1 gossan | Definition of gossan

gossan

noun
gos·​san | \ ˈgä-sᵊn How to pronounce gossan (audio) \

Definition of gossan

: decomposed rock or vein material of reddish or rusty color that results from oxidized pyrites

First Known Use of gossan

1776, in the meaning defined above

History and Etymology for gossan

Corn gossen, from gōs blood

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More from Merriam-Webster on gossan

Britannica.com: Encyclopedia article about gossan