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"Four-step" method for large-scale positioning and detection of deep hydrothermal deposits or ore bodies

A scale and ore deposit technology, applied in the field of mineral resource exploration, can solve the problems of lack of universal technical methods, etc., and achieve the effect of good application effect, high detection accuracy and strong operability

Active Publication Date: 2019-02-19
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a lack of universal technical methods for the location detection of hidden ore deposits or ore bodies in deep hydrothermal deposits at large scale (1:200-1:50000) or deposit (body) scale

Method used

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  • "Four-step" method for large-scale positioning and detection of deep hydrothermal deposits or ore bodies
  • "Four-step" method for large-scale positioning and detection of deep hydrothermal deposits or ore bodies
  • "Four-step" method for large-scale positioning and detection of deep hydrothermal deposits or ore bodies

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Example 1: Prospecting prediction for deep positioning of a lead-zinc deposit in Yunnan

[0069] 1. Work background

[0070] The mineral resources of a lead-zinc mine are in a serious crisis, facing the situation that conventional prospecting methods are ineffective, and the difficulty of prospecting prediction is increasing. Although TEM and IP geophysical prospecting methods are used, the inference and interpretation of resistivity and high polarizability anomalies obtained by these methods are highly ambiguous, and water-bearing faults, coal-bearing strata, surface high-voltage lines, and mine underground rail facilities can cause problems similar to those of ore bodies. It is difficult to distinguish whether the obtained anomalies are mine-induced anomalies or non-mineral anomalies; the anomalies delineated by geochemical prospecting methods are also multi-solution, and it is difficult to determine the spatial location of deep hidden ore bodies.

[0071] The deposi...

Embodiment 2

[0097] Example 2: Prospecting and prospecting for deep positioning in a certain lead-zinc prospecting area

[0098] 1. Work background

[0099] A lot of geological work has been carried out in a lead-zinc exploration area, but the prospecting work has been stagnant, and the prospecting progress has not been significant. Only some small vein-shaped orebodies were discovered in the early stage, mainly in the Sinian dolomite. The characteristics of right-hand torsional compression structure control are obvious. Hydrothermal alterations such as dolomitization, pyritization, calcite, and silicification are developed in the coarse-grained dolomite in the Carboniferous in the exploration area, which has the conditions for deep ore prospecting prediction.

[0100] , adopt the specific implementation process of the inventive method as follows:

[0101] 1) Analysis stage of metallogenic law of ore deposit

[0102] The vein-shaped small orebodies discovered in the early stage of the e...

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Abstract

The invention discloses a 'four-step' large-scale method for locating and detecting deep hydrothermal ore deposits or ore bodies. Deep ore deposits or ore bodies are directly located and detected through four stages, namely, ore deposit forming rule research, fine analysis of ore forming structure, altered lithofacies mapping and structural geochemical fine exploration, and geophysical deep detection and concealed ore location prediction. The method is based on a large-scale (1:200-1:50000) progressive deep-buried ore deposit or ore body location and detection technology integrating 'ore deposit model prediction, structure prediction, altered lithofacies mapping and structural geochemical fine exploration, and geophysical exploration'. A systematic deep ore exploration technology is realized.

Description

technical field [0001] The invention relates to a "four-step" prospecting method for positioning and detecting hidden deposits or ore bodies, specifically a "four-step" large-scale positioning and detecting method for deep hydrothermal deposits or ore bodies, which belongs to the field of mineral resource exploration. Background technique [0002] Deep prospecting positioning and detection is one of the main difficulties and research hotspots in the current scientific frontier of prospecting and prediction and in the field of ore deposit exploration, and it is also the main direction and development trend of future mineral exploration. Traditional physical and chemical prospecting methods mainly use the differences in physical property parameters and element content of surrounding rocks and ores to indirectly infer whether there are hidden ore deposits or ore bodies in the deep. Due to the large electromagnetic interference and other reasons, it is difficult for a single pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 韩润生吴鹏王峰周高明
Owner KUNMING UNIV OF SCI & TECH
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