Mine Production Of Copper-Bearing Ores And Recoverable Copper Content Of Ores Produced In The United States

This table presents detailed information on the quantities of copper-bearing ores mined in the United States and the corresponding recoverable copper content extracted from these ores. It distinguishes between different ore types, including concentrated copper ore, leached ore, and other copper-bearing ores such as gold, lead, and nickel ores. This data is crucial for understanding the scale and efficiency of copper production, which has significant economic and industrial implications. Copper is a key metal used extensively in electrical wiring, plumbing, and telecommunications, making its production levels a vital indicator of industrial activity and resource availability in the country.

Analysis of the data reveals that in 2021, the recoverable copper content from concentrated copper ore increased to 638,000 metric tons from 610,000 metric tons in 2020, despite a decrease in the gross weight of concentrated ore mined from 221 million to 208 million metric tons. Recoverable copper from leached ore showed a slight increase from 557,000 metric tons in 2020 to 562,000 metric tons in 2021. The total recoverable copper content from all copper ores rose from approximately 1.17 million metric tons in 2020 to 1.2 million metric tons in 2021, indicating a modest growth in copper production efficiency or ore grade. Additionally, recoverable copper from other concentrated copper-bearing ores slightly declined from 33,500 metric tons to 32,400 metric tons. Overall, the data suggests a stable to slightly increasing trend in copper recovery, reflecting ongoing production resilience in the U.S. copper mining sector.