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Discovery of the highly depleted N-MORB-type volcanic rocks: new evidence for the Mianlue paleo-ocean |
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| Authors: | Jifeng Xu Xueyuan Yu Xianhua Li Yinwen Han Jihu Shen Benren Zhang |
| Institution: | (1) Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 510640 Guangzhou, China;(2) China University of Geosciences, 430074 Wuhan, China |
| Abstract: | The highly depleted N-MORB-type volcanic rocks have been discovered in Mianlue mélange of Qinling orogenic belt, central China. These mafic rocks are associated with the meta-peridotites, showing LREE-depleted pattern, similar to N-MORB and typical ophiolites. It is indicated that an ancient ocean existed in the Mianlue area of Qinling orogenic belt during the late Paleozoic. |
| Keywords: | N-MORB-type rocks ophiolite Qinling Mianlue belt |
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