PITCHBLENDE

作品数：4被引量：17H指数：2
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相关期刊：《Science China Earth Sciences》《China Geology》《Open Journal of Geology》《Acta Geologica Sinica(English Edition)》更多>>
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Determination of formation age(0.14 Ma)of the Pengyang sandstone-type uranium deposit in the Ordos Basin,China:Using pitchblende in situ femtosecond LA-MC-ICP-MS method被引量：6
《China Geology》2021年第4期747-748,共2页Hua-lei Zhao Jian-guo Li Zhi-bin Xiao Pei-sen Miao Qing-hong Si Lu-lu Chen Reng-anYu Yin Chen 
This study is supported by the National Key Research and Development Project(2018YFC0604200);the International Geoscience Programme(IGCP 675);the project of Geological Survey China(DD20190119).
1.Objective Because of the characteristics of multistage mineralization,long duration,relatively new age,and complicated occurrence of ore minerals,dating of sandstone-type uranium deposits has been a challenging prob...
关键词：SANDSTONE DATING DEPOSIT 
The Discovery of Natural Native Uranium and Its Significance被引量：11
《Acta Geologica Sinica(English Edition)》2015年第5期1561-1567,共7页LI Ziying HUANG Zhizhang LI Xiuzhen GUO Jian FAN Chou 
This study analyzed the composition and uranium valence of pitchblendes sampled from the hydrothermal Guidong and Zhuguang uranium deposits of the middle Nanling metallogenic belt, Southern China using X-ray photoelec...
关键词：PITCHBLENDE uranium deposit native uranium first discovery metallogenic origin 
Geochemical Characteristics and Chemical Electron Microprobe U-Pb-Th Dating of Pitchblende Mineralization from Gabal Gattar Younger Granite, North Eastern Desert, Egypt
《Open Journal of Geology》2014年第1期24-32,共9页Hassan A. A. Shahin 
Pitchblende mineralization was studied in the younger granite samples collected from Gabal Gattar, north Eastern Desert, Egypt using electron scanning microscope (ESM) and electron probe microanalyses (EPMA). This stu...
关键词：PITCHBLENDE MINERALIZATION Gabal Gattar GRANITE CHEMICAL U-Pb-Th DATING 
Experimental study on reduction of U (Ⅵ) by an anaerobic bacterium, Shewanella putrefaciens: Application to sandstone-hosted interlayer oxidation-zone type uranium deposits, China
《Science China Earth Sciences》2005年第3期346-352,共7页L.L.Barton 
supported by the National Natural Science Foundation of China CNNSFCXGant Nos.40025209 and 40173031);the International Coopenative Research Foundation of NNSFC(Grant No 2002-40210104086);Ph.D.Base Foundation of Education Mimistry of China(Grant No.20020284036).
An experimental study on reduction of U (VI) by anaerobic bacteria, Shewanella putrefaciens, is first reported here in China. The experimental conditions were: 35℃ and pH = 7.0—7.4, corresponding to a physicochemica...
关键词：ANAEROBIC bacteria  reduction  pitchblende  sandstone-hosted URANIUM deposit  experimental study. 
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