黑龙江海林小龙头山旧石器遗址发掘简报

A preliminary report on the excavation of the Xiaolongtoushan site,Hailin,Heilongjiang Province

小龙头山遗址位于黑龙江省海林市海浪河岸边,地理坐标44°25’36.2"N,129°10’43.1"E。该遗址发现于2012年,2014年发掘10 m2,获得石制品82件。原料以玄武岩为主,还有黑曜岩、凝灰岩、安山岩和英安岩等。剥片技术以石叶、细石叶技术为特点,石器类型有雕刻器、尖状器、两面器和大型的斧形器。个别石制品可以拼合,说明属于原地埋藏,在文化层中的炭粒测得的14C数据为距今13185±40年,为末次盛冰期后的转暖阶段。

The Xiaolongtoushan site(44°25’36.2"N,129°10’43.1"E)is located on the right bank of the Hailang River in Hailin,Heilongjiang Province.It was discovered in 2012 and excavated in 2014.From the test pit covering an area of 10 m2,a total of 82 stone artifacts was discovered.Basalt dominates the lithic raw material,followed by obsidian,tuff,andesite and dacite,etc.The lithic debitage features blade technology and microblade technology.The tool types include burin,point,bifacial point and large-sized axe.A few specimens can be conjoined and the stone artifacts are not abraded and weathered,indicating that the site was buried in situ.AMS 14C dating method was applied and suggested an age of 13185±40 BP for the cultural layer of the site,corresponding to the warming phase after the Last Glacial Maximum.