volcanics的例句大全

Granite greenstone-hosted , meta-clastics-hosted , volcanics-subvolcanics hosted and sedimentary rock-hosted micro-disseminated gold deposits are of industrial value.

具有工业价值的金矿类型以花岗岩 - 绿岩型、变碎屑岩型 、 微细 浸染型 、 火山-次火山岩型为主.

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Rock fragments, including volcanics, are common, and the matrix consists largely of kaolin and illite.

常见有岩石碎块, 包括火山岩屑, 基质大部分为高龄土和伊利石.

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The subdivision has both scientific and practical significance on studying volcanics, geological structures and minerals.

火山岩分区的划分对火山岩 、 地质构造和矿产的研究具有重要的意义和实用价值.

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Marine volcanics of Early Ordovician was found in Zhifang region.

摘要纸房地区具有早奥陶世海相火山岩存在.

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The volcanics are most commonly andesitic in composition.

火山岩的组成最通常是安山岩.

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ReHeTai oil field has many oil-bearing strata, among them the volcanics is one the important reservoir.

热河台油田具有多套含油层系, 其中火山岩也是热河台油田的重要储层之一.

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Its petrochemical characteristics show that the volcanics was formed in oceanic island tectonic environment.

岩石化学特征表明火山岩形成于洋岛构造环境.

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Gold deposits in the Pingxiang area are controlled by faults and hosted in acid volcanics.

凭祥地区金矿床受断层构造与酸性火山岩的双重控制.

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With the evaluating result of single well, the plane classified chart of volcanics reservoir is drawn, the beneficial distributing area of reservoir is discriminated and distribution rule of each type of volcanics reservoir is revealed.

基于单井评价结果，绘制火山岩储层平面分级图，判别有利的储层分布区，揭示示各类储层分布规律。

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The geochemical characters mentioned-above indicate that potassic volcanics in study areas should be drived from enriched mantle sources.

上述特征表明这些火山岩来源于富集的地幔源区。

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The Palaeoproterozoic Erdaowa Group distributed in the north Hohhot, Nei Mongol is composed of metamorphic detrital sediment and carbonate with intermidiate basic volcanics.

出露于内蒙古呼和浩特北部的二道洼群，为一套陆源碎屑岩碳酸盐岩夹中基性火山岩变质建造。

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The volcanicity times are summarized, it provided basis for researching basin evolution, hydrocarbon generation, migration and accumulation. The volcanics fractured reservoir with a fair scale is discovered.

总结了该区火山岩活动期次，为盆地演化、油气生成、运移、聚集的研究提供了依据，并发现一定规模的火山岩裂缝油藏；

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