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Method and system for carrying out ore body exploration by using time domain induced polarization method

An induced polarization method and time-domain technology, applied in the field of ore body exploration, can solve problems affecting the smooth progress of ore prospecting operations, difficult time-spectrum effect analysis and interpretation, and single observation parameters, so as to save exploration costs, reduce impacts, and reduce Effect of Solving Parameters

Pending Publication Date: 2021-09-28
陕西地矿第二综合物探大队有限公司
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Problems solved by technology

[0004] Regarding the above-mentioned related technologies, the inventor believes that there are the following defects: when carrying out exploration and ore prospecting operations in a relatively complex geological environment, it is difficult to analyze and interpret the time-spectrum effect in the above-mentioned technologies due to the relatively single observation parameters. It is difficult for the model to interpret and analyze the exploration results in a relatively complex geological environment, which makes it difficult to distinguish the ore bodies in the carbonaceous layer in the formation, which affects the smooth progress of ore prospecting operations

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  • Method and system for carrying out ore body exploration by using time domain induced polarization method

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[0080] The following is attached Figure 1-11 The application is described in further detail.

[0081] The embodiment of the present application discloses a method for ore body exploration by using the time-domain induced polarization method.

[0082] refer to figure 1 , the execution steps of this method include:

[0083] 101. Collect the apparent resistivity and apparent polarizability of the target mining area.

[0084] Among them, the acquisition of the apparent resistivity and apparent polarizability of the target mining area is completed by using the instrument and according to the direct current induced electric method.

[0085] 102. Select the IP spectrum model and perform forward modeling according to the design theoretical value to obtain the forward modeling results.

[0086] Among them, the IP spectrum model with strong applicability is selected. In this embodiment, the Cole-Cole model is selected as the IP spectrum model, and then the forward simulation of the...

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Abstract

The invention discloses a method and system for carrying out ore body exploration by using a time domain induced polarization method, and relates to the technical field of ore body exploration, and the method comprises the following steps: analyzing rock physical properties of a target mining area; acquiring the apparent resistivity and the apparent polarizability of the target mining area based on the reference of the rock physical property; selecting an induced polarization spectrum model and performing forward modeling according to the design theoretical value to obtain a forward modeling result; and based on the optimal solution of the spectral parameters, the apparent resistivity and the apparent polarizability, performing polarization anomaly identification on the target mining area, and performing ore body delineation in the target mining area according to polarization anomaly, wherein the polarization anomaly is caused by an ore body in a carbonaceous layer of the target mining area. The method has the advantage that the ore body can be easily delineated from the carbonaceous layer.

Description

technical field [0001] The present application relates to the technical field of ore body exploration, in particular to a method and system for ore body exploration using time-domain induced polarization method. Background technique [0002] Nowadays, in the ore body exploration work, the direct current method can be used for exploration, and the direct current method is also the most commonly used exploration technology at present, and the time-domain induced polarization method is an important part of this exploration technology. Therefore, the research on the spectral IP effect changing with frequency or time has always been a hot spot in the development of IP method, and many achievements have been made in terms of equivalent models, working methods, physical experiments, and instrument development. Spectral parameters are used as auxiliary explanations. The methods have also been gradually applied, but they are mainly applied to ground frequency domain methods. With th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/38
CPCG01V3/38Y02A90/30
Inventor 牛峥刘会毅秦长春
Owner 陕西地矿第二综合物探大队有限公司
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