Gossan

[gɔsn]

Definition

(n.) Decomposed rock, usually reddish or ferruginous (owing to oxidized pyrites), forming the upper part of a metallic vein.

Editor: Samantha

Definition

n. (prov.) decomposed rock usually ferruginous forming the upper part of a metallic vein.—Also Gozz′an.

Edited by Everett

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