Results 71 to 80 of about 366 (182)

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

Stochastic Simulation of Leaching Range in In-situ Leaching Process Considering Uncertainty of Permeability Coefficient

open access: yesYuanzineng kexue jishu, 2023
Numerical simulation is an important method to determine the leaching range in the process of in-situ uranium mining, and the permeability coefficient is an important factor affecting the accurate calculation of leaching range by numerical simulation ...
JI Wengui;LUO Yue;LIU Jinhui;LI Xun;LI Liyao;YU Dongyuan;WU Hui
doaj  

Prediction of Sandstone-Type Uranium Deposits Based on Data from Oilfield Drilling and Its Mineralization Regularity: A Case Study of Jingchuan Uranium Deposit, SW Ordos Basin

open access: yesApplied Sciences
A large-scale sandstone-type uranium deposit, recently discovered within the petroleum field of the Jingchuan area on the southwestern margin of the Ordos Basin, exemplifies a classic case of uranium exploration success achieved through the analysis of ...
Bo Zhang   +6 more
doaj   +1 more source

In situ microzones U–Pb isotopic dating and its geological significance for sandstone-type uranium deposits in the northern Ordos Basin

open access: yesEnergy Exploration & Exploitation
Based on the verification of the suitability of the pitchblende certified reference material (GBW04420) for uranium mineral dating, this study conducted in-situ micro-area U-Pb dating on sandstone-hosted uranium deposits in the northern Ordos Basin by ...
Bai Lin Wu   +13 more
doaj   +1 more source

Origin and formation qualification of Khur o Biabanak agates, Isfahan province

open access: yesJournal of Economic Geology, 2014
Introduction Agates are presumed as a kind of precious stone that could be formed in magmatic, metamorphic and even sedimentary environment. Mechanism for agate formation is not clear and is produced in laboratories.
Forough Malek Mahmoudi, Mahmoud Khalili
doaj  

Tectonic evolution and mineralization exploration of Lujing uranium ore field, South China. [PDF]

open access: yesSci Rep
Ren W   +8 more
europepmc   +1 more source

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