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Sarn type iron-rich ore deep exploration method and system based on multi-element geophysics

A geophysical and skarn-type technology, applied in geophysical measurement, electric/magnetic exploration, radio wave measurement system, etc., can solve problems that cannot meet the needs of deep exploration, improve exploration efficiency and mine penetration rate, The effect of major prospecting breakthroughs

Pending Publication Date: 2022-07-12
SHANDONG PROVINCIAL COAL GEOLOGICAL PLANNING EXPLORATION & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Skarn-type iron-rich deposits are easily affected by multiple factors such as overlying strata shielding and complex ore body shapes in deep exploration work. A single method or a simple combination of several methods can no longer meet the needs of deep exploration

Method used

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  • Sarn type iron-rich ore deep exploration method and system based on multi-element geophysics
  • Sarn type iron-rich ore deep exploration method and system based on multi-element geophysics
  • Sarn type iron-rich ore deep exploration method and system based on multi-element geophysics

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] like figure 1 As shown, this embodiment provides a multi-geophysics-based deep exploration method for skarn-type iron-rich ore, including the following steps:

[0035] Step 1: Obtain historical feature data, analyze metallogenic laws and structural characteristics, and obtain key work areas;

[0036] Step 2: Use the air geophysical method to analyze the regional structural structure and the distribution of magnetic bodies in the key working areas to obtain the optimal mine target area;

[0037] Step 3: For the optimal mine target area, based on the detection of ground objects, use a variety of geophysical methods to obtain the corresponding deep geological structures, jointly analyze all deep geological structures, build the initial model of gravity and magnetic inversion, and carry out combined gravity and magnetic inversion. interpret;

[0038] Step 4: Based on the results of combined gravity and magnetic inversion and interpretation, combined with the verification ...

Embodiment 2

[0057] This embodiment provides a multi-geophysics-based deep exploration system for skarn-type iron-rich ore, including:

[0058] The key work area acquisition module is configured to: acquire historical feature data, analyze metallogenic laws and structural characteristics, and obtain key work areas;

[0059] The optimal mine target area acquisition module is configured to: analyze the regional structural framework and the distribution of magnetic bodies for key working areas to obtain the optimal mine target area;

[0060] The ore body distribution result inversion module is configured to: for the optimal ore target area, based on the deep geological structure results of the joint analysis of the ground geophysical data, construct the initial model of gravity and magnetic inversion, and carry out the joint inversion and interpretation of gravity and magnetic;

[0061] The magnetite body distribution and location module is configured to: based on the combined gravity and mag...

Embodiment 3

[0063] This embodiment provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the above-mentioned multi-geophysics-based deep exploration method for skarn-type iron-rich ore deposits. step.

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Abstract

The invention relates to the technical field of deep prospecting of geological exploration, and provides a skarn type iron-rich ore deep exploration method and system based on multi-element geophysics, the method combines direct prospecting with indirect prospecting, adopts multiple geophysical methods such as gravity, magnetic method, electrical method, earthquake and the like, exerts the advantages of each geophysical method, and improves the exploration efficiency. According to the method, cross constraint and joint interpretation of multi-element geophysical information are carried out, deep ore body extension is deduced, drilling verification is carried out, geophysical well logging is carried out, geophysical interpretation results are repeatedly corrected with drilling and well logging information as constraints, accurate positioning of the hidden magnetite body is achieved, the exploration success rate is increased, and the exploration cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of deep ore prospecting in geological exploration, and in particular relates to a deep exploration method and system for skarn-type iron-rich ore deposits based on multivariate geophysics. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] With the increase of the exploration depth, the difficulty of obtaining deep geological information has increased significantly, and the drilling cost has also increased significantly. The traditional prospecting method of "drilling as the mainstay and geophysical exploration as a supplement" has gradually been transformed into "both geophysical exploration and drilling" in order to improve drilling insights. Ore rate and reduce exploration cost. Skarn-type iron-rich ore is easily affected by multiple factors such as overlying stratum shie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/38
CPCG01V3/38Y02A90/30
Inventor 沈立军朱裕振王怀洪李小彦孙超高志军周明磊张心彬刘雪
Owner SHANDONG PROVINCIAL COAL GEOLOGICAL PLANNING EXPLORATION & RES INST
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