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美国政府在其关键矿产草案清单中新增了、钾盐和硅等矿产,这是自2018年首次发布以来最重大的一次修订。

根据2020年《能源法案》要求,每三年需对清单进行更新。此次更新在2022版基础上,现包含54种矿产。拟新增6种——铜、硅、钾盐、银、铅和铼,同时剔除碲和砷两种。

美国地质调查局(USGS)幕僚长肯德拉·拉塞尔表示,将铜和硅纳入,是因精炼形式的供应中断可能引发严重经济后果。铅和铼在2022年险些入选,此次依新方法得以加入。

钾盐被纳入,是因最新模型显示主要供应国(尤其是加拿大)存在潜在贸易壁垒风险。纳入银,是为防范墨西哥出现低概率但高影响的供应中断情况。碲因美国国内产量增加,从净进口国转变为出口国而被剔除。修订数据显示秘鲁而非中国Ƙ..

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