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"publishedAt": "2026-06-03T12:42:25.000Z",
"site": "https://eos.org",
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"textContent": "挪威的埃格尔松德岩脉系统形成于6亿多年前的埃迪卡拉纪时期。在一项新的研究中,研究人员从图中所示的岩脉中钻取岩石样本,以了解更多关于地球磁场历史的信息。图片来源:Yi Xue,CC BY 3.0",
"title": "6.16亿年前波罗的大陆在哪里?"
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