ForGEO}: {An} open-source toolbox for {3D} geological modelling in {QGIS

Léana Quimerc'h and Simon Lopez and Thomas Janvier and Nicolas Clausolles and Laure Capar. ( 2025 )
in: 2025 {RING} meeting, pages 159, ASGA

Abstract

We introduce ForGEO, an open-source collection of python packages for building complex 3D implicit geological models in QGIS. The definition of geological volumes is based on boundary representation. We use a geologic pile to define the volumes to model (stratigraphic deposits, intrusions, …), their relative chronology and the depositional relationships between the successive stratigraphic deposits (erosions, unconformities, etc.). These volumes can be affected by discontinuities (faults, thrusts, etc.) which are described in a structural network. These discontinuities are integrated in the model as surfaces. They can have either finite or infinite extent and can branch one onto another. Two interpolation methods are available: the potential field method and elevation map kriging. These two methods can be combined into a single model, allowing the user to select for each model element the most suited interpolation method.

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BibTeX Reference

@inproceedings{Quimerch2025RM,
 abstract = {We introduce ForGEO, an open-source collection of python packages for building complex 3D implicit geological models in QGIS. The definition of geological volumes is based on boundary representation. We use a geologic pile to define the volumes to model (stratigraphic deposits, intrusions, …), their relative chronology and the depositional relationships between the successive stratigraphic deposits (erosions, unconformities, etc.). These volumes can be affected by discontinuities (faults, thrusts, etc.) which are described in a structural network. These discontinuities are integrated in the model as surfaces. They can have either finite or infinite extent and can branch one onto another. Two interpolation methods are available: the potential field method and elevation map kriging. These two methods can be combined into a single model, allowing the user to select for each model element the most suited interpolation method.},
 author = {Quimerc'h, Léana and Lopez, Simon and Janvier, Thomas and Clausolles, Nicolas and Capar, Laure},
 booktitle = {2025 {RING} meeting},
 language = {en},
 pages = {159},
 publisher = {ASGA},
 title = {{ForGEO}: {An} open-source toolbox for {3D} geological modelling in {QGIS}},
 year = {2025}
}