马晔, 陈伟男, 卞利, et al. Occurrence Characteristics of Uranium in Sandstone Type Uranium Deposit in a Region Area of Ordos Basin[J]. 2022, (2): 68-73. DOI: 10.16056/j.2096-7705.2022.02.012.
In order to find out the occurrence characteristics of uranium in sandstone uranium exploration area of a region area
this work used field observation
combined with indoor rock ore identification
scanning electron microscopy
energy spectrum analysis
electron probe analysis and other techniques to carry out a detailed study of ore-bearing sandstone in the working area. Found that uranium ore is mainly produced in the region in the Jura straight
group under section on the segment
straight
group under section under the period of yanan group and the top at the bottom of the celadon gray fine-grained sandstone and conglomeratic sandstone in thick sandstone
yellow and brown
the main mineral composition containing ore body are quartz
calcite
potash feldspar
sodium feldspar
chlorite
mineral bearing sandstone is rich in pyrite and organic matter
uranium ore with uranium stone is given priority to
not in the form of the class with like or adsorption exists in pyrite
mainly in the form of uranium ore and dispersed adsorption exists in pyrite or other mineral fissure
through the study found that the region the occurrence form of sandstone
favorable land assault drilling
provide the basis for the next step of uranium mining in the region.
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