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Discovery of ophiolite in southeast Yunnan, China

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The Babu ophiolite in Malipo County, SE Yunnan, consists of three units: ultramafic, mafic and basaltic rocks. Studies of geological mapping, petrology and geochemistry reveal that the gabbro is similar to that in the Troodos ophiolite, and the diabase and basalt belong to a normal MORB-type, analogous to the Shuanggou ophiolite in west Yunnan. The ophiolite studied as a thrust tectonic slab, was overthrust northwards onto the Late Paleozoic-Triassic deep marine deposits of continental margin. It is inferred to be relics of Paleotethyan ocean; namely, a branch of Paleotethys occurs in South China, where the tectonic nature and evolutional history of the area should be reconsidered.

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Correspondence to Dalai Zhong.

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Zhong, D., Wu, G., Ji, J. et al. Discovery of ophiolite in southeast Yunnan, China. Chin.Sci.Bull. 44, 36–41 (1999). https://doi.org/10.1007/BF03182880

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  • ophiolite
  • geochemistry
  • Babu in SE Yunnan