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/ˈɡɒsən/ · noun
(geology) Rust-coloured (weatherized and oxidized) rock or mineral deposits, forming the upper part or outcrop of a metallic vein..
Despite being comprised largely of a multiply deformed amphibolite and granulite facies metagranitoid terrain, the region includes supracrustal belts of three different ages, all hosting gossans that signal base- and precious metal prospectivity.
Use gossan when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Gossan means (geology) Rust-coloured (weatherized and oxidized) rock or mineral deposits, forming the upper part or outcrop of a metallic vein..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Despite being comprised largely of a multiply deformed amphibolite and granulite facies metagranitoid terrain, the region includes supracrustal belts of three different ages, all hosting gossans that signal base- and precious metal prospectivity.
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