(definition) by Webster 1913 Tue Dec 21 1999 at 23:56:37

Gos"san (?), n. Geol.

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

 

© Webster 1913.

I like it!

Log in or register to write something here or to contact authors.