概观秦岭石炭纪地层:下、中、上三统齐全,西自甘肃碌曲东至宝丰、浙川分布广泛。自北秦岭到南秦岭岩相类型繁多,厚度变化剧烈。它在秦岭主段受纬向构造带的控制,呈东西向展布。笔者近年再次赴秦岭,测制了石炭系剖面。杜内期有孔虫过去只在西段(甘肃碌曲至 Overview Qinling Carboniferous strata: the next, middle and upper three systems complete, west of Lushunkutong from Gansu to Baofeng, Zhejiang and Sichuan are widely distributed. There are many types of rock facies from the North Qinling to the South Qinling and the thickness changes drastically. It is controlled by the latitudinal zonal tectonic belt in the main section of the Qinling Mountains and exhibits an east-west distribution. In recent years, the author went to Qinling again and measured the Carboniferous section. Du interior foraminifera in the past only in the western section (Lushu to Gansu