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Sandstone type uranium mine deep penetration geochemical ionization weak information extraction method

A geochemical and information extraction technology, applied in the field of uranium geochemical exploration, can solve the problems of low extraction anomaly contrast and large interference factors, and achieve the effect of high anomaly contrast, high matching degree and cost saving

Pending Publication Date: 2021-04-27
核工业二一六大队
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Problems solved by technology

In China, deep penetration geochemical weak extraction technology is in the experimental research stage in uranium ore exploration. The focus of attention is on the method of extractant ratio. Different extractants have different experimental results, but there are still extraction abnormalities in general. Disadvantages such as low contrast and large interference factors

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  • Sandstone type uranium mine deep penetration geochemical ionization weak information extraction method
  • Sandstone type uranium mine deep penetration geochemical ionization weak information extraction method
  • Sandstone type uranium mine deep penetration geochemical ionization weak information extraction method

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Effect test

Embodiment 1

[0057] (1) Field sample collection: Sample collection was carried out in the 510 uranium deposit in Xinjiang. The direction of the route layout was perpendicular to the direction of the uranium ore body. The working scale was 1:25000, and the point distance was 100m. The point distance on structural fractures or above the ore body was increased to 50m. , in order to ensure the quality of the data, data sampling is carried out by combining three-point collection into samples, the sampling depth is 25cm, and the sampling quality is 2kg;

[0058] (2) Sample processing: Drying treatment is carried out before sample processing to keep the sample dry, and the samples collected in the field are directly screened to -200 mesh for later use without crushing;

[0059] (3) Optimization of ionization experiment parameters: Take the same soil sample and 10g / L ammonium citrate solution respectively, prepare six samples with 200ml of each sample leaching solution at a ratio of 1:10, pour them...

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Abstract

The invention belongs to the technical field of uranium mine geochemical exploration, and particularly relates to a sandstone type uranium mine deep penetration geochemical ionization weak information extraction method. The method comprises the following steps of 1, field sample collection and sample processing; firstly, carrying out experiments on parameters such as field sampling method, sampling depth and sample granularity to determine optimal sampling parameters; and 2, optimizing trace element weak ionization extraction parameters, analyzing and testing; by carrying out an extracting agent selection experiment, an ionization voltage optimization experiment and an ionization time optimization experiment, optimal ionization experiment parameters being determined, and the content of complex cations and complex anions of uranium being analyzed; and step 3, data processing and abnormal information delineation. According to the method, high abnormal contrast display is achieved above the uranium ore body, the underground concealed uranium ore body can be indicated, and concealed uranium ore exploration precision is improved.

Description

technical field [0001] The invention belongs to the technical field of geochemical exploration of uranium ore, and in particular relates to a method for extracting weak information of deep penetration geochemical ionization of sandstone type uranium ore. Background technique [0002] With the increasing depletion of supergene and superficial mineral resources, the breakthrough of deep penetration exploration technology for hidden uranium deposits has become an urgent task. [0003] After years of development and application, deep-penetrating geochemical technology has achieved good prospecting results abroad, especially MMI and enzyme extraction technology, but due to foreign technology blockade, its technical methods are still kept secret. In China, deep penetration geochemical weak extraction technology is in the experimental research stage in uranium ore exploration. The focus of attention is on the method of extractant ratio. Different extractants have different experime...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/62G01N1/28G01N1/44
CPCG01N27/62G01N1/286G01N1/44G01N2001/2866
Inventor 张强李家金王毛毛张建梅王明力吕旭
Owner 核工业二一六大队
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