石せき英えい粗そ面めん岩がん

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

• この地ち域いきの地ち質しつは石せき英えい粗そ面めん