本文主要讨论广西大厂龙头山中泥盆世生物礁的岩石类型,主要造礁生物及生态,生物礁的微相和发育演化,成岩作用等,在此基础上提出龙头山礁的沉积模式和成岩模式。在研究过程中,笔者得到矿区215地质队以及广西地科所吴诒,贵州八普周棣康等人的有效配合和帮助,特此致谢。 This article mainly discusses the rock types, the major fauna and ecology, the reef microfacies and development and diagenesis of the Middle Devonian reefs in Longtoushan, Guangxi Dachang. Based on this, the authors put forward the sedimentary model and diagenesis mode. In the course of the study, I hereby acknowledge the effective cooperation and help of 215 geological teams in the mining area and Wu Di of the Geological Institute of Guangxi and Zhou Dikang of the 8th PUP of Guizhou.