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扼要介绍了笔者近期在南天山大地构造研究方面取得的新成果:①发现晚志留世单笔石化石;②根据黑云母透闪石石英片岩等606Ma的Rb-Sr等时线年龄,确认了库尔干前寒武纪构造窗;③根据蛇绿混杂岩硅质岩中放射虫化石时代和辉长岩斜长石单矿物(40)Ar/(39)Ar法高温坪年龄333.51±8.77Ma,确认南天山存在晚古生代蛇绿岩。
This paper briefly introduces the recent achievements made by the author in the study of the tectonic evolution of the southern Tianshan Mountains: (1) Late Jurassic single fossils were found; (2) Based on the 606Ma Rb-Sr isochron age of biotite-tremolitic quartz schist, Precambrian tectonic window of Kurgan; ③According to Arctic (39) Ar Argillaceum age of 333.51 ± 8.77Ma, confirming the presence of Late Paleozoic ophiolite in southern Tianshan.