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| INDEPENDENT NIOBIUM AND TANTALUM MINERALS DISCOVERED IN SAIMA DEPOSIT, EASTERN LIAONING |
| LI Jin-xuan1, WU Yue2, JU Nan2, LIU Xin2, SHI Lu2 |
1. Mudanjiang Natural Resources Comprehensive Survey Center, CGS, Mudanjiang 157000, Heilongjiang Province, China;
2. Shenyang Center of China Geological Survey, Shenyang 110034, China |
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Abstract Through scanning electron microscopy and electron probe, independent niobium-tantalum minerals, mainly loparite, betafite and fersmite, are identified from the Saima Nb-Ta deposit in eastern Liaoning Province for the first time. The discovery solves the controversy about the existence of independent niobium-tantalum minerals in the area. According to the results of Sr-Nd-Pd isotope analysis, it is inferred that the mineralization of the niobium-tantalum deposit is related to mantle enrichment, with mixture of some crustal materials.
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Received: 06 September 2022
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2022, Vol. 31 
