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Source tracking system using lithologic geochemical genes

A geochemical and tracking system technology, applied in chemical information database systems, chemical informatics data warehouses, chemical informatics programming languages, etc., can solve the problem of unable to detect similar areas of samples

Inactive Publication Date: 2020-03-27
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the existing problem of not being able to further confirm the similar area of ​​the test sample, and propose a provenance tracking system using lithology and geochemical genes

Method used

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  • Source tracking system using lithologic geochemical genes
  • Source tracking system using lithologic geochemical genes
  • Source tracking system using lithologic geochemical genes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A provenance tracing system using lithological geochemical genes, comprising the following steps:

[0039] S1. Calculate the lithologic geochemical gene pool based on the regional geochemical and multi-target geochemical survey results obtained by previous researchers;

[0040] S2. Collect samples that need to be tested, analyze the necessary element content of the tested samples, and then construct the geochemical gene sequence of the samples;

[0041] S3. Comparing the lithology genes of S2 with the lithology geochemical genes in the S1 gene database, and then calculating the similarity of the genes in the gene pool with respect to the genes in S2;

[0042] S4, outputting the similarity of comparison results;

[0043] S5. Assign a value of 1 to the samples that meet the genetic similarity standard, and assign a value of 0 to samples that do not meet the similarity standard;

[0044] S6. Outputting the assigned data comparison result.

[0045] Further, preferably, t...

Embodiment 2

[0064] Embodiment 2: Based on Embodiment 1, the difference is:

[0065] Collect rock samples, extract the geochemical genes of the rock samples, and determine the element sequence. For details, refer to Table 1 below;

[0066]

[0067] According to the geochemical genes in Table 1 above, bring them into the Earth Gene Database for comparison, and bring the comparison results into the following formula for calculation. For the calculation results, refer to Table 2 below;

[0068]

[0069] For areas where the output comparison result is greater than 80% (or 70%), referring to the above test results, it can be found that the geochemical gene characterizes the characteristics of the relative change trend of the element content of the geological sample. Different geological samples have different geochemical genes, so Geological samples can be identified using geochemical genes. However, due to the complexity of geological processes, the geochemical properties of elements ma...

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Abstract

The invention discloses a source tracking system using lithologic geochemical genes, and belongs to the field of geological sample detection tracking systems. The source tracking system is characterized in that the geochemical genes represent the characteristics of the relative change trend of the content between elements of geological samples, and different geological samples have different geochemical genes, so the geochemical genes can be utilized to identify the geological samples. However, due to the complexity of the geological action, the geochemical properties of the elements may change in some special geological environments, resulting in a change trend among the elements, i.e., the geochemical genes of geological samples with the same source may change within a certain range (i.e., the variability of the genes).

Description

technical field [0001] The invention relates to the field of geological sample detection and tracking systems, in particular to a material source tracking system using lithology and geochemical genes. Background technique [0002] Scientific issues such as the source and evolution of geological and geochemical processes are an important means of exploring the source of materials and revealing geochemical processes. Element geochemical tracing is based on the differences in the content and properties of elements in different geological bodies. As an important geochemical tracing method, it has been widely studied and applied. Common element geochemical tracer methods include element gene spectrum (including rare earth element distribution curve), element ratio, geochemical diagram, etc. These tracing methods are widely used in the tracing of rock types, diagenetic material sources of rocks, and discrimination of tectonic environments. However, most of the above-mentioned el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G16C20/20G16C20/90G01N33/24
CPCG16C20/20G16C20/90G01N33/24
Inventor 龚庆杰严桃桃吴轩
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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