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在对西藏雅鲁藏布板块缝合线西段北亚带达机翁蛇绿岩的地质构造、岩石组合等进行野外考察的基础上，首次对该蛇绿岩的主量元素、微量元素、REE及Sr、Pb、Nd同位素进行了较系统的测试分析和综合研究，并由此探讨了该蛇绿岩的构造环境。提出该蛇绿岩为新特提斯东段岛海格局中的岛派成国，为已消亡的中生代新特提斯洋岩石圈的残片。
Based on the field investigation of the geologic structure and rock assemblage of the northern Yaonang ophiolite in western segment of the Yarlung Zangbu block suture in Tibet, the main elements, trace elements, REE And Sr, Pb and Nd isotopes. The tectonic environment of this ophiolite is discussed. It is proposed that this ophiolite is the island-forming country in the sea-island pattern of the eastern part of the Neo-Tethys, and is a fragment of the Mesozoic Neo-Tethyan oceanic lithosphere that has passed away.