摘要
本文对下花园地区第四纪地层典型剖面，运用岩石学、古生物孢粉学、矿物学、古地磁学及年代学等综合分析方法，进行了较详细的研究，确立了该区第四纪更新世地层层序，并分析了其沉积环境及地质演化史。
n this paper, the Quaternary deposits in the region of Xiahuayan of Hebei, are dividedinto Guaming Fm., Malan Fm. and pebble gravel of flood deposit.With the method of Synthetical analysis: mineralogy, petrology, palaeontology, Chronologyand Palaeomagnetism. .We've made detaited Study and established the stratum saquence and analysed deposition enviroment and the history of evolution of geology.
关键词
更新世
官厅组
马兰组
沉积环境
第四纪
地层
xiahuayan region guaming Fm., malan Fm., pleistocene, deposition environment
