The volcanic type uranium deposits in East China basically occur in Jurassic and Cretaceous systems.
我国东部火山岩型铀矿床基本上都产在侏罗、白垩系中。
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.
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。
For the most likely type of volcanic eruption in Yellowstone, everywhere would be safe except in the immediate vicinity of the advancing lava flow.
在黄石火山爆发最有可能的类型,到处是安全,除非在推进熔岩流附近。
The main rock type of the volcanic rock is trachyandesite with small amounts of trachyte, basaltic-trachyandesite and leucite basaltic-trachyandesite.
火山岩主要岩石类型为粗安岩,少量粗面岩、玄武粗安岩、白榴石玄武粗安岩;
The characters of the abrupt geothermal anomaly concern many factors such as geological structure, cause of volcanic formation, volcanic scope and type.
火山区的突发性地热异常特征与火山区的地质构造、火山成因、规模、类型等多种因素有关。
Sandaogou gold ore is the deposit of new type which is found in the middle of the umbo in Jiamusi these years, the district is volcanic in Mesozoic.
三道沟金矿是近几年来在佳木斯隆起带中部,中生代火山岩地区发现的新类型矿床。
The characteristics of volcanic activity with the time have been analysed and eruptive frequency, eruptive type, present activity have been shown in this paper.
分析了我国现代火山在时间上的活动特点。喷发频率、火山喷发类型及其现代活动表现。
With the discovery of volcanic oil-gas pools, volcanic rock reservoirs, a special oil-gas reservoir type, are paid more and more attention in these days.
随着国内外火山岩油气藏的发现,火山岩储层作为一种特殊的油气储层类型越来越受人们的重视。
Here we used Wavelet and spectral analysis to different kind seismic waves in volcanic area, in order to pick up their spectral character and determine the type of these earthquakes.
本文对火山区不同种类的地震波形运用小波分析和频谱分析的方法,希望能提取不同类型火山地震的一些频谱特征,确定火山地震的类型。
Different stages have different volcanic regimes, eruptive intensity and volcanic structural type.
不同期次具有不同的火山活动方式、喷发强度及火山结构类型。
Uranium deposits of both volcanic and granite type are studied as the systematic process of tectonic evolution-magmatism-metallogenic fluid action in South China.
从构造演化—岩浆作用—成矿流体系统将火山岩-花岗岩型铀矿作为统一体开展成矿作用研究。
The continental volcanic rock type gold deposits are the most important, particular and prospective new type of gold deposit in Xinjiang.
陆相火山岩型金矿目前是新疆最为重要也最富有特色和发展前景的金矿新类型。
Combined with the surrounding volcanic rocks, intrusive rocks and strata, the Taima rock body is considered as a dome of the central part of the central fissure type volcanic structure.
结合台马碎斑熔岩与周边火山岩、侵入岩、地层的关系,认为它是早—中三叠世中心裂隙式火山构造中央部位侵出的穹状岩脊。
The geochemical characteristics of the metabasalt agree with those of continental rift type volcanic rocks, forming a tectonic environment of the active shelf rift basin.
变质玄武岩的地球化学特征与大陆裂谷型火山岩一致,形成于活动陆棚裂陷(谷)盆地的构造环境。
The study of geochemistry indicates that these metabasic volcanic rocks are characterized with N-type MORB (mid-ocean ridge basalt).
地球化学研究表明,其为典型的大洋拉斑玄武岩(MORB型玄武岩)。
This is the first ore deposit of such type found in volcanic rocks of the Xiong 'er Group in Henan.
这是在河南熊耳群火山岩中首次发现的该类矿床类型。
The petrochemical type of the Caijialing volcanic rocks couldn't belong to the potassic basaltic rock series.
在化学成份上,蔡家岭组火山岩不属于钾玄岩系列。
The rhyolites in the Upper Luliang Group of Shanxi Province of China are Palaeoproterozoic A-type volcanic rocks.
山西吕梁群流纹岩是一个古元古代的弱碱性火山岩。
There exist two types of volcanic-intrusive complexes in Jiangxi Province: remelting-type of continental crust and syntectic type.
江西地区存在陆壳重熔和同熔两种类型火山侵入杂岩。
The deposit is a shear belt-hosted altered rock-type gold deposit in the volcanic rock area.
该矿床的成矿物质具深源性,主要来自上地幔或下部地壳,是一种火山岩区剪切带蚀变岩型金矿床。
Xiangshan uranium ore field in Jiangxi Province, as one of the biggest volcanic-type uranium ore deposits in China, is the major domestics uranium mining recently.
相山矿田是我国目前最大的火山岩型铀矿田,也是国内目前主要的铀矿产地之一。
And the crust continued to be extensional during the Late Cretaceous and Tertiary period resulting from the volcanic sedimentary association with the rift type characteristics.
晚白垩世—第三纪地壳继续处于拉张松弛环境,形成以裂谷环境为主要特征的火山—沉积岩石组合。
The fractionation of LREE is very intense and with the evident negntive anomaly of Eu. The Muchang A-type granite is a congeneric product with the Upper Permian volcanic sequences formed by the mix…
木厂A型花岗岩与上二叠统火山岩系具同源性,乃玄武岩浆与陆壳局部重熔岩浆的混合物。
The fractionation of LREE is very intense and with the evident negntive anomaly of Eu. The Muchang A-type granite is a congeneric product with the Upper Permian volcanic sequences formed by the mix…
木厂A型花岗岩与上二叠统火山岩系具同源性,乃玄武岩浆与陆壳局部重熔岩浆的混合物。
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