Results 61 to 70 of about 337 (135)

Geophysics Indicator of Sandstone‐Type Uranium Mineralization in the Northern Ordos Basin, China: Analysis From Gravity and Magnetic Data

open access: yesEarth and Space Science
Ordos Basin, one of the largest uranium resource areas in China, holds significant potential due to its favorable metallogenic geological conditions and promising potential.
M. L. Xu   +6 more
doaj   +1 more source

Identification of Astronomical Cycles in Upper Cretaceous Sifangtai Formation and Constraints on Depositional Age of Uranium Mineralized Sandstones in Qian’an Area of Songliao Basin

open access: yesYuanzineng kexue jishu
Cyclostratigraphy 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
doaj   +1 more source

Monte Carlo-Based Borehole Effect Correction in Uranium Fission Prompt Neutron Logging Using the Epithermal-to-Thermal Neutron Ratio

open access: yesApplied Sciences
Borehole effects are a critical source of uncertainty in uranium fission prompt neutron (PFN) logging, particularly in sandstone-type uranium deposits with complex borehole conditions.
Lijiao Zhang   +6 more
doaj   +1 more source

Classification of Logging Data Using Machine Learning Algorithms

open access: yesApplied Sciences
A log data analysis plays an important role in the uranium mining process. Automating this analysis using machine learning methods improves the results and reduces the influence of the human factor.
Ravil Mukhamediev   +6 more
doaj   +1 more source

Multiscale heterogeneity and water abundance of uranium aquifers in coal measures and its significance

open access: yesMeitan xuebao
The Ordos basin is a crucial comprehensive energy base in China, where coal and sandstone-type uranium resources frequently coexist in an associated form within the same clastic aquifer system, characterized by a typical “coal below, uranium above ...
Liyao LI   +7 more
doaj   +1 more source

Evaluation of machine learning methods for lithology classification of sandstone-type uranium deposit based on well logging data in the Songliao Basin, Northeast China

open access: yesNuclear Engineering and Technology
Lithology identification plays a crucial role in uranium exploration, providing important information about geological conditions, deposit characteristics, and mineralization environments, which is significant for the exploration, development, and ...
Kun Xiao   +9 more
doaj   +1 more source

A Novel Uranium Quantification Method Based on Natural γ-Ray Total Logging Corrected by Prompt Neutron Time Spectrum

open access: yesApplied Sciences
The drilling core sampling and chemical analysis method for the quantitative determination of solid mineral deposits has several drawbacks, including a low core drilling efficiency, a high core sampling cost, and a long chemical analysis cycle.
Yan Zhang   +9 more
doaj   +1 more source

Optimization of CO2+O2 in-situ leaching parameters for sandstone-type uranium deposits under uncoupled charge blasting

open access: yesNuclear Engineering and Technology
To deeply analyze the impact of uncoupled charge blasting on the effect of uranium resource exploitation, RHT (Riedel-Hiermaier-Thomas) and HJC (Holmquist-Johnson-Cook) material models were first used to simulate the damage range of under different ...
Jie Wang   +10 more
doaj   +1 more source

Hydrogeochemical Characteristics of Sandstone-type Uranium Mineralization in the Pliocene Series of the Mazartag Fault Zone, Tarim Basin

open access: yesDonghua Ligong Daxue Xuebao. Ziran Kexue Ban
[Objective] To characterize the hydrogeochemical controls on sandstone-type uranium mineralization, this study focuses on the Pliocene Atushi Formation along the Mazatage fault zone, Bachu Uplift, Tarim basin.
YUAN Zhihua   +7 more
doaj   +1 more source

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