棕地开采
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新研究表明,全球采矿业已成为棕地产业
Wen Hua Cai Jing· 2026-01-23 11:04
Core Insights - The global mining industry faces a significant challenge due to a lack of new greenfield copper mines, with a growing reliance on brownfield expansions to meet increasing copper demand for energy transition and technology sectors [1][2] Group 1: Research Findings - A study by the Sustainable Minerals Institute highlights the severity of the issue and the industry's dependence on brownfield mining, indicating that existing mines cannot meet the rising demand for copper alone [1] - The study covers data from 366 brownfield projects across 58 countries from 1998 to 2024, revealing that capital expenditures for brownfield projects are primarily driven by copper, which accounts for nearly half of total expenditures [2][3] - The number of new copper mines peaked around 2015, while production continues to rise despite a decline in new mine development [2] Group 2: Geographic Insights - Chile leads global brownfield development, accounting for 25.2% of total capital investment, followed by the United States at 11.4% and Australia at 10.1% [3] - The trend of large companies increasing mine exploration is evident globally, with significant shifts in exploration patterns observed in the Pacific and Southeast Asia, where the share of exploration rose from 27.3% in 2010 to 76.8% by 2024 [4] Group 3: Environmental and Social Considerations - Nearly 80% of brownfield mines are located in areas facing high-risk conditions, including water scarcity and weak governance [4] - Over 20% of mines are situated within 50 kilometers of ecologically pristine or partially modified areas, and more than half are located within 20 kilometers of biodiversity hotspots or protected areas [5]