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Kotomora

石せき英えい粗そ面めん岩がん

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Meanings

1

noun

liparite; rhyolite

A fine-grained volcanic rock, equivalent to rhyolite. Used in geology; the cross-reference 流紋岩 (りゅうもんがん) is the more common term for rhyolite in modern Japanese.

See also: 流紋岩