volcanic ash.
山灰
山的；由山作用引起的山的；由山构成的山似地，猛烈地山岩；成岩；山碎屑岩山喷发山活动；山活动
山灰山岛山角砾岩山玻璃（又称松脂石，山熔岩急冷时形成的天然玻璃）；黑曜岩山口，山道volcanic ash.
山灰
a volcanic peak; volcanic islands.
山峰；山岛
submarine volcanic activity.
海底山活动。
upcast volcanic ash.
向上喷出的山灰
a chain of volcanic islands
一
山岛
these lavas were coeval with the volcanic activity.
这些山岩和那次山活动是同时期的。
volcanic activity is highly episodic in nature.
山活动实际上极具偶然。
covered by a light fall of volcanic ash
被落下的一层薄薄的山灰覆盖
The place was recently visited by a serious volcanic eruption.
这地方最近发生了一次严重的山爆发。
the islands were volcanic rather than coralline in origin.
这些岛屿起源于山而非珊瑚礁。
successive eruptions of lava from volcanic cones.
山锥熔岩的不断喷发。
volcanic eruptions spread dust high into the stratosphere.
山喷发把灰尘高高地撒向同温层。
the kind of volcanic passion she'd felt last night.
昨晚她所感到的那种强烈激情。
The waves beveled a volcanic island.
波涛径直从一个山岛上翻腾过去。
There have been several volcanic eruptions this year.
今年山爆发了好几次。
Rotorua is known for its volcanic thermal vents creating pools of plopping volcanic mud at the Wai-O-Tapu Thermal Park.
罗托鲁瓦因其在香槟湖地热公园内冒着山泥的山地热喷泉而闻名于世。
The study shows that Cretaceous volcanics mainly consist of medium acidic volcanic lava and volcanoclastic rocks, with locally developed basic lava;
结果认为，白垩纪山岩以
山熔岩和山碎屑岩为主，局部发育基熔岩；
The deformation belts are formed by Late Carboniferous rocks, mainly mylonitization volcanic rocks and volcanic clastic sedimentary rocks.
变形带由下石炭统干墩组组成，为一套糜棱岩化山岩、山碎屑沉积岩。
The place was recently visited by a serious volcanic eruption.
这地方最近发生了一次严重的山爆发。
The deformation belts are formed by Late Carboniferous rocks, mainly mylonitization volcanic rocks and volcanic clastic sedimentary rocks.
变形带由下石炭统干墩组组成，为一套糜棱岩化山岩、山碎屑沉积岩。
The islands are volcanic.
这些岛屿是由山构成的。
Kezlag rock formation whose mother rocks are greywacke is basinal deposit, Karakez rock formation's protolith is island arc volcanics.
克孜拉格岩组原岩为杂砂岩，属盆地沉积；卡拉格兹岩组原岩为岛弧山岩。
Rotorua is known for its volcanic thermal vents creating pools of plopping volcanic mud at the Wai-O-Tapu Thermal Park.
罗托鲁瓦因其在香槟湖地热公园内冒着山泥的山地热喷泉而闻名于世。
We do the thermoluminescence research systemly for deep volcanic rocks section, this will possibly demarcate eruptible gyration and evolvment character.
4、对巨厚的山岩剖面进行系统的热释光研究,可能标定其喷发旋回和演化特征。
A young silverback mountain gorilla poses on the rim of a volcanic crater with a lake below in the background.
一只尚属幼年的银背大猩猩正站在山口上，直视镜头，身后是一汪湖水。
Perlite, obsidian and pitchstone are volcanic glass having the same compositions commonly with rhyolite as well as andesite and basalt.
珍珠岩、黑耀岩和松脂岩等玻璃质熔岩以为主，基者也常见。
The present application of the nuclear log to the studies of the volcanic rocks and superpressure metamorphic rocks is outlined.
最后略述当前成岩和超高压变质岩地层研究核测井的应用。
Regional volcanic strata are the source of placer gold and laterization process is the main stage of formation of placer gold.
区域山岩地层是砂金的矿源，地表赤红壤化可能是砂金形成的主要阶段。
Zhaocun bentonite deposit oringnated from tuff rich in volcanic hyalocrystalline,which underwent hydrolysis and alteration in Changxing county,Zhejiang province.The deposit has middle scale.
浙江省长兴县赵村膨润土矿是由富含山玻璃质的凝灰岩原地水解蚀变形成的膨润土矿床,矿床具型规模。
Volcanicity was violent during the Early Carboniferous in Santanghu region.The volcanic rocks consist of basalts,andesites and dacite liparite,with andesites playing the main part.
三塘湖地区早石炭世山活动强烈，发育以安山岩类为主的玄武岩、安山岩、英安流纹岩的岩石组合。
The alabandite and getchellite of hydrothermal origin, cement anatase of alkaline volcanic origin, and the high content of chlorite in coal were fist found in coals.
在西南地区晚二叠世煤首次发现了热液成因的硫锰矿和硫砷锑矿、碱山灰成因的胶态锐钛矿和陆源碎屑成因的斜绿泥石。
In order to determine the time sequence of recent eruption in Tianchi volcano, the TL thermal-stability has been investigated for pumice and sanidine phenocryst within the volcanics.
为厘定天池山近代喷发的时序,对碱流岩的浮岩和透长石斑晶进行了热释光(TL)信号热稳定研究。
The volcanogenic deposits hosted in differential yolcanic rock series and cogenetic deposits hosted in undifferential baste volcanic rock series have been divided and studied in this paper.
笔者通过研究，分出了分异山岩系的山成因矿床和未分异基山岩系的共生矿床，认为前者的金属聚集与岩浆分异有密切关系。
The study of petrology, mineralogy and geochemistry suggests that augite latite and augite monzonite are cognate, belonging to the upper and root parts of the volcanic dome respectively.
岩石、矿物地球化学的研究表明，辉石粗安岩与辉石二长岩同源，分别为山穹窿的上部和根部。
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