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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The acidic tuff section owns gold element with average content of 110.
其中的酸性凝灰岩段金元素平均值110.
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This kind of rock is called tuff.
这里的岩质呢是凝灰岩.
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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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Rich mineral resources, granite, tuff, 15 kinds of marble, and other non - metallic mineral and metal mining.
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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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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A systematic discussion of stratabound feature of tuff - type gold deposits, southwest Guizhou is conducted.
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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