岩綿

がんめん

• rock wool n

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母岩

ぼがん

• base rock; country rock; gangue; host rock; mother rock; parent rock; wall rock n

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片岩

へんがん

• schist n geol

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結晶片岩

けっしょうへんがん

• crystalline schist n geol

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岩石系列

がんせきけいれつ

• rock series; lithosequence n

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