Mainly is basalt and tuff, secondly become for the alteration basalt and andesite.
主要为玄武岩和凝灰岩, 其次为蚀变玄武岩和安山岩.
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Its heat reservoir is composed of Yanshanian granite-porphyry and tuff of Mesozoic.
热储由中生代燕山期花岗斑岩、凝灰岩组成.
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The tuff is a kind of predictable and new-type nonmetallic minerals resource.
凝灰岩是一种可预见的新型非金属矿产资源.
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Mountain mainly by rhyolite and tuff composition, there are local granite.
山体主要由流纹岩和凝灰岩构成, 局部有花岗岩.
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矿产资源丰富, 有花岗石 、 凝灰岩 、 大理石等15种 非金属 矿和金属矿.
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本文系统讨论了黔西南凝灰岩型金矿的层控特征.
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None the less, quickly he came back tuff in 2001 with courage and determination.
很快他依然带着勇气与坚定在2001年再次回归.
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The thrid part are tuff, ferruginous dolomite, crystal tuff and volcanic breccia.
第三段以凝灰岩、铁质白云岩、晶屑凝灰岩、火山角砾岩为主。
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Contemporaneous volcanic activity is represented by basic to intermediate lava and tuff.
同时期的火山活动性是由中性熔岩与凝灰岩呈基性而体现出来的.
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首次利用热释光技术标定了杂色砾岩层为区域同期沉积的标志层,其上部出现的多层凝灰岩具有相似的热释光参数;
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岩石类型为流纹岩、英安岩和沉火山碎屑岩,其中的熔结角砾凝灰岩是本次1∶5万区调中的新发现。
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Testing Study on mechanical properties of tuff, granite and breccia after high temperatures
3种岩石高温后力学性质的试验研究
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Sedimentary pyroclastic rocks are mainly sedimentary tuff and sedimentary volcanic breccia.
沉火山碎屑岩,包括沉凝灰岩和沉火山角砾岩。
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