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A Gold Exploration Method in Strong Denudation Area

A gold ore and placer gold technology, applied in the field of gold mine exploration in strong denudation areas, can solve the problems of low success rate of ore prospecting, inability to quickly identify the mineralization center of gold deposits in denudation areas, and high cost, so as to reduce exploration costs and reduce exploration costs. The number of drilling wells and the effect of improving exploration efficiency

Active Publication Date: 2021-02-23
INST OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above-mentioned analysis, the present invention aims to provide a gold mine exploration method in a strongly denuded area to solve the problem that the existing exploration method cannot quickly identify the mineralization center of the gold deposit in the denuded area, and the success rate of ore prospecting is low and the cost is high. question

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  • A Gold Exploration Method in Strong Denudation Area
  • A Gold Exploration Method in Strong Denudation Area
  • A Gold Exploration Method in Strong Denudation Area

Examples

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Embodiment 1

[0053] The invention discloses a gold mine exploration method in a strong denudation area, such as figure 1 shown, including the following steps:

[0054] Step 101: Delineate the rock gold mineralization area based on the prospecting method of placer gold pointer mineralogy;

[0055] Step 102: Use geophysical prospecting methods to conduct exploration in the delineated rock gold mineralization area, and narrow down the scope of the prospecting target area.

[0056] The exploration method of the present invention comprehensively utilizes the quantity, mineralogy, and geochemical characteristic indexes of placer gold in the water system sediments to delineate the rock gold mineralization area, and combines the geophysical prospecting method to explore the concealed porphyry in the thick coverage area in the delineated rock gold mineralization area- Shallow low-temperature hydrothermal deposits can gradually and accurately narrow the prospecting target area, provide a basis for ...

Embodiment 2

[0058] A specific embodiment of the present invention discloses an ore prospecting method based on placer gold pointer mineralogy in step 101 of embodiment 1, which is suitable for gold ore exploration in denuded areas, such as figure 2 shown, including the following steps:

[0059] Step 1: Based on the laws of geological mineralization and combined with the existing regional geological data, determine the favorable prospecting areas for mineralization.

[0060] Based on the geological mineralization law and combined with the existing regional geological data to select exploration areas that have undergone strong denudation, such as selecting porphyry-epasis low-temperature hydrothermal deposits as the area to be explored, the screening criteria for the area to be explored that are favorable for mineralization include: The exploration area is located in the known large-scale metallogenic belt or ore concentration area; there are known porphyry or epithermal hydrothermal depos...

Embodiment 3

[0120] Another specific embodiment of the present invention discloses a method for prospecting gold mines in a strongly denuded area, specifically disclosing step 102 in Embodiment 1, that is, on the basis of the ore prospecting method based on placer gold pointer mineralogy in Embodiment 2 , using geophysical prospecting methods to conduct exploration in the delineated rock gold mineralization area, verify the delineation results of the rock gold mineralization area, and narrow the scope of the prospecting target area, which not only improves the accuracy of ore prospecting, but also greatly improves the exploration efficiency. Using geophysical prospecting methods to conduct exploration in the delineated rock gold mineralization area and narrow the scope of the prospecting target area, including the following steps:

[0121] After utilizing the ore prospecting method of embodiment 2 to delineate the rock gold mineralization area, adopt the geophysical prospecting method to co...

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Abstract

The invention discloses a gold mine exploration method in a strong denudation area, which belongs to the technical field of mineral resources exploration, and solves the problem that the existing exploration method cannot quickly identify the mineralization center of a gold deposit in a denudation area, and the success rate of ore prospecting is low and the cost is high question. The present invention delineates the rock gold mineralization area based on the gold placer mineralogy prospecting method, and utilizes the geophysical prospecting method to conduct exploration in the delineated rock gold mineralization area, narrows the scope of the ore prospecting target area, and not only improves the ore prospecting efficiency and the success of the ore prospecting The rate is high, and the exploration cost is greatly reduced, which is of great significance for the high-efficiency and low-cost search for gold deposits in areas with strong denudation and thick coverage of orogenic belts.

Description

technical field [0001] The invention relates to the technical field of mineral resource exploration, in particular to a gold mine exploration method in a strongly denuded area. Background technique [0002] Epithermal gold deposits are usually produced in volcanic rocks or volcanic structures above the gold-rich porphyry copper deposits, and the two together constitute a porphyry-epasiogenic low-temperature hydrothermal mineralization system, which provides a great resource for global industrial development. Part of the copper, gold, molybdenum and other metal resources are of great economic value. It is one of the types of deposits with the longest exploration history and the most mature exploration technology. Therefore, it has been widely concerned by industry and academia. With the development of the national economy, the social demand for copper and gold resources is increasing significantly, while outcrops and shallow areas of the surface are less and less easy to fin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 宋扬孙豪郑明杨超刘治博方颖方向
Owner INST OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI