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在旧石器时代晚期日本海西北岸地区是细石叶技术十分发达的区域之一。据埋藏特征可将其遗存分为早晚两期,二者的分界线为距今1.1万年左右。根据细石核的核体形状、毛坯、台面和工作面的情况,可将该区的细石核划分为9个类型,根据技术上的联系,可以进一步归纳为四种细石叶技法。该区的细石叶技术在空间上表现出较大的统一性,在时间上表现出不断发展的特点。在与周边地区的比较后发现,该地区的细石叶技术不仅仅受到外来因素的影响,还有其鲜明的自身特征,这一发现为确立该地区在东北亚旧石器时代文化格局中的地位具有重要意义。
In the late Paleolithic Japan, the northern coast of the Northwest Sea is one of the most developed areas of fine stone leaf technology. According to the burial characteristics, the remains can be divided into two phases sooner or later, the dividing line between the two is about 11,000 years ago. According to the shape of the fine nuclei, the rough, the surface and the working face, the fine-grained nuclei in the area can be divided into nine types. According to the technical connection, the four fine-stone techniques can be further classified. The fine stone leaf technology in this area shows a great unity in space and shows the characteristics of continuous development in time. After comparing with the surrounding areas, it was found that the fine stone leaf technology in this area is not only affected by external factors, but also has its own distinct characteristics. This finding is to establish the status of the area in Northeast Paleolithic cultural pattern It is of great significance.