A method and system for prospecting target delineation based on geochemical data

A technology of geochemistry and geochemical elements, applied in the field of metallogenic prediction, can solve the problems of insufficient depth of information mining and inaccurate results of prospecting

Active Publication Date: 2021-07-06
INST OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

These methods often only consider one or a few element information, and the depth of information mining for the response of the exploration data set is not enough, and the results of prospecting are often inaccurate

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  • A method and system for prospecting target delineation based on geochemical data
  • A method and system for prospecting target delineation based on geochemical data
  • A method and system for prospecting target delineation based on geochemical data

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Embodiment Construction

[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] The terms "first", "second", "third", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily to describe a specific order or sequentially. It should be understood that the items so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-ex...

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Abstract

The invention relates to a method and system for delineating an ore prospecting target area based on geochemical data, which belongs to the field of metallogenic prediction. The program obtains residuals based on principal component analysis and linear regression, and then determines residual background values ​​and interpolation processing based on residuals Obtain the contour map or grid map, and finally delineate the prospecting target area according to the comparison between the residual background value and the residual value in the contour map or the residual value in the grid map. The present invention provides a new geochemical data processing method by combining the principal component analysis method with the current regression method. According to the scheme, the ore-prospecting target area can be accurately delineated, and the accuracy of ore-forming prediction can be improved.

Description

technical field [0001] The invention relates to the field of metallogenic prediction, in particular to a method and system for delineating an ore prospecting target area based on geochemical data. Background technique [0002] Delineation of prospecting target areas is a key step in mineral exploration and has strategic and tactical significance. A large number of mineral resources have been discovered through geochemical prospecting in the world, and geochemical prospecting is a conventional method of mineral prospecting. [0003] Predecessors used different data processing methods to determine the lower limit of anomalies, and then delineate geochemical anomalies, providing a basis for the delineation of prospecting target areas. Commonly used methods are mean + 2 times standard deviation method, concentration-area fractal method, etc. These methods often only consider one or a few element information, and the depth of information mining for the response of the explorati...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/18G06F16/29G06K9/62G06Q50/02
CPCG06F17/18G06F16/29G06Q50/02G06F18/2135G06F18/24
Inventor 孙莉肖克炎高阳
Owner INST OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
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