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Method of quickly contouring multi-metal mineralization position

A polymetallic and rapid technology, applied in the field of geological and mineral exploration, can solve the problems of low efficiency, difficult to carry out work in complex terrain, limited detection depth, etc. Effect

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

The disadvantage of this method is that the IP sounding work process in the latter stage is not only inefficient, but also the detection depth is limited, and it is difficult to work in areas with complex terrain

Method used

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Embodiment Construction

[0019] The technical solution of the present invention will be described in detail below.

[0020] The purpose of the invention is to disclose a new technique for quickly locating mineralization positions to the field of polymetallic mineral exploration. This method is divided into two steps: first, carry out the scanning work of the IP ladder within the working range, so as to delineate the IP anomaly in the measurement area; Geoelectric structure information. Based on the results of these two steps, the location information where mineralization may exist is delineated.

[0021] The specific technical solution is: a method for quickly delineating the location of polymetallic mineralization, including the following steps:

[0022] (1) Lay out the geophysical IP medium-ladder scanning surveying network in the exploration area, wherein: the line spacing of the medium-ladder scanning surveying network is set according to the working scale requirements of the corresponding explo...

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Abstract

The invention belongs to the technical field of applied geophysics of the field of geological mineral exploration, and particularly relates to a method of quickly contouring a multi-metal mineralization position. The method comprises the following steps of laying a geophysical induced polarization intermediate gradient surface scanning survey network in an exploration area, carrying out induced polarization intermediate gradient survey on the laid geophysical induced polarization intermediate gradient surface scanning survey network, laying an audio magnetotelluric survey network to find out underground electric difference at the abnormal induced polarization position according to the abnormal induced polarization form, carrying out survey on each survey line of the audio magnetotelluric survey network, carrying out inversion on data of the audio magnetotelluric survey and ensuring the inversion result to be consistent, drawing a geoelectric section diagram of the corresponding survey line, determining geoelectric characteristics at the abnormal induced polarization position according to the geoelectric section diagram of each survey line of the audio magnetotelluric survey network, and determining the electric transition zone and the electric change zone below the abnormal induced polarization position to be the possible mineralization position according to the geoelectric characteristics acquired by the audio magnetotelluric engineering.

Description

technical field [0001] The invention belongs to the technical field of applied geophysics in the field of geological and mineral exploration, and in particular relates to a method for quickly delineating the location of polymetallic mineralization. Background technique [0002] With the development of economic construction, the demand for minerals is becoming more and more important and urgent. Effective geophysical prospecting methods are of great significance to mineral development. In general, the main technical route for finding polymetallic mineralization information is based on time-domain induced polarization (TDIP). In this process, the work should be divided into two stages. First, the IP medium ladder scan is carried out, and then IP sounding is carried out on this basis, and the information of the two is used to determine whether there is mineralization information in the work area. The disadvantage of this method is that the IP sounding process in the latter st...

Claims

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Application Information

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IPC IPC(8): G01V3/00
Inventor 腰善丛张濡亮万汉平
Owner BEIJING RES INST OF URANIUM GEOLOGY
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