Unrefined metals (4)

I believe the answer is:

ores

'unrefined metals' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for ores that I've seen before include "Mineral deposits" , "Mined minerals" , "Metal-bearing minerals" , "Rocks or minerals containing metals" , "Sources of metal" .)

I've seen this clue in The Star Tribune, the King Feature Syndicate and the USA Today.

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