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A Study of Rare Earth and Trace Elements and Microstructure of Sulfide Minerals from the Xiaorequanzi Copper (Zinc) Deposit of Xinjiang
详细信息   
摘要

The Xiaorequanzi Cu(Zn) deposit of Xinjiang is located in the late Paleozoic island-arc of Danan Lake area, its ore bodies are hosted in a sedimentary rock suite of tuffaceous detritus, and its ore types are mainly massive chalcopyrite, sphalerite and other lodes. Based on a comparison of microstructures as well as distribution patterns of REE and trace elements between these sulfides, the authors hold that chalcopyrite has a better flowability than sphalerite, and the chalcopyrite tended to become active and move more easily than sphalerite under tense shear strain, and large-scale movement would lead to the concentration of chalcopyrite and finally the formation of the Xinjiang Xiaorequanzi Cu(Zn)deposit.

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