泥河灣侯家窯—和堯莊遺址區(qū)古河流及其環(huán)境考古意義
[Abstract]:Houjiayao Site and Heyaozhuang Site, as important paleoanthropological sites in the Middle Paleolithic Age of China, play a connecting role in the study of Oriental human origin, paleoanthropological evolution and Paleolithic cultural development. On the basis of the previous study of ancient rivers near Houjiayao site, this paper relies on the project of "Oriental Human Source Exploration Project - Study of Human Origin, Environment and Geological Background in Nihewan" (13277611D), Hebei Province, through eight times of field geology. Geomorphological investigation, geomagnetic survey, resistivity sounding and elevation survey have been carried out in a series of in-depth stages. The southward extension direction, scale and spatial distribution characteristics of ancient rivers in Houjiayao-Hoyaozhuang ruins area have been traced, and the natural and geographical environment for the survival of ancient human beings in the ruins area has been studied. The research results are as follows: (1) In the late Middle Pleistocene, an ancient river originating from the northern Xionger Mountains was developed in the Houjiayao-Yaozhuang site area. The River extends from NNW-SEE to SEE, and flows to SEE with the largest width of the main river in the area. The formation of the ancient rivers began in the rapid and large-scale retreat of the Nihewan ancient lake 240,000 years ago, and disappeared after being buried by large-scale alluvial and diluvial materials in the early Late Pleistocene. The development history of the ancient rivers spanned the entire period of human existence in Houjiayao-Yaozhuang area. (2) In the period of the development of the ancient rivers, Houjia The palaeogeomorphology of Yao-He Yaozhuang site generally inclines southward with an altitude of 920-960 m and a specific drop of about 1/90. The main channel bed inclines gently southward and southward eastward. The specific drop of the upper reaches near Houjiayao site is about 1/60, and that of the lower reaches near Yaozhuang site is only 1/120. On the plane, there are not only many branching channels or branching valleys, but also wide and shallow bays (swamps) and Oxbow lakes (swamps) left over by the bending of ancient rivers; vertically, the transverse section of ancient rivers is characterized by steep bank slopes and wide channel beds. There are fluvial (swampy) facies and oxbow lake (swampy) facies deposits and so on. (3) Houjiayao site and Yaozhuang site of the ancient human remains buried in the paleofluvial sedimentary layer and adjacent to the ancient river and the residual facies of the same period of clay layer, indicating that the Houjiayao-and Yaozhuang site area of the ancient human beings do not live on the lake, but live on the river, but the river developed in this area. From late Middle Pleistocene to early Late Pleistocene, the two sites are only 3 km apart, and the burial horizons of the ancient cultural relics are the same, but the buried River landforms are different, which also indicates that the two ancient cultural relics were imitated or acted by the same group of people at the same time. (4) This paper studies the sedimentary stratigraphic sequence of the site area and other people's research on the ancient cultural relics. The dating results of the cultural layers are in good agreement, that is, the geological age of the ancient man in the Houjiayao-Yaozhuang ruins area is from the late Middle Pleistocene to the early Late Pleistocene, and the period is between 220,000 and 160,000 years, providing good life for many animals and plants during the development of the ancient rivers. The riverbed of most of the ancient rivers in the ruins area is based on the soft muddy Bay lacustrine sandy muddy sediments, which are easily eroded, so that the sand and muddy content of the ancient rivers increases and becomes turbid. In the Niuyo Lake (swamp) area and the river bay (swamp) area near the Yaozhuang ruins, the slow-flowing water makes the sediment deposited sufficiently, the water quality is clear, and the plants grow flourishingly. Therefore, the ruins area is not only a place for many animals to gather for food and drinking, but also a place for hunting. The existence of ancient rivers is beneficial to Houjiayao. The survival and reproduction of the ancient humans in the Houjiayao-Yaozhuang ruins area is of great significance. (6) Although the ancient humans in the Houjiayao-Yaozhuang ruins area lived in a cold climate background, the mountain depression in the ruins area faces southeast like a circle chair. It is not only windy and sunny, but also has flowing water, and there is no lack of high-quality materials for making stone implements. It is a natural choice for Paleolithic humans living in low productivity areas to live by rivers.
【學(xué)位授予單位】:河北師范大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2016
【分類號】:K878
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