URANINITE

作品数：8被引量：73H指数：5
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U-Blacks Mineralization in Sandstone Uranium Deposits
《Journal of Earth Science》2022年第2期308-316,共9页Olga A.Doynikova 
financial support from the IGCP 675 of International Union of Geological Sciences(IUGS),UNESCO and China Geological Survey(Tianjin Center)。
Ores of infiltration sandstone-hosted uranium deposits in the sedimentary cover are ubiquitous composed of dispersed soot powder mineralization of black,brownish-black colour.Longterm studies of such loose U-ores by a...
关键词：uranous minerals URANINITE COFFINITE ningyoite biogenic nature U-deposit ore deposit geology 
A New Technique for Calculating Oxygen Fugacity of a Magma Using Uraninite in Granites
《Acta Geologica Sinica(English Edition)》2021年第2期708-709,共2页GUO Jian LI Ziying HUANG Zhizhang LI Xiuzhen ZHANG Yuyan FAN Chou 
financially supported by the National Key R&D Program of China(Grant No.2017YFC0602600);Nuclear Power Development(No.HXS1403);Uranium Geology Research Program of China Nuclear Geology(No.201588)。
Objective Oxygen fugacity is an important physicochemical parameter of magmas in addition to temperature,pressure and elemental concentrations,representing a major research topic in natural and experimental petrology....
关键词：OXYGEN MAGMA representing 
The Latest In-Situ Uraninite U-Pb Age of the Guangshigou Uranium Deposit, Northern Qinling Orogen, China: Constraint on the Metallogenic Mechanism被引量：5
《Acta Geologica Sinica(English Edition)》2018年第6期2445-2447,共3页WU Yong QIN Mingkuan GUO Dongfa FAN Guang LIU Zhangyue GUO Guolin 
provided by the Bureau of Geology of the Chinese National Nuclear Corporation (grants No. 2016YFE0206300, (2018)294, 3210402 and LTC1605-1)
Objective The Guangshigou uranium deposit is located in the eastern part of the Shangdan triangular domain, which is currently the most productive pegmatite-hosted uranium deposit in China. Previous studies have focus...
关键词：PB China Constraint on the Metallogenic Mechanism Northern Qinling Orogen 
Kinetics of uranium extraction from coffinite——A comparison with other common uranium minerals被引量：4
《Transactions of Nonferrous Metals Society of China》2018年第10期2135-2142,共8页H.S.REYNOLDS R.RAM M.I.POWNCEBY Y.YANG M.CHEN J.TARDIO L.JONES S.K.BHARGAVA 
A synthetic coffinite was hydrothermally prepared and characterized before conducting a series of acid sulfate leach tests under conditions of relevance to uranium extraction.The results were then compared with simila...
关键词：COFFINITE URANINITE BRANNERITE acid leaching extraction kinetics 
New In-Situ LA-ICP-MS U-Pb Ages of Uraninite from the Mianhuakeng Uranium Deposit, Northern Guangdong Province, China: Constraint on the Metallogenic Mechanism被引量：15
《Acta Geologica Sinica(English Edition)》2018年第2期852-854,共3页ZHONG Fujun PAN Jiayong QI Jiaming YAN Jie LIU Wenquan LI Haidong 
granted by the Key Project of National Natural Science Foundation of China(grants No.41772066 and U1403292);the project of China Key Research and Development(grant No.2017YFC0602600)
Objective Hydrothermal uranium deposits in South China have become one of the main uranium producers over the past several decades. Numerous uranium deposits are densely distributed in the Guidong and Zhuguangshan pl...
关键词：Pb China MHK ICP MS 
Timing of Uranium Mineralization and Geological Implications of Shazijiang Granite-Hosted Uranium Deposit in Guangxi, South China: New Constraint from Chemical U-Pb Age被引量：26
《Journal of Earth Science》2015年第6期911-919,共9页Jincheng Luo Ruizhong Hu Shaohua Shi 
supported by the Key Program of National Natural Science Foundation of China (No. 40634020);the National 973 Program of China (No. 2014CB440906)
Miaoershan（MES） uranium ore field is one of the most important uranium sources in China, hosts the largest Chanziping carbonaceous-siliceous-pelitic rock type uranium deposit in South China together with many other ...
关键词：Shazijiang uranium deposit uraninite U-Pb age EMPA uranium mineralization crustal extension South China. 
In-situ U-Pb dating of uraninite by fs-LA-ICP-MS被引量：26
《Science China Earth Sciences》2015年第10期1731-1740,共10页ZONG KeQing CHEN JinYong HU ZhaoChu LIU YongSheng LI Ming FAN HongHai MENG YanNing 
supported by the National Natural Science Foundation of China(Grant Nos.41203027 and 41473031);the State Administration of Foreign Expert Affairs of China(Grant No.B07039);the Special Fund for Basic Scientific Research of Central Colleges,China University of Geosciences(Wuhan)(Grant No.CUGL140403)
In this study, the Pb/U fractionation between zircon and uraninite during femtosecond Laser Ablation Inductively Coupled Plasma Mass Spectrometry （fs-LA-ICP-MS） analysis was studied in detail. The results show signi...
关键词：URANINITE fs-LA-ICP-MS U-Pb dating element fractionation Rossing GBW04420 
Biomineralization of Uranium: A Simulated Experiment and Its Significance被引量：5
《Acta Geologica Sinica(English Edition)》2005年第1期134-138,共5页MINMaozhong HuifangXU L.L.BARTON WANGJinping PENGXinjian H.WIATROWSKI 
the National Science Foundation.USA.(NSF Grant EAR 02-10820);the National Natural ScienceFoundation of China(NSFC Grant No.40173031);the International Cooperative Research Foundation of NSFC(Grant No.2002-40210104086); the Ph.D.Base Foundation of the Ministry of Education of China(Grant No.20020284036).
A simulated experimental reduction of and the synthesis of uraninite by a sulfate-reducing bacteria, Desulfovibrio desulfuricans DSM 642, are first reported. The simulated physicochemical experimental conditions were:...
关键词：microbial biomineralization URANINITE sulfate-reducing bacteria sandstone-hosted uranium deposit simulated experiment 
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