Gŏs'san, n.
(gŏz'zan), n. (Geol.) Decomposed rock, usually reddish or ferruginous, forming the upper part of a metallic vein, and owing its reddish color mainly to decomposed pyrites. Dana.
(gŏz'zan), n. (Geol.) Decomposed rock, usually reddish or ferruginous, forming the upper part of a metallic vein, and owing its reddish color mainly to decomposed pyrites. Dana.