笔者因工作关系,对《地层规范草案及地层规范草案说明书》(下面简称《规范》)曾进行了较认真地学习,在学习和实践过程中感到有关地层符号部分尚有一些问题,谈谈个人意见,请同志们讨论并指正。地层符号是一种代号,主要在各种地质图件中,用来代表一定的地层单位。制定地层符号的时候应该遵循一定的原则: Due to the working relationship, the author has conducted a more serious study of the “Specifications for the Formation Specifications and the Specifications for the Formation Specifications” (hereinafter referred to as the “Specifications”), and found that there are some problems in the symbols of stratigraphy during the study and practice. Opinions, please comrades to discuss and correct. Stratigraphic symbol is a code name, mainly in a variety of geological map, used to represent a certain unit of formation. When developing stratigraphic symbols, certain principles should be followed: