一、前言华北型石炭系与二叠系在河南省分布广泛,伏牛山、大别山北侧与三门峡以东地区多有分布。露头主要分布在京广铁路以西,而以东则全部被第四系覆盖。本区石炭系与二叠系含有丰富的铝、煤、铁、溶剂灰岩等矿产,早为中外地质学家所关注。1924—1927年,李四光、赵亚曾对华北石炭系进行研究,将下部 Spirifer mosqu- I. Preface The North China Carboniferous and Permian are widely distributed in Henan Province. There are many distributions in Funiu Mountain, northern Dabie Mountain and east of Sanmenxia. The outcrops are mainly distributed to the west of the Beijing-Guangzhou Railway, while the east is all covered by the Quaternary. The Carboniferous and Permian in this area are rich in minerals such as aluminum, coal, iron and solvent limestone, which have attracted the attention of geologists both at home and abroad. From 1924 to 1927, Li Siguang and Zhao Ya had studied the Carboniferous in North China. The lower Spirifer mosqu-