云南德钦地区蛇绿岩主要分布在德钦—奔子栏一带,地处金沙江与澜沧江之间的狭窄地带。近几年来,由于对大陆板块研究的深入,关于蛇绿岩的形成环境,不少学者认为:它们可产在类似于大洋中脊的环境,也可发育在古岛弧或弧后盆地等。现在,越来越多的事实证明:在大陆上,原始形成于大洋中脊的典型蛇绿岩极为少见,而更多的是类似于岛 The ophiolites in the Deqin area of ​​Yunnan are mainly distributed in the Deqin-Benzizhan area, which is located in a narrow area between the Jinsha River and the Lancang River. In recent years, due to the in-depth study of continental plates, many scholars believe that they can be produced in environments similar to mid-ocean ridges or in ancient island arcs or back-arc basins. Now, more and more facts show that on the mainland, the typical ophiolite originally formed in the mid-ocean ridge is extremely rare, and more is similar to the island