ALL meanings of gossan
gos·san
G g - noun gossan An iron-containing secondary deposit, largely consisting of oxides and typically yellowish or reddish, occurring above a deposit of a metallic ore. 1
- noun gossan a rust-colored deposit of mineral matter at the outcrop of a vein or orebody containing iron-bearing materials. 1
- noun gossan an oxidized portion of a mineral vein in rock 0
- noun gossan rusty iron deposits often occurring where the upper part of a vein has been weathered and oxidized 0