Results 21 to 30 of about 782 (212)

Uranium-Bearing Layers of Sandstone Type Uranium Deposits Identification and Three-Dimensional Reconstruction in the Northern Ordos Basin, North-Central China

open access: yes, 2023
Sandstone type uranium is the most valuable and has the most potential for mining among the known uranium deposits. In the process of forming, the hydrolytic migration and enrichment of uranium require special basin sedimentary environment and tectonic ...
Jia Zhao   +4 more
core   +1 more source

Ore-Forming Biogenic Factor in the Formation of Sandstone-Type Uranium Deposits

open access: yesGeology of Ore Deposits, 2022
Abstract —The geological environment of ore formation in sandstone-type uranium deposits is considered in light of modern geomicrobiological and ecological (environmental) mineralogical data related to solving environmental bioremediation problems (purification of the near-surface environment via bacterial ...
O. A. Doynikova, V. A. Petrov
openaire   +1 more source

Study on Influcing Factors for Reduction Capacity of Gray-Green Sandstone in Ordos Sandstone-type Uranium Deposits

open access: yesYankuang ceshi, 2018
BACKGROUND The reductive environment of uranium is the most important influencing factor of uranium mineralization. The study of various redox markers in interlayer oxidation bands is of great significance for finding interlayer oxidation zone sandstone ...
ZHANG Li-juan   +5 more
doaj   +1 more source

Presence and impact of silica and organics in uranium in-situ leaching solutions [PDF]

open access: yesE3S Web of Conferences
All uranium deposits of Uzbekistan mined by in-situ leaching (ISL) method belong to the so-called sandstone type and are formed on the redox barrier, with the Loyliken deposit, belonging to the so-called basal type, formed on the gley barrier, and all ...
Sharafutdinov Ulugbek   +5 more
doaj   +1 more source

Uranium metallogenic model of the Lower Cretaceous in the northern Ordos Basin

open access: yes地质科技通报, 2023
Since 2019, major breakthroughs have been made in the prospecting of the Lower Cretaceous sandstone-type uranium deposits in the northern Ordos Basin.
Longhui Wang   +8 more
doaj   +1 more source

Study on Mechanism of Oxygen Oxidation Leaching with Low Acid for High Acid Consumption Sandstone Uranium Deposit

open access: yes, 2023
In view of the problems of high acid consumption, the blockage of ore-bearing beds caused by iron ion precipitation and a low leaching rate in the conventional acid leaching of a sandstone-type uranium deposit, the author put forward “low-acid and ...
Ying Xu   +7 more
core   +1 more source

New discovery and prospecting prospect of sandstone type uranium deposits in Duolun Intermountain Basin, Inner Mongolia

open access: yes地质科技通报, 2021
This paper reports the first discovery of sandstone type industrial uranium mineralization in the Duolun Intermountain Basin in the Mesozoic volcanic rock area of Southeast Inner Mongolia by No.208 Geological Party, CNNC.In order to understand the type ...
Xiaojun Jiang   +5 more
doaj   +1 more source

Provenance of Jurassic Sediments from Yuqia Sandstone-Type Uranium Deposits in the Northern Margin of Qaidam Basin, China and Its Implications for Uranium Mineralization

open access: yes, 2022
The Yuqia uranium deposit is a newly discovered sandstone-type uranium deposit in the northern margin of the Qaidam Basin. Concerning the sources of sediment in the basin, most scholars have focused on the study of Cenozoic sediment sources in the ...
Guangwen Huang   +5 more
core   +1 more source

Zircon U-Pb ages and provenance characteristics of the Zhiluo Formation sandstones and the formation background of the uranium deposit in Huangling area, Ordos Basin, China

open access: yesChina Geology, 2021
The newly discovered medium-scale Huangling uranium deposit is located in the Shuanlong area of the southeast Ordos Basin. This paper presents the systematic geochemical and zircon U-Pb studies on the Zhiluo Formation sandstones in the Huanling area. The
Reng-an Yu   +7 more
doaj   +1 more source

Research on the current status and future of U-Pb chronology study of uranium minerals from the sandstone-type uranium deposits

open access: yes, 2018
In recent years we have conducted in-depth studies on the genetic mineralogy and U-Pb geochronology of uranium minerals (uraninite, coffinite, brannerite, etc.) and U-bearing minerals (rutile, apatite, etc.) from sandstone-type uranium deposit, using ...
Guo, Hu   +9 more
core   +1 more source

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