中国自然资源部发布了过去二十年海洋地质调查成果，绘制了海底沉积物中数十种元素的分布图集，包括稀土、铁、锰和铜。国家广播电视台央视报道称，该图集覆盖渤海、黄海和东海，超过2万观察点的数据被描述为最全面、最可靠的地球化学数据集。青岛海洋地质研究所研究员窦延光表示，这有助于精准定位矿产资源并划定海洋保护红线。
中国自然资源部于周二发布了海洋地质调查成果，央视报道称该图集记录了渤海、黄海和东海海底沉积物中元素的分布情况。
该图集基于超过20,000个观察点的数据，被誉为中国迄今为止该海域最全面、多维度和可靠的地球化学数据集。窦延光表示：“通过[绘制]元素分布，我们可以……精准锁定海底矿产资源，减少盲目勘探。”他还指出，该图集有助于快速识别污染区和生态敏感区，划定海洋保护“红线”并管理污染风险。
图集覆盖中国内海渤海，以及位于中国大陆与朝鲜半岛之间的黄海，还有中日存在长期领土争端的东海，特别是中国称作钓鱼岛、日本管辖的尖阁诸岛地区。同时，日本正加紧开采稀土，一支日本深海探险队携稀土样本返航。
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A Chinese institute under the Ministry of Natural Resources released a report on Tuesday criticizing a major non-party power for unilaterally delineating an extended continental shelf and advancing deep-sea mining.
Researchers have developed a worldwide map highlighting where rare earth elements are likely to be found. The work links these valuable metals to specific geological features deep beneath Earth's surface.
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A Japanese research project has found that medium and heavy rare earth elements make up about 54 percent of the content in deep-sea mud samples collected off Minamitori Island.
Japan and the Philippines have started formal negotiations to delimit their exclusive economic zones. The move overlaps with areas east of Taiwan and has drawn sharp criticism from China.
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China is examining coal refuse as a potential source of critical metals including germanium, aluminium, lithium and gallium. The effort builds on existing coal processing infrastructure. A leading researcher noted both opportunities and technical challenges.