昭乌达盟(简称昭盟)石炭系比较发育,笔者根据岩相古地理特征,在前人工作的基础上,对石炭纪地层划分提出了新的意见(表1),并将区内石炭系划分为南北两个岩相带,总结了地层、古生物特征,分析和论证了古地理等有关问题,现分述如下: Based on the lithofacies palaeogeographical features, based on the previous work, the author put forward new opinions on the stratigraphic division of the Carboniferous (Table 1), and put the Carboniferous in the area Division is divided into two north and south facies belt, summed up the strata, paleontology, analysis and demonstration of the paleogeography and other related issues are as follows: