一、引言由于工作的关系,两年来,作者曾在华北平原边缘的唐山、河北的曲阳、唐县、井陉、元氏、山东的历城及河南的嵩山南北等区域进行了地质测量。工作中以古生界地层为重点,实测了一些地层剖面,从而也获得了一些初步的认识。总的说来,华北平原边缘古生界地 I. INTRODUCTION In the past two years, the author conducted geological surveys in Tangshan on the edge of the North China Plain, Quyang in Tangshan, Tangxian, Jingxing, Yuanshi, Licheng in Shandong Province and the north and south of Songshan in Henan Province. In the work, taking the Paleozoic strata as the focal point, some stratigraphic sections have been measured, and some preliminary understandings have also been obtained. In general, the Paleozoic margin of the North China Plain