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Erschienen in: Earth Science Informatics 2/2024

16.01.2024 | Research

Cross-sections compilation-adjustment method based on 2D-3D linkage in regional three dimensional geological modeling

verfasst von: Xuechao Wu, Gang Liu, Wenyao Fan, Shijie Peng, Genshen Chen, Junjie Cheng, Yongjin Wu

Erschienen in: Earth Science Informatics | Ausgabe 2/2024

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Abstract

In 3D geological modeling methods based on section, cross-section data is an important data source for constructing 3D geological modeling in complex areas. The efficiency and quality of cross-section data compilation-adjustment will directly affect the time and quality of subsequent regional 3D geological model construction. However, current compilation-adjustment methods for cross-section are inefficient and difficult to effectively control their quality. Therefore, in this paper, a cross-section compilation-adjustment method based on 2D-3D linkage is proposed. It deeply integrates the virtual borehole geological structure (VBGS), 2D-3D linkage strategy, and structural geological feature information into the inspection-adjustment process of geologic bodies (faults, strata, rock masses, and ore bodies) structural abnormality (GSA) and elevation consistency at intersections. A complete cross-section compilation and quality control process can be realized by regional structural stratigraphic framework construction, GSA high efficiency analysis and adjustment, elevation errors quick positioning and adjustment at intersections. This new method solves the problem of inconsistency between the complex geological structures and the real structural geological characteristics and overcomes the defects of local fitting abnormality (depressions or sharp protrusions) of geological interfaces caused by elevation errors at intersections. Software tool is developed based on QuantyView 2D/3D GIS platform, and 73 cross-section data of a 1:50,000 modeling area in western Guizhou, China, is taken as an example for practical application verification. Results show that the proposed new method significantly improves the inspection-adjustment efficiency of GSA and elevation errors at intersections. What’s more, quality of cross-sections compilation-adjustment has been effectively controlled, which provides reliable data sources for constructing high quality regional 3D geological models.

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Literatur
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Metadaten
Titel
Cross-sections compilation-adjustment method based on 2D-3D linkage in regional three dimensional geological modeling
verfasst von
Xuechao Wu
Gang Liu
Wenyao Fan
Shijie Peng
Genshen Chen
Junjie Cheng
Yongjin Wu
Publikationsdatum
16.01.2024
Verlag
Springer Berlin Heidelberg
Erschienen in
Earth Science Informatics / Ausgabe 2/2024
Print ISSN: 1865-0473
Elektronische ISSN: 1865-0481
DOI
https://doi.org/10.1007/s12145-024-01221-w

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