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Geochemical Characteristics of a Carbonatite Dyke Rich in Rare Earths from Bayan Obo, China TAO Ke-jie1,ZHANG Pei-shan1,Le Bas M J2,Henderson P3,YANG Xiao-yong4,CHEN Tian-hu5,YANG Xue-ming4...) Abstract:The whole-rock geochemistry of a rare earths rich carbonatite dykes that locates at Dulahala and lies 3 km north-east to the East Ore body of the giant Bayan Obo RE-Nb-Fe deposit was analysed......
Rare Earths, Niobium and Tantalum Minerals in Bayan Obo Ore Deposit and Discussion on Their Genesis 张培善1,宋仁奎1,陶克捷1,杨学明1,杨主明1 (1.Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China) Abstract:Bayan Obo ore deposit is endowed with and lie hidden in the Proterozoic strata. The localities and occurrences of the minerals in the ore deposit were described......
Trace and Rare Earth Element Geochemistry of Micrite Mound Carbonates and Other Related REE Mineralized Carbonates from Bayan Obo Area in Inner Mongolia PENG yang1,Qiu Liwen2,YANG Xueming3,Zhang... was carried out for different carbonates including the very REE-rich ones in the main ore bodies, a carbonatite dyke and two micrite mounds from Heilaobao far away from the Bayan Obo ore deposit......
Investigations on mineralogical characteristics of rare earth minerals in Bayan Obo tailings during the roasting process郑强,吴文远,边雪School of Metallurgy,Northeastern University摘 要:This paper focused on the investigation of the mineralogical characteristics of rare earth minerals from Bayan Obo tailings during the roasting process in the presence of coal,Ca......
Investigations on mineralogical characteristics of rare earth minerals in Bayan Obo tailings during the roasting process郑强,吴文远,边雪School of Metallurgy,Northeastern University摘 要:This paper focused on the investigation of the mineralogical characteristics of rare earth minerals from Bayan Obo tailings during the roasting process in the presence of coal,Ca......
Thermal decomposition mechanism of low-content-fluorite Bayan Obo rare earth concentrate roasted with sodium carbonate and its consequent separation studyDan Zou1,Ji Chen1,Jiashi Hu2,Kai Li1,3,Deqian... University3. University of Science and Technology of China摘 要:Thermal decomposition and phase transformation for the mixture of Bayan Obo rare earth concentrate......
Thermal decomposition mechanism of low-content-fluorite Bayan Obo rare earth concentrate roasted with sodium carbonate and its consequent separation studyDan Zou1,Ji Chen1,Jiashi Hu2,Kai Li1,3,Deqian... University3. University of Science and Technology of China摘 要:Thermal decomposition and phase transformation for the mixture of Bayan Obo rare earth concentrate......
Carbothermic reduction behaviors of Ti–Nb-bearing Fe concentrate from Bayan Obo ore in ChinaGuang Wang,Ya-xing Du,Jing-song Wang,Qing-guo XueState Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing摘 要:To support the development of technology to utilize low-grade Ti–Nb-bearing Fe concentrate, the reduction......
Some Characteristics of Niobium Mineral Resources of Low and Medium Grade Oxide Ores in the Main and Eastern Mining Areas at the Bayan Obo Mine陈泉源,余永富摘 要:<正> Since the low and medium grade oxide ores in the Main and Eastern Mining Areas at the Bayan OboMine have a high grade of Nb2O5 and large ore reserves and are rich in many elements......
白云鄂博碳酸岩脉的显微共聚焦激光拉曼光谱分析 周国富1,肖国望2,裘愉卓1,秦朝建1,张台荣2,王中刚1 (1.中国科学院,地球化学研究所,矿床地球化学国家重点实验室,贵州,贵阳,550002;2.包钢集团,白云鄂博铁矿,内蒙古,包头,014080;3.中国科学院,广州地球化学研究所,成矿动力学重点实验室,广东,广州,510640) 摘要:白云鄂博矿区发育的脉状稀土碳酸岩,由于其结晶迅速,矿物颗粒细微,其中的微小矿物的鉴定一直是一个难题.应用显微共聚焦激光拉曼光谱仪则能较好地解决这一问题.研究表明,白云鄂博地区存在富稀土白云质岩浆碳酸岩脉,早期阶段形成碱性长石和铁白云石,无稀土矿化;铁白......