Carbonaceous-siliceous-argillitic rock type uranium deposit target region optimization method based on elemental geochemical anomaly

A geochemical and elemental technology, applied in the direction of instruments, data processing applications, predictions, etc., can solve the problem of lack of clear uranium ore-forming target area method flow, lack of ore-seeking indicator elements and their screening methods, and the impact on the utilization level of geochemical data and the effect of uranium mine potential evaluation to achieve the effect of improving evaluation efficiency, ensuring objectivity, and strong operability

Active Publication Date: 2014-07-02
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

Uranium deposits in my country are mainly divided into four types, including granite type, volcanic rock type, carbon-silicon mudstone type and carbon-silicon mudstone type. Carbon-silicon mudstone-type uranium deposits are one of the most important types among the four major types of uranium deposits in my country. In the evaluation of geochemical anomalies, in the past, there were no cl...

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[0029] The present invention comprises the following steps in turn:

[0030] 1) Select a scale of 1:50,000 to 1:200,000 to deploy a measuring network in the prediction area, collect water sediment samples, and obtain geochemical data, or collect elemental geochemical data at a scale of 1:50,000 to 1:200,000;

[0031] 2) Compilation of single-element geochemical anomaly maps;

[0032] Compile a single-element geochemical equivalence map of all geochemical analysis elements in the prediction area;

[0033] 3) Mining point projection transformation;

[0034] The location of the known carbon-silicon mudstone-type uranium deposits in the prediction area is projected in the form of a point file using the same projection parameters as the digital geological map of the prediction area, and the prediction area without known carbon-silicon mudstone-type uranium deposits is converted to Mineral points and mineralized points are projected and transformed in the form of point files using...

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Abstract

The invention relates to a carbonaceous-siliceous-argillitic rock type uranium deposit target region optimization method based on elemental geochemical anomaly, comprising the following steps: 1) acquisition or collection of elemental geochemical data; 2) compilation of a single elemental geochemical anomaly chart; 3) ore spot projection transformation; 4) indicator element screening; 5) compilation of uranium (uranium is selected in granite-exposed areas) and ancillary indicator element geochemical anomaly charts and projection transformation; 6) judgment of abnormal forms; and 7) judgment of the level of uranium metallogenic prospect target regions. The method is suitable for multiple carbonaceous-siliceous-argillitic rock type metallogenic belts and predication areas nationwide, and has advantages of wide coverage, high effectiveness, high applicability and good accuracy. The method has clear indicator elements and has high operationality. Evaluation methodology procedures are standardized; evaluation efficiency is raised; and objectivity of research results is guaranteed.

Description

technical field [0001] The present invention relates to a method for selecting a carbon-silicon mudstone-type uranium ore target area based on elemental geochemical anomalies, in particular to a carbon-silicon-silicon mudstone-type uranium ore resource potential evaluation and uranium ore prospect target area prediction method Uranium ore target optimization method. Background technique [0002] Elemental geochemical method is an important and effective method for geochemical prospecting of uranium ore. This method evaluates and predicts the ore-forming potential of uranium ore through the abnormal content of ore-forming elements and associated elements in the region. Uranium deposits in my country are mainly divided into four types, including granite type, volcanic rock type, carbon-silicon mudstone type and carbon-silicon mudstone type. Carbon-silicon mudstone-type uranium deposits are one of the most important types among the four major types of uranium deposits in my cou...

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/02
Inventor 付锦赵宁博裴成凯李新春
Owner BEIJING RES INST OF URANIUM GEOLOGY
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