Mine deposit (3)

I believe the answer is:

ore

'mine deposit' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for ore that I've seen before include "Mineral-bearing material" , "14 [CURRENCY UNIT]" , "Mineral - Scandinavian money" , "Mineral containing valuable metal" , "it could be gold" .)

I've seen this clue in the Penny Press and the LA Times.

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