(n.) Decomposed rock, usually reddish or ferruginous (owing to oxidized pyrites), forming the upper part of a metallic vein.
GOSSAN
Meaning of GOSSAN in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) Decomposed rock, usually reddish or ferruginous (owing to oxidized pyrites), forming the upper part of a metallic vein.
Webster's English dictionary. Английский словарь Webster. 2012