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What is the “Johnny Lee” deposit?

The Johnny Lee deposit at Black Butte is named for a homesteader/prospector who lived above the deposit in the early 1900s. The mineral deposit includes two sheet-like zones rich in extremely high grade copper-iron-sulfide (chalcopyrite). It is the second highest grade copper deposit currently under permit in the world. In fact, it is more than 10 times higher than in most modern surface mines.