河北昌黎■泗涧细石器遗址的新材料

本文记述的细石器埋藏于饮马河支流的二级阶地上部的含砂砾凸镜体的黄色粘土层中。依地貌、地层和石制品的性质，其地质时代可能为晚更新世晚期，文化时代应归为旧石器时代晚期偏晚阶段。

NEW MATERIALS OF MICROLITHES FROM TINGSIJIAN SITE OF CHANGLI COUNTY, HEBEI PROVINCE

Tingsijian microlithic site was found in 1990 The second excavation was undertaken in autumn of 1991 and 239 stone artifacts were gathered in situ On the basis of the study of stone artifacts some characters could be shown as follows: 1 All artifacts are very small in size 2 Flakes are mainly produced by direct hammer percussion and occasionaly by bipolar technique, microblades are flaked by indirect flaking method and all microcores are boat shaped ones 3 The tools are made on the flake except two specimens and include into scrapers, gravers, pointed tool, awl and knife with blunted back The scraper is the main type and the end scrapers are common 4 Most of tools are retouched by hammer percussion and a few of them could be trimmed by pressure method According to comparative study of microlithes,stratigraphy and geomorphology of adjacent regions around Bohai Sea, the age of Tingsijian site could be dated to be the final stage of upper paleolithic or slightly later