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桃山遗址发现于2011年,2013年进行试掘,并于次年展开系统的考古发掘工作。遗址2014年度发掘总面积36m~2,揭露出3个史前文化层,出土了丰富的遗物,包括石制品1943件,陶片12件,装饰品备料2件,植物果壳1件。石制品类型包括石核、石片、细石叶、鸡冠状石叶、削片、刮削器、锯齿刃器、端刮器、凹缺器、斧形器、锛形器和石镞等。此次发掘出土遗物从数量和类型两个方面均突破了2013年试掘工作对遗址认识的局限,更全面地展现出桃山遗址的文化面貌。遗址各阶段石制品原料及技术类型虽存在一定相似性,但也表现出较为明显的差异。光释光和AMS~(14)C年代测定表明古人类在该遗址活动的时间从旧石器晚期后段一直延续到新石器时代。
Peach Hill site was discovered in 2011 and 2013 for excavation. In the following year, systematic archaeological excavations were carried out. Site 2014 excavation total area of 36m ~ 2, exposing the three prehistoric cultural layer, unearthed a rich relics, including 1943 stone products, pottery pieces 12, 2 pieces of decorative materials, plant shell 1. Types of stone products include stone, stone tablets, fine stone leaves, chicken coronal leaves, shavings, scrapers, serrated edge, end scraper, notch, ax, adulterant and stone 镞 and so on. The unearthed relics broke through the limitations of the excavation work in 2013 both in quantity and type, and more fully demonstrated the cultural appearance of the Taoshan ruins. Although there are some similarities in the raw materials and technical types of stone products at various stages of the ruins, obvious differences have also been shown. Photoluminescence and AMS ~ (14) C dating showed that the time that the ancients were active at the site extended from the late Paleolithic to the Neolithic.