Method for predicting sandstone-type uranium mineralization prospective area based on multi-source geoscience information
A technology for prospecting and uranium mineralization, which is applied in the field of prediction of sandstone-type uranium mineralization prospects based on multi-source geological information, can solve the problems of unsuitable development status, high cost, and high exploration risk, and achieve obvious ore prospecting effect, based on sufficient effect
Pending Publication Date: 2021-04-30
BEIJING RES INST OF URANIUM GEOLOGY
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The most effective prospecting method for sandstone-type uranium deposits is to expose them by drilling. However, due to the high cost and high risk of exploration, it is not in line with the current development status in China.
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[0035] A method for predicting sandstone-type uranium mineralization prospects based on multi-source geological information provided by the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0036] Taking the Unit Depression in the Erlian Basin as an example, figure 1 As shown, a method for predicting sandstone-type uranium ore-forming prospects based on multi-source geological information provided by the present invention comprises the following steps:
[0037] Step 1. Collect and classify multi-source geological information in the Unit Depression, including geological information (G category), aerial release information (U category) and remote sensing information (R category). This step contains the following substeps:
[0038] Step 1.1. Systematically collect data maps, achievement reports and academic papers, such as geology, structure, uranium source, hydrology, etc. of the Unit Depression, and mark the...
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The invention belongs to the technical field of sandstone-type uranium deposit mineralization prediction, and particularly discloses a method for predicting a sandstone-type uranium mineralization prospective area based on multi-source geoscience information. The method comprises the following steps: 1, collecting and sorting multi-source geoscience information of a working area, and classifying the multi-source geoscience information, including geological information, aerial photography information and remote sensing information; 2, subdividing the geological information in the step 1 to obtain three types of subdivided information; 3, performing subdivision processing on the aerial photography information in the step 1 to obtain two types of subdivision information; 4, subdividing the remote sensing information in the step 1; 5, establishing the same projection coordinate system for the seven types of information, and importing the projection coordinate system into an ArcGIS platform; and 6, analyzing a spatial combination relationship of the seven types of elements by utilizing an ArcGIS platform, and delineating a sandstone type uranium mineralization prospective area. According to the method, geology, geophysics and remote sensing information are comprehensively considered, the sandstone type uranium mineralization prospecting area can be rapidly delineated, and the method can be applied to initial prospecting prediction of sandstone type uranium ore.
Description
technical field [0001] The invention belongs to the technical field of sandstone-type uranium ore-forming prediction technology, and in particular relates to a method for predicting sandstone-type uranium ore-forming prospect areas based on multi-source geological information. Background technique [0002] Uranium is an important national defense strategic material and an important energy material, which is an important factor affecting and restricting the development of the nuclear industry. In recent years, sandstone-type uranium deposits have become a hot spot in geological exploration and research of uranium deposits because of their own advantages and the characteristics of less environmental pollution from mining and smelting. However, sandstone-type uranium deposits are basically produced in sedimentary basins, mostly covered by the Quaternary system, and most of them are blind mines buried deep in the basin. The most effective prospecting method for sandstone-type u...
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IPC IPC(8): G01V9/00G01N33/24G06F16/29
CPCG01V9/00G01N33/24G06F16/29
Inventor 余长发刘德长张元涛李西得
Owner BEIJING RES INST OF URANIUM GEOLOGY