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Method for constructing alkali metasomatism type uranium ore mineralization mode

A metallogenic and model technology, applied in the field of uranium ore exploration, can solve problems such as difficulty and lack of mature technical methods, and achieve the effect of strong applicability, improved ore prospecting effect, and good effectiveness

Inactive Publication Date: 2018-01-12
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

At present, the establishment of the metallogenic model of alkali metasomatized uranium deposits is mainly based on alteration characteristics, geochemical characteristics, and sources of ore-bearing hydrothermal fluids. There are no mature technical methods for the construction of alkali metasomatized uranium deposits. larger

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Embodiment Construction

[0023] The present invention is described in further detail below in conjunction with embodiment.

[0024] A method for constructing an alkali metasomatism type uranium ore-forming model provided by the present invention comprises the following steps:

[0025] Step 1. Establish the basic spatial database of mineralization;

[0026] According to the range of alkali metasomatized rock work area, select the scale of 1:1000~1:50000, carry out regional geological survey, carry out rock-structural section survey, and collect all kinds of data (aerial release data, geological data, aeromagnetic data, remote sensing data) ) digitization and projection transformation, using the GIS (Geographic information system, geographic information system) platform to establish the basic spatial database of mineralization.

[0027] Step 2, determine key ore control factors;

[0028] Key ore-controlling factors include the development scale of alkali metasomatized rocks, the control effect of mine...

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Abstract

The invention belongs to the technical field of uranium ore exploration and particularly discloses a method for constructing an alkali metasomatism type uranium ore mineralization mode. The method comprises the following steps of step 1, establishing a mineralization basic space database; step 2, determining key ore-controlling factors; step 3, according to key ore-controlling factors determined in the step 2, extracting mineralization variables; step 4, constructing a mineralization mode according to mineralization variables obtained in the step 3. According to the invention, a spatial database is established and key ore-controlling factors are determined. Ore-controlling factors can be summarized adequately and systematically. Meanwhile, in combination with the establishment of the spatial database, the determination of key ore-controlling factors and the extraction of mineralization variables, key mineralization factors can be decomposed from a complex geological phenomenon, and themutual relation among key mineralization factors is disclosed. The hit rate of mineral exploration is improved, and the mineral exploration speed is increased.

Description

technical field [0001] The invention belongs to the technical field of uranium ore exploration, and in particular relates to a method for constructing an alkali metasomatism type uranium ore-forming model. Background technique [0002] The study of alkali metasomatism plays an important role in hydrothermal deposit science. The alkali metasomatized uranium deposit refers to the alkali metasomatized hydrothermal uranium deposit formed again in the previously formed sodium metasomatized (or potassium metasomatized) rock. During the more than 50 years of uranium geological exploration in my country, a certain number of alkali metasomatized rock-type uranium deposits have been found. The southern part of my country is represented by the Luodu deposit, and the northern part of my country is represented by the Jiling deposit. In the process of deposit exploration and research, a large amount of valuable first-hand information has been accumulated. Therefore, the construction of...

Claims

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Application Information

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IPC IPC(8): G01V11/00G01N33/24G06F17/50
Inventor 王生云范洪海顾大钊高洪雷宋振涛
Owner BEIJING RES INST OF URANIUM GEOLOGY
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