Hi everyone. I know exactly what that expression means but I can't figure out why it's said that way. could someone help me? thank you.
Here's just a wild guess. Miners commonly hit (ie strike ) rocks with a hammer. gold is considered a valuable (ie rich ) metal.
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Here's just a wild guess.
Miners commonly hit (ie strike) rocks with a hammer.
gold is considered a valuable (ie rich) metal. We speak of a lot of gold contained in rock as 'a rich deposit'.