“我们听到两声巨响…天空一片尘土，就像是火山喷发，然后洪水、泥浆夹杂着岩石倾泻到公路上，”她说。
Tourists in sign under the guidance of can watch tower to uw Mr Doppler inaccessibly sulphur mud fountains and seven colors volcanic lake wonders.
游客在标牌的指引下可到怀奥塔普观看难得一见的硫磺泥浆喷泉和七色火山湖奇观。
A special feature of the north island is the central volcanic region with three still active volcanic peeks and internal activity featuring hot springs, geysers, and boiling mud pools.
北岛富有特色的地形风貌莫过于有着三座活火山的中部火山区，以及以热泉、歇泉和沸腾的泥浆为特征的地热活动。
The lake, named after the swarms of gnats that breed around it, is surrounded by wetlands and volcanic landforms, including lava fields, lava pillars, volcanic cones, and boiling mud flats.
这座湖以其生长在四周的成群蚊蚋而命名，身处湿地和多种火山地貌之中，如熔岩荒野，熔岩柱，火山锥和沸腾的泥潭等。
The sky was filled with dust like a volcanic eruption, and flood waters, mud and rocks streamed onto the roads, " she said."
“我们听到两声巨响…天空一片尘土，就像是火山喷发，然后洪水、泥浆夹杂着岩石倾泻到公路上，”她说。
The sky was filled with dust like a volcanic eruption, and flood waters, mud and rocks streamed onto the roads, " she said."
“我们听到两声巨响…天空一片尘土，就像是火山喷发，然后洪水、泥浆夹杂着岩石倾泻到公路上，”她说。
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