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Rapid ore prospecting method for shallow coverage region of Gobi and desert areas

A shallow coverage and desert technology, applied in the field of ore prospecting and exploration, can solve the problems of single working method, failure to comprehensively collect geophysical data, and general ore prospecting effect, and achieve the effect of improving efficiency.

Active Publication Date: 2018-10-19
陕西省矿产地质调查中心
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Problems solved by technology

The working method is single, the geophysical and chemical data cannot be collected comprehensively, the ore-forming geological conditions are comprehensively studied, and the ore prospecting effect is mediocre

Method used

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  • Rapid ore prospecting method for shallow coverage region of Gobi and desert areas

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Embodiment 1

[0022] A rapid prospecting method applicable to the Gobi desert shallow coverage area, comprising the following steps:

[0023] A: Select a favorable metallogenic area, select the regional ore-bearing horizon, the outer contact zone of the rock, and the structural development site, and combine the regional geophysical, geochemical, and remote sensing alteration information as a powerful metallogenic area;

[0024] B: Compile the surface geological map, carry out 1:10,000 geological survey for the powerful mineralization area selected through step A, fill in the structural and lithological map, and collect spectral or chemical analysis samples at the places that can be recognized by the naked eye or have strong alteration ;

[0025] C: Compile a 1:10,000 high-precision magnetic inferred structural interpretation map, design survey lines through Beidou or GPS navigation software for the powerful ore-forming areas selected in step A, and lay high-precision magnetic survey lines p...

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Abstract

The invention discloses a rapid ore prospecting method for a shallow coverage region of Gobi and desert areas. The method comprises: step A, selecting a favorable metallogenic area; step B, compilinga surface geological map; step C, compiling high-precision magnetic survey inferring structure explaining map with the scale of 1 to 10000; step D, making a soil measurement anomaly map and an inferential structure explanatory map with the scale of 1 to 10000; step E, making an induced intermediate gradient measurement apparent chargeability contour map, a apparent resistivity contour map, and aninference structural interpretation map with the scale of 1 to 10000; step F, making an undermining gamma-ray spectra measurement uranium, thorium, potassium, general-path contour planar graph and aninference structural interpretation map with the scale of 1 to 10000; step G, making a mining area bedrock geological structure lithologic map; step H, tracing a surface mineralization alteration zone; step I, determining a surface trenching engineering location; step J, determining a theoretical coordinate value of a drilling location; step K, installing a core drilling rig; step L, carrying outwhole-hole core acquisition; and step M, carrying out center alignment sampling analysis to obtain grade and spatial location data. Therefore, mineralization data can be collected comprehensively; thegeological mineralization conditions are studied comprehensively; and the efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of ore prospecting and exploration, and in particular relates to a rapid ore prospecting method suitable for the shallow coverage area of ​​the Gobi desert in northern my country. Background technique [0002] With the improvement of exploration level, prospecting in shallow overburden areas has gradually become a key part of ore prospecting breakthrough. The shallow coverage area of ​​the Gobi Desert is characterized by severe Quaternary coverage on the surface, dry climate, and large evaporation. Calcareous layers are often formed on the surface, which poses a challenge to the ore prospecting method with chemical exploration as the main method. In the existing technology, firstly, the geological conditions are ascertained through surface mapping, and the geochemical anomalies are obtained through geochemical exploration sampling, the anomalies are sorted, and the anomaly inspection starts. In this process...

Claims

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Application Information

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IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 赵鹏彬张继军高云鹏彭海练高峰
Owner 陕西省矿产地质调查中心
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