发现大熊猫化石累计52具 贵州双河洞最新科考成果发布|国产人妻爽到欲仙欲死
10月24日,“贵州绥阳双河洞第24次国际洞穴科学考察新闻发布会”举行。会上公布:亚洲第一长洞——双河洞连通长度刷新至439.7公里,继续稳居世界第三、亚洲第一长洞,纵深仍保持中国第三。
地质遗迹方面,在尚未连通的北部洞穴系统中,新发现一处规模较大的石膏与天青石沉积洞道,表明次生硫酸盐矿物在双河洞区域广泛分布,暗示硫酸作用对巨型白云岩洞系形成具有重要的促进作用。
古生物研究方面,种类和数量均有所增加,科考专家陆续在双河溶洞群中发现晚更新世“大熊猫-剑齿象动物群”化石遗存新个体,其中:新增大熊猫个体6具(累计达52具)、剑齿象个体1具、犀牛个体2具、鬣羚个体7具。值得关注的是,此次科学考察发现4具较为完整的羚牛个体,在中国属首次。
科考专家还在一处竖井中集中发现了大量具有明显人为扰动痕迹的骨骼遗存,经实验室分析确证为“烧骨”,其年代可追溯至约1400年前。
(记者 袁超 贵州遵义报道)
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