The thesis analysises the typical model profile and the special rock profile of wudaoliang group of miocene epoch in hoh xil basin . and be used the biocalcarenite with the marl rock take the marker bed of wudaoliang group 论文对可可西里盆地中新世五道梁群的典型剖面和特殊岩性剖面进行了分析，并以泥灰岩和生物碎屑灰岩作为五道梁群的标志层。
