过时向茉莉 发表于 2024-4-3 16:42:05

实证!3.5亿年前,秦岭是海洋

<p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);" data-mpa-powered-by="yiban.io"><strong style="outline: 0px;color: rgb(0, 122, 170);font-size: 18px;font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.034em;">鄂西北山区发现化石实证3.5亿年前秦岭是海洋</strong><br style="outline: 0px;"/></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;"><br style="outline: 0px;"/></span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;">记者2日从湖北省地质科学研究院获悉,该院研究团队近日在对湖北省郧西县西北部开展地质调查时,发现了丰富典型的泥盆纪珊瑚化石,为佐证秦岭山脉曾发生海陆变迁事件提供了重要科学实物证据。</span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><br style="outline: 0px;"/></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;color: rgb(136, 136, 136);font-size: 14px;">图为在十堰市郧西县发现的珊瑚化石,湖北省地质科学研究院供图。</span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;"><br style="outline: 0px;"/></span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;">湖北省地质科学研究院古生物化石研究中心主任赵璧表示,本次在郧西发现的珊瑚化石主要赋存在泥盆纪中晚期的粉晶、细晶灰岩海相地层中,涉及10余种珊瑚类型。据悉,本次发现的泥盆纪珊瑚化石以复体珊瑚类型为主,赋存区面积广大,逾300平方千米,显示出大面积古海洋生物礁建造特点。</span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><br style="outline: 0px;"/></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;font-size: 14px;color: rgb(136, 136, 136);">图为在十堰市郧西县发现的珊瑚化石,湖北省地质科学研究院供图。</span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;"><br style="outline: 0px;"/></span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;">“郧西县西北部山区在3.5亿年前是一片‘远古的大堡礁’”。赵璧告诉记者,珊瑚是地球上最古老的海洋生物和最著名的海洋造礁生物之一。泥盆纪是地球历史上的重要时期,距今4.19亿至3.59亿年,也是地史上最重要的珊瑚造礁期。<span style="outline: 0px;color: rgb(123, 12, 0);"><strong style="outline: 0px;">本次郧西珊瑚化石的规模发现,不仅说明秦岭在形成山脉前曾被大片海水淹没,也说明当地曾是古珊瑚在浅海大规模造礁的重要区域。</strong></span></span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;"><br style="outline: 0px;"/></span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;">本次发现珊瑚化石的地点位于郧西大梁,又名湖北大梁,是秦岭的重要组成部分,其东西横亘湖北、陕西两省之间,全长60千米,是两省地理、气候的分界线。</span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;"><br style="outline: 0px;"/></span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;"></span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;font-size: 14px;color: rgb(136, 136, 136);">图为此次珊瑚化石发现地点,湖北省地质科学研究院供图。</span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><br style="outline: 0px;"/></p><hr style="border-style: solid;border-width: 1px 0 0;border-color: rgba(0,0,0,0.1);-webkit-transform-origin: 0 0;-webkit-transform: scale(1, 0.5);transform-origin: 0 0;transform: scale(1, 0.5);"/><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);"><span style="outline: 0px;font-size: 14px;color: rgb(136, 136, 136);">来源:新华视点</span></p><p style="margin-bottom: 0em;outline: 0px;text-wrap: wrap;background-color: rgb(255, 255, 255);letter-spacing: 0.544px;font-family: -apple-system-font, 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