The lithological features of section and palaontological conposition and spread of Luocheng Fm. in Huanjiang area has been summarized,and lower-upper-Carboniferous series in this area has been divided and contrasted.

• 文章概述了环江地区相关剖面罗城组岩性特征及古生物组合分布概况，并对该区上、下石炭统进行了划分和对比。