山东恐龙化石的分布研究.docVIP

摘 要 本文选择山东地区晚白垩世的恐龙化石及其赋存地层为研究对象，开展一些针对性的研究，以期在沉积学、地层学和古生物学等方面获得一些新的认识和进展。山东发现恐龙化石的地区主要在胶莱盆地。莱阳的恐龙以鸭嘴、鹦鹉嘴龙居多，另外还有剑龙，谭氏龙(鸟龙类)等多种。时代属白垩纪，多存于王氏系的红土中或灰绿土中。其分布呈带状，主要分布在金岗口，红土崖、将军顶、柳行、陡山、横岚埠等处是一个较为发育的小型，含有大量的，其中尤以恐化石最为丰富诸城恐龙种属繁多，且范围广，埋藏丰富，是全国少有的一处恐龙化石宝库Abstract The dinosaur fossil of Late- Cretaceous in the area and the strata in which the dinosasur fossil locates as study object can be well-targeted researched so that the Sedimentology, Stratigraphy and paleontology can get new understanding and a lot of progress. Laiyang, Shandong is the one of areas where discovered dinosaur fossil was at most and earliest dinosasurs in Laiyang are mainly ioHadrosaur, Psittacosauru，there are, in addition ,Stegosaurus and Tanius laiyangensis and so on. They belong Cretaceous and locate in red soil or grey green soil of Wangshi Formation.they are distributed as bandin in Jigangkou, Hongtuya, liuhang, Doushan, Henggangpu and so on. Another area of discovering dinosaur fossil in Zhulai basin, Shandong is Zhucheng which is small-sized basin where Mesozoic strata was well developed and a large number of paleobiology fossil was formed but dinosasur fossil is most abundant. Species of dinosaurs in Zhucheng which is important repositories of dinosasur fossil all over China is the most abundant and it is distributed widely. According to this text, dinosasur fossil of Shandong province is mostly distributed in eastern Shandong where it is short of Jurassic strata.The strata of eastern Shandong consists of fluvial facies deposit and fan deposit.After study, it is found that sedimentary sequence of the strata in which the dinosaur fossil locate consists of microfacies, such as debris flow, floodplain and braided river. We believe that the weather of laiyang-zhucheng basin, Shandong was warm in Cretaceous, rivers and lakes existed in large numbers and the plant was luxuriant from strata sedimentary characteristics and discovered dinosaur fossil. In addition, after studying reasons of which the d