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Copper mining in the United States has been a major industry since the rise of the northern Michigan copper district in the 1840s . Copper exports in the United States increased to US $ 829.92mn in January , up from US $ 746.62mn in December 2021 , while copper imports soared to US $ 1,420.73mn in January , up from US $ 854.03mn in December .

Australia is the third-largest exporter of copper ore in the world and enjoys a 7.1 % share of an annual market — worth AU $ 64.2bn — along with Chile ( 29.1 %) and Peru ( 20.3 %), leading the trio of top copper ore exporters . China imports 43.2 % of Australia ’ s annual copper ore exports , and the second largest destination is Japan ( 28.9 %).

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