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Hard rock type uranium mine resource large-scale positioning prediction method

A prediction method and scale technology, applied in the field of uranium geology research, can solve the problem of high cost of drilling and exposure

Pending Publication Date: 2021-04-30
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

However, the cost of drilling exposure is very high. To reduce the drilling cost and increase the drilling rate, it is necessary to accurately locate the prospecting target area

Method used

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  • Hard rock type uranium mine resource large-scale positioning prediction method
  • Hard rock type uranium mine resource large-scale positioning prediction method

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Example 1: Large-scale location prediction of uranium resources in Xiangshan Ore Field

[0036] Step (1): Determine the prediction range and scale of the prediction area according to the work requirements and exploration work level.

[0037] The Xiangshan ore field is distributed in the Xiangshan volcanic basin, and the entire volcanic basin is used as the prediction range; the geological, geophysical and chemical exploration work covering the entire basin has reached 1:25000, so the 1:25000 prediction scale is adopted.

[0038] Step (2), collecting geological information, geophysical prospecting information and geochemical prospecting information in the predicted area, determining uranium ore-controlling factors in the predicted area, establishing a uranium ore-forming model in the predicted area, and determining elements for uranium ore prediction.

[0039] Step (2.1), the research level of Xiangshan Ore Field is relatively high, so by making full use of previous rese...

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Abstract

The invention belongs to the technical field of uranium ore geological research, and particularly relates to a hard rock type uranium mine resource large-scale positioning prediction method, which comprises the steps of determining a prediction range and a scale of a prediction area; collecting geological information, geophysical prospecting information and chemical prospecting information of the prediction area, determining uranium ore control factors of the prediction area, establishing a uranium ore mineralization mode of the prediction area, and determining uranium ore prediction factors; compiling a basic map and an information map; extracting prediction elements according to the basic map and the information map; calculating mineralization favorable degree, and delineating a mineralization favorable area; and comprehensively evaluating each mineralization favorable area by combining mineralization geological conditions, existing mineralization clues and geophysical and geochemical exploration conditions, and screening out a target area which can be subjected to drilling verification. According to the method, existing basic geology and geophysical and geochemical exploration data can be utilized, prediction elements are extracted through secondary development, and the hard rock type uranium mineralization favorable area is comprehensively predicted.

Description

technical field [0001] The invention belongs to the technical field of uranium ore geological research, and in particular relates to a method for large-scale positioning and prediction of hard rock type uranium ore resources. Background technique [0002] Hard rock-type uranium deposits include granite-type uranium deposits and volcanic-type uranium deposits, both of which are hydrothermal uranium deposits. Hard rock type uranium deposits are smaller in scale than sandstone type uranium deposits, but their grades are higher, especially some rich and large uranium deposits still have high development and utilization value. With the increase of uranium exploration, surface mines have been exhausted, and the exploration work is going deep. The most direct and effective way is to drill to reveal. However, the cost of drilling exposure is very high. To reduce the drilling cost and increase the drilling rate, it is necessary to accurately locate the prospecting target area. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/02
CPCG06Q10/04G06Q50/02
Inventor 夏宗强郭强谢宗芸严张磊肖箐
Owner BEIJING RES INST OF URANIUM GEOLOGY
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