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Method for quickly identifying uranium-rich granite

An identification method and technology for granite, applied in measuring devices, material analysis by optical means, instruments, etc., can solve the problems of low efficiency, time-consuming, large consumption of manpower and material resources, and achieve low cost, good promotion value, Efficient effect

Inactive Publication Date: 2019-05-28
BEIJING RES INST OF URANIUM GEOLOGY
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  • Abstract
  • Description
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Problems solved by technology

This method consumes a lot of manpower and material resources, has defects such as time-consuming, laborious, and low efficiency, and is difficult to meet the requirements of fast, efficient, and economical identification of uranium-rich granite.

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  • Method for quickly identifying uranium-rich granite

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0020] Such as figure 1 As shown, a rapid identification method for uranium-enriched granite provided by the present invention, the method specifically includes the following steps:

[0021] Step (1) Granite sample collection

[0022] Judging the geological characteristics of the granite body according to the needs, selecting a location with good surface exposure conditions and fresh rocks, and collecting representative granite samples. The granite required to be collected is of original massive structure and has not been weathered or hydrothermally altered. If the edge of the biotite mineral develops a reddish-brown edge, it means that the granite has suffered obvious weathering. If the biotite is dark green instead of the original black, or the potassium feldspar is dark red instead of the original meat red, it means that the granite has ...

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Abstract

The invention belongs to the field of uranium mineralization prediction, and particularly discloses a method for identifying uranium-rich granite based on polarizing microscope observation of rock slices. The method comprises the following specific steps that 1, a granite sample is collected; 2, the granite sample collected in the step 1 is processed into the rock slices; 3, granite zircon particles are found in the granite rock slices obtained in the step 2; 4, the edge characteristics of the granite zircon particles obtained in the step 3 are observed, and whether the granite zircon is uranium-rich zircon or not is judged; 5, the steps 3 and 4 are repeatedly executed on the rock slices obtained in the step 2, the edge characteristics of the zircon particles of the granite rock slices areobtained, and finally, whether the granite zircon is the uranium-rich zircon or not is judged. According to the method, through polarizing microscope observation of the granite rock slices, the uranium-rich granite can be quickly identified.

Description

technical field [0001] The invention belongs to the field of uranium ore metallogenic prediction, and in particular relates to a method for identifying uranium-rich granite based on rock thin-section polarizing microscope observation. Background technique [0002] Uranium-rich granite is an important source of mineral-forming materials for granite-type uranium deposits in South China. The known granite-type uranium deposits are mostly concentrated in the interior and margins of uranium-rich granite plutons. Therefore, uranium-rich granite is one of the important indicators for the regional mineralization prediction of granite-type uranium deposits. Traditionally, the identification of uranium-rich granite is usually carried out by artificial heavy sand sorting and identification methods. This method consumes a lot of manpower and material resources, has defects such as time-consuming, laborious, and low efficiency, and is difficult to meet the requirements of fast, efficien...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/84G01N21/25
Inventor 郭春影白芸
Owner BEIJING RES INST OF URANIUM GEOLOGY
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