gossan

(gäs′ən, gäz′-)

noun

Mining rusty iron deposits often occurring where the upper part of a vein has been weathered and oxidized

Origin: Cornish gossen < gos, blood < Old Cornish guit

See gossan in American Heritage Dictionary 4

noun

An exposed, oxidized portion of a mineral vein, especially a rust-colored outcrop of iron ore.

Origin:

Origin: Cornish gossen

Origin: , from gōs, blood

Origin: , from Old Cornish guit

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