三星堆四号祭祀坑研究新成果:坑内燃烧残留物为异地埋藏|亚洲人成无码网站久久99热国产
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中新网成都11月18日电 (记者 岳依桐)记者18日从四川省文物考古研究院获悉,近日该院与首都师范大学等合作单位在国际权威科技考古期刊《考古科学杂志》上发布研究文章。文章针对三星堆祭祀坑的埋藏成因问题,对四号坑内的沉积物开展系统的地学考古研究,通过多学科手段重建四号坑的沉积过程,证实坑内燃烧残留物为异地埋藏。
据介绍,该研究有助于深入了解三星堆祭祀坑的埋藏成因及古蜀国的祭祀活动和礼仪制度,并为考古燃烧遗存的科学分析提供了研究方法上的借鉴。
研究团队对四号坑内部埋藏情况进行了宏观观察和记录,采用网格取样法对燃烧残留物、四壁及底部进行系统采样,对四号坑西壁进行了野外磁化率测量,并在实验室内对系统采集的样品进行了超景深显微观察,还进行了沉积物特征(包含物、结构、分选度)定量分析、磁化率、色度、土壤微形态、红外光谱、化学元素等多维度分析。
宏观观察结果表明,四号坑内的燃烧残留物并非原地燃烧埋藏,而是具有异地埋藏特征的外来沉积物;根据微形态分析和野外考察,该篇文章将四号坑的沉积埋藏过程划分为三个阶段:祭祀器物的埋藏-外部灰烬/木炭和沉积物的堆积-沉积后的压实、淋滤和生物扰动等后生变化。(完)
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