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Recognizing method for concealed mineralization tectonic zone of granite type uranium deposit

An identification method, a granite technology, applied in the field of geological exploration, can solve the problems of identification, single detection means, and difficulty in reflecting deep metallogenic structural belts

Active Publication Date: 2014-10-01
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

[0003] The identification and detection methods of granite-type uranium ore-forming structural belts are relatively simple in the existing technology
The southern granite region has complex terrain and lush vegetation. The identification of metallogenic structural belts is mainly based on gamma measurement, supplemented by other radioactive measurement methods. This is effective in finding shallow metallogenic structural belts, but it is difficult to reflect deep mineralization. Structural zone

Method used

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Embodiment Construction

[0027] The present invention is described in further detail below in conjunction with embodiment.

[0028] The application area of ​​this embodiment is the Changpai-Xuetang'ao section in southern Guangxi, China (hereinafter referred to as "this area").

[0029] A method for identifying hidden ore-forming structural belts of granite-type uranium deposits provided by the present invention includes the following steps:

[0030] Step (1), making a large-scale remote sensing structure interpretation map.

[0031] (1.1) Establish remote sensing interpretation signs of fault structures on remote sensing images;

[0032] Using French Pleiades-1 satellite remote sensing images, by obtaining the fault structure features of ground objects, the remote sensing interpretation signs of fault structures are identified. The main fault structures in this area are three groups of NE-NE, NWW and near-North-South. Due to the different properties of fault structures in various aspects, they also...

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Abstract

The invention relates to a geological survey method and particularly discloses a recognizing method for a concealed mineralization tectonic zone of granite type uranium deposit. The recognizing method comprises the first step of manufacturing a large-scale remote sensing structural interpretation map, the second step of selecting a structural alteration zone A beneficial to mineralization is selected on the large-scale remote sensing structural interpretation map, the third step of extracting chemical detection information to obtain a structural alteration zone B beneficial to mineralization, the fourth step of extracting physical detection information to obtain a structural alteration zone C beneficial to mineralization, and the fifth step of determining a preferred mineralization target region. As geology, physics, chemistry and remote sensing methods are combined, the deep mineralization beneficial section of uranium can be recognized accurately, and a basis is provided for uranium prospecting and preference prediction.

Description

technical field [0001] The invention relates to a geological survey method, in particular to a method for identifying hidden ore-forming structural belts of granite-type uranium deposits. Background technique [0002] Granite-type uranium deposits are one of the four major types of uranium deposits in my country. For granite-type uranium deposits, only uranium-rich granite is not enough. Structural alteration zones play the role of ore-hosting and ore-conducting in granite-hydrothermal uranium deposits. It can provide a channel for the migration of ore liquid, and it can also provide a place for enrichment and integration of ore, and it is also a comprehensive reflection of mineralization information. The study of ore-forming structure is of great significance to understand the formation mechanism of ore-forming structure and the control effect of structure on the migration and enrichment of ore liquid. The metallogenic structural alteration zone is a part of the structural ...

Claims

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Application Information

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IPC IPC(8): G01V1/28
Inventor 庞雅庆高飞夏宗强聂江涛王健赵琳葛祥坤刘祜李翰波黄国龙徐文雄尹金双
Owner BEIJING RES INST OF URANIUM GEOLOGY
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