本文简单介绍了一种划分干酪根类型,和确定有机质成熟度的一种新方法。包括基本原理、具体操作步骤、观察方法及内容,同时对干酪根的几种类型,它们和油气的关系都作了一般介绍。并附照片。在资料使用上也作了一点尝试。对川中、川北两地区的大安寨地层中的干酪根用上述方法进行了观察对比,说明这两个地区需距离近,又为同一层位但是它们的干酪根类型是不同 This article briefly describes a new way to classify kerogen types and determine the maturity of organic matter. Including the basic principles, specific steps, methods and content of observation, at the same time, several types of kerogen, their relationship with oil and gas are made a general introduction. With photos. In the data also made a try. The kerogen in the Daanzhai Formation in central Sichuan and northern Sichuan were observed and compared by the above method, indicating that the two areas need to be near and in the same layer but their kerogen types are different