火山的

Xiangshan volcano-intrusive complexes is the wall rock of the biggest volcanic-rock uranium ore deposit in China, and the main body is rhyolitic porphyroclastic lava, accompanied by hypahyssal or ultra-hypabyssal intrusive rocks such as dacite-porphyry and granite-porphyry Jiulongzhang volcano-intrusive complexes are dominantly rhyolitic welded tuff, accompanied by dacite-porphyry and quartz monzonite-porphyry, and so on, and the uranium resources are being assessed.

相山火山－侵入杂岩是华南地区最大的火山岩型铀矿赋矿围岩，其主体岩石为流纹质碎斑熔岩，浅成－超浅成侵入岩有英安斑岩、花岗斑岩等；九龙嶂火山－侵入杂岩的铀资源潜力尚待评价，主体岩石为流纹质熔结凝灰岩，浅成－超浅成侵入岩有英安斑岩、石英二长斑岩等。

Their lithologic types are dominated by vitric tuff, vitric crystal tuff and medium-fine tuffy sandstone, and their genetic types mainly belong to complicated type of the airborne-water-carried and the airborne type.

火山事件层的岩石类型以玻屑沉凝灰岩、玻屑晶屑沉凝灰岩和凝灰质中细粒砂岩为主。火山事件沉积的成因类型以空降－水携复合型和空降型为主。

Spectrum analyses have been done to 24 microseisms occurred in Tengchong volcan o areas and nearby by digital data recorded at mobile seismic stations.

利用腾冲火山地区流动数字化地震台网的微震资料，对发生于火山区内及附近地区的24个微小地震事件进行波谱分析。

From the small number of impact craters that appear on Martian lava flows, one can estimate that the planet was volcanically active as recently as a half-billion years ago –and may be active today.

太空探测照片显示火星表面存在大型火山，从火星上镉岩层流中出现的小数量的环形山来看，我们可以估计5亿年前此星上还有火山运动——甚至今天还在运动。

The volcanic earthquake mainly has two kinds: One kind when is volcanic eruption, because the rock magma impact earth's crust or causes the earthquake which the local area rock layer occurs distorts and dislodges causes.

火山地震是由火山爆发而引起的。火山地震主要有两种：一种是火山爆发时，由于岩浆冲击地壳或使局部地区岩层发生变形和变位而引起的地震。

Such sights are uncommon as many eruptions simply see ash and rock blasted into the sky.

这种景观对于斯特龙博利火山来说不是常见的。以前斯特龙博利火山爆发时只是出现火山灰和岩石喷上天空的景象。

Based on the analysis of deposit genetic type in the metallogenic belt,the metallogenic series has been put forward,that is volcanic-subvolcanic hydrothermal and porphyry type Au-Cu and Mo-Pb-Zn-Ag metallogenic series .

在分析成矿带内不同矿床成因类型的基础上，建立了该成矿带的成矿系列：火山、次火山热液-斑岩型金铜及钼铅锌银成矿系列。

The epithermal gold deposits in East China can be divided into low-sulfidation and high-sulfidation types, which are related to granitic and alkaline series magmatic rocks.

这些金矿的形成和分布受区域构造制约，具体地说是受破火山口、火山角砾岩筒以及与火山机构有关的断裂控制。

S o the fires to make containers from the volcanic clay must be hotter, they toughs use form than those used for non-volcanic clay.

用火山粘土来制造容器的烧制温度必须比非火山粘土的烧制温度要高很多，其温度有可能要达到 1400 ℃。

This paper expatiates on the hazards of volcanic falling tephra, and demonstrates the pratical importance of making program for forecasting the risk of volcanic falling tephra.

简述了火山空降碎屑灾害的危害性，指出研制火山空降碎屑灾害预测软件包的实际意义。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。