2018
DOI: 10.1002/gj.3343
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Tectonic affinity and evolution of the Alxa Block during the Neoproterozoic: Constraints from zircon U‐Pb dating, trace elements, and Hf isotopic composition

Abstract: The Jinchuan deposit, which is located in the Longshoushan uplift (LU) on the southwest margin of the Alxa Block (AB), is the third largest Ni‐Cu deposit in the world. There are igneous rocks in the LU that widely developed in ~830 Ma, which include ore‐bearing ultramafic rock and ore‐poor mafic‐ultramafic rocks. These rocks were produced in an intracontinental extension‐rift environment, which is likely related to the Rodinia supercontinent (RS) breakup. However, contemporary magmatic rocks are absent in the … Show more

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Cited by 6 publications
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