Results 81 to 90 of about 782 (212)
Yuanzineng kexue jishuCyclostratigraphy is widely applied in establishing high-precision sequence stratigraphic frameworks and astronomical time scales, making it an important field in the quantitative study of sedimentology.
WANG Junxian1, 2, , LI Ziying1, 2, , XING Zuochang1, 2, LIU Jungang1, 2, SHI Qingping1, 2, TIAN Mingming1, 2, JIA Licheng1, 2
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, 2014 This study investigates the preserved fluid contents of different generations of mineralised and unmineralised vein minerals from multiple different deposits across the Zambian Copperbelt to define the fluid physicochemical characteristics of the fluids ...
Nowecki, James Philip
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This study focuses on the Hailijing sandstone-hosted uranium deposit in the Songliao Basin. Through a combination of petrographic analysis, X-ray diffraction (XRD), scanning electron microscopy (SEM), and geochemical analysis, the epigenetic alteration ...
Ziying Li +5 more
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, 2021 The evolution characteristics of hydrothermal activity and superimposed uranium mineralization in the Qianjiadian ore field in southwestern Songliao Basin are still controversial and lack direct evidence.
Wen-Jian Jiang +6 more
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Journal of Economic Geology, 2017 Introduction The Poshtebadam Bafq Zarand district in central Iran is a world class iron oxide province. This region contains over two billion tons of iron ore reserves within more than 34 major magnetic anomalies and deposits in an area of 7,500 km2 ...
Behrouz Karimi Shahraki, Behzad Mehrabi
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Meitan kexue jishuThe seepage effect of leaching solution in the process of in-situ leaching mining may lead to the deterioration of the mechanical properties of the aquifuge, and affect the safety of coal uranium co-mining.
Peng YANG +4 more
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The Nuheting deposit, Erlian Basin, NE China: Synsedimentary to diagenetic uranium mineralization
, 2015 International audienceSedimentary units deposited during the post-rift stage of the Erlian Basin located in northeast China present an alternation of sandstone and mudstone layers. This sedimentological architecture is at the origin of confined permeable
Malartre, Fabrice +5 more
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Uranyl phosphates and associated minerals in the Koprubasi (Manisa) uranium deposit, Turkey
, 2017 The Koprubasi uranium deposit is the largest known uranium deposits in Turkey. Uranium mineralization is hosted in Neogene fluvial sediments that consist of predominantly sandstone and conglomerate inter layered with siltstone, claystone and mudstone ...
Burns, Peter C., KAÇMAZ, HÜLYA
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The isotope geochemistry of uranium: Igneous petrology, ore deposits, and groundwater contamination
, 2010 This study applies high precision 238U/235U measurement techniques two three geologic settings: basalt differentiation, uranium ore genesis, and the remediation of a uranium-contaminated groundwater system. In the latter two cases, 238U/235U is used as a
Bopp, Charles J., IV
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地质科技通报Objective The Bohai Bay Basin, situated within the Eurasian metallogenic belt, is one of the world's two largest belts for sandstone-type uranium deposits, exhibiting significant potential for uranium mineralization.
Shunyao SONG +9 more
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