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Ore deposit, have been studied detailly; the orebody pattern (sedimental bedded ores combined with stringer ores of hydrothermal origin) is also outlined; four metallogenic epoches are devided; the zoning of mineralization (including zones of ores, elements, mineral assemblages and temperature of mineralization) have been depicted; the main types of wall-rock alteration are characterized as propylitization of basic rocks and pyritization-sericitization-silicification of acidic pyroclastic rocks; the origin of ores and seven kinds of main minerals have been studied; and the metamorphism and deformation of orebodies is thought mainly due to the shearing and the intrusion of subvolcanic rocks

研究了七个矿化带特别是I号矿床的矿床地质特征，描绘了矿体的双层结构(沉积矿石与热液充填交代的细网脉状矿石)，划分了四个成矿期次，区分了矿化分带(包括矿石组构的成因分带、元素分带、矿物组合分带、温度分带)，指出了围岩蚀变的主要特征是细碧岩青盘岩化而石英角斑质凝灰岩黄铁绢英岩化；对矿石及七种主要矿石矿物的成因作了研究；探讨了矿体的变质、变形，指出韧性剪切及次火山岩侵入的热力作用和应力作用是导致矿体变质变形的主要原因

Under the action of which pyrogenic rocks, volcanic complex, aqueous rocks, sedimentary rocks etc.

在这些作用下，形成了火山岩，火山复合岩，水成岩及沉积岩

Under the action of which pyrogenic rocks, volcanic complex, aqueous rocks, sedimentary rocks etc.

它包括火成岩、火山混合岩、水成岩、沉积岩等多个种类。

Under the action of which pyrogenic rocks, volcanic complex, aqueous rocks, sedimentary rocks etc., come into being

在上述地质变化的作用下，形成了火成岩，双向火山杂岩，水成岩和沉积岩等。

Under the action of which pyrogenic rocks, volcanic complex, aqueous rocks, sedimentary rocks etc., come into being

在这些条件的作用下就形成了岩浆岩，火山混合体，水成岩，沉积岩等等。

Under the action of which pyrogenic rocks, volcanic complex, aqueous rocks, sedimentary rocks etc.

火成岩、火山混合岩、水成岩、沉积岩等各类岩石。

Geological and geochemical characteristics of the Early Ordovician volcanic rocks from North Qilian Mountain show that they are of the basalt-andesite association with no acid rocks or volcanic rocks of the shoshonite series.

早奥陶世阴沟群火山岩的地质－地球化学特征的研究结果表明，该期火山岩的岩石组合为玄武岩－安山岩组合，缺乏酸性火山岩和橄榄玄粗岩系列火山岩。

Studies of petrology and petrochemistry indicate that such suit of volcanic rocks dominated by lattite belongs to shoshonite series to potassic alkali basalt series. Considering the stability of rocks and their associations, gentle stratum occurrence, fresh degree of rocks and comparatively clarity of horizons. this potassic volcanic stratum distributed over the Sailipu area is named as Sailipu Formation, and the age of which is early middle Pleistocene of Quaternary.

岩石学、岩石化学研究表明，这套火山岩是以安粗质熔岩为主的钾玄岩系列－钾质碱性玄武岩系列火山岩，岩石类型及岩石组合稳定，岩层产状平缓，岩石新鲜，层位相对清楚，故将其命名为赛利普组，属第四纪早－中更新世。

The second intrusive rocks (the representative rocks: Tiantangzhai and Jiuzihe granites) are high-k calc-alkaline and a few are shoshonite rock series, Tiantangzhai and Jiuzihe intrusive rocks show respectively metaluminous and transitional charaterastics between metaluminous and peraluminous.

第二期侵入岩(以天堂寨、九资河侵入岩为例)为亚碱性的钙碱性岩系，多数属于高钾钙碱性岩系，少数为钾玄岩系。

The distinctive features of volcanic rocks, especially the spilite, illustrates that mantle plume or hotspot with small scale might be the essential origin of a series geologic events such as the extension of crust, the interval eruption of submarine bimodal volcanic rocks especially the increasing eruption of basic rocks, and the mineratlization of Ashele mine

认为成岩、成矿背景属裂陷拉张环境，火山岩尤其是细碧岩具有五大特殊性，初步提出了热点作用是导致地壳拉张、双峰式火山岩间互喷发、从早到晚基性火山作用趋于增强、以及成矿作用等一系列地质事件的深层次原因的看法

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？