(Kitco News) – According to the preliminary data released by the U.S. Geological Survey (USGS), estimated global mine production of copper was 20 million tonnes in 2020, or 2% less than in 2019 (20.4 million tons).
(Kitco News) – According to the preliminary data released by the U.S. Geological Survey (USGS), estimated global mine production of copper was 20 million tonnes in 2020, or 2% less than in 2019 (20.4 million tons).