andesite

Very limited information has been reported concerning andesite weathering.

迄今对安山岩之风化过程研究资料之报导仍有限.

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The volcano's summit looks gray and is made andesite.

顶端灰白色,由安山岩组成.

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The REE distribution pattern of the Xihu lake is similar to that of andesite.

西湖沉积物稀土分布模式与安山岩相似.

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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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The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite.

火山岩岩石组合以碱性玄武岩 - 粗安岩 - 碱性流纹岩为主.

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The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt , andesite, rhyolite and quartz.

火成岩的碎块成分主要为石英岩 、 岩 、 麻岩 、 武岩 、 山岩和流纹岩.

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