Ore prospecting method for carbonate rock type lead-zinc ore deposit

A carbonate rock and carbonate mineral technology, applied in measurement devices, material analysis by electromagnetic means, instruments, etc., can solve relevant research gaps, lack of systematic research and comparison of carbonate minerals, no carbonate Minerals and other issues, to achieve the effect of realizing economy, high promotion and application value, and improving ore prospecting efficiency

Inactive Publication Date: 2020-05-22
YUNNAN UNIV
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Problems solved by technology

[0003] Although previous studies on the mineralogy, trace, rare earth and carbon-oxygen-strontium isotopes of calcite in carbonate-type lead-zinc deposits have been carried out, the studies on dolomite, iron-manganese carbonate minerals, etc. The relevant research on other carbonate minerals is almost blank, lack of systematic research and comparison of various carbonate minerals, let alone the use of carbonate minerals as key prospecting marker minerals for the exploration of carbonate rock-type lead-zinc deposits method

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  • Ore prospecting method for carbonate rock type lead-zinc ore deposit

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Experimental program
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Effect test

Embodiment 1

[0031] The macroscopic color characteristics of the carbonate mineral veins developed on the surface and tunnels of the lead-zinc deposits in Permian carbonate rocks in Hezhang County, Guizhou Province were classified, and the impure milky white calcite (RGB 248, 248, 255), off-white dolomite (RGB is 245, 245, 245), light red ferromanganese carbonate minerals (RGB is 255, 182, 193) are systematically collected according to the distribution, and the coordinates of the sampling points and Photograph;

[0032] The obtained carbonate mineral samples were observed for cathodoluminescence, and the carbonate minerals (RGB is 165, 42, 42 or 139, 0, 0) with cathodoluminescence with brownish red and deep red concentric rings were found, and detailed mineralogical observations;

[0033] Rare earth geochemical indicators: After field and indoor screening of calcite, conduct rare earth element geochemical analysis by solution method or LA-ICPMS in situ method, obtain rare earth element co...

Embodiment 2

[0037] The macroscopic color characteristics of the carbonate mineral veins developed on the surface and tunnels of the lead-zinc deposits in Carboniferous carbonate rocks in Huize County, Yunnan Province were classified, and the impure milky white calcite (RGB is 248 , 248, 255), off-white dolomite (RGB is 245, 245, 245), light red ferromanganese carbonate minerals (RGB is 255, 182, 193) are systematically collected according to the distribution, and the coordinates of the sampling points are marked and photographed;

[0038] The obtained carbonate mineral samples were observed for cathodoluminescence, and the carbonate minerals (RGB is 165, 42, 42 or 139, 0, 0) with cathodoluminescence with brownish red and deep red concentric rings were found, and detailed mineralogical observations;

[0039] Rare earth geochemical indicators: After field and indoor screening of calcite, conduct rare earth element geochemical analysis by solution method or LA-ICPMS in situ method, obtain ra...

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Abstract

The invention discloses an ore prospecting method for a carbonate rock type lead-zinc deposit. The ore prospecting method comprises the steps of: field screening, indoor screening, rare earth geochemical index and carbon-oxygen isotope geochemical index recognition, ore prospecting geochemical index system establishment, abnormal graph drawing to guide ore prospecting and the like. The method canbe used for rapidly guiding prospecting prediction of carbonate rock type lead-zinc ore deposit to improve the prospecting efficiency, also can be used for judging the ore-forming fluid migration pathof the carbonate rock type lead-zinc deposit and indicating a prospecting direction, and has very high application and popularization value. According to the method, the problems of long period, highinvestment and high risk in the existing exploration technology are solved, the economical efficiency and high efficiency of carbonate rock type lead-zinc deposit potential evaluation and ore right decision are realized, meanwhile, the method is also one of the important ways for realizing green exploration, and the ecological environment problem possibly caused in the implementation process of the traditional exploration technology is solved.

Description

technical field [0001] The invention belongs to the technical field of mineral resources prospecting, and in particular relates to a method for prospecting carbonate rock type lead-zinc deposits. Background technique [0002] The epigenetic hydrothermal lead-zinc deposit with carbonate rock as the host rock, that is, the carbonate-type lead-zinc deposit, is one of the most important types of lead-zinc deposits in the world, and its lead-zinc resources account for about It is one of the main sources of key mineral resources such as germanium, which accounts for 16% of the total resources, and has long been valued by the international mineral deposit academic and industrial circles. Carbonate minerals are the main gangue minerals of carbonate-type lead-zinc deposits. During the mineralization process of carbonate rock-type lead-zinc deposits, carbonate minerals (rocks) participated in the entire formation process, and recorded the fluid information of the corresponding minera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/62G01N27/626
CPCG01N27/62
Inventor 周家喜
Owner YUNNAN UNIV
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