Academic literature on the topic 'Modélisation géologique structurale 3D'
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Journal articles on the topic "Modélisation géologique structurale 3D"
Renard, Didier, Christian Lajaunie, Simon Lopez, Cécile Allanic, Gabriel Courrioux, Bernard Bourgine, and Philippe Calcagno. "La géostatistique au service de la modélisation géologique 3D." Annales des Mines - Responsabilité et environnement N° 94, no. 2 (2019): 30. http://dx.doi.org/10.3917/re1.094.0030.
Full textPouliot, Jacynthe, Bernard Lachance, and Donna Kirkwood. "L'importance de la modélisation géométrique pour les SIG 3D : Exemple du développement d'un modèle topologique 3D pour une application géologique." Revue internationale de géomatique 16, no. 1 (March 30, 2006): 29–49. http://dx.doi.org/10.3166/rig.16.29-49.
Full textKazmierczak, Elise, Stéphane Jaillet, Sara Vandycke, and Sophie Verheyden. "Modélisation 3D par imagerie lidar et analyse structurale de la Salle du Dôme des Grottes de Han-sur-Lesse (Belgique, Ardenne)." Géomorphologie : relief, processus, environnement 26, no. 4 (December 15, 2020): 231–40. http://dx.doi.org/10.4000/geomorphologie.14912.
Full textKiecak, Aleksandra, Jan Huch, Alberto Albarrán-Ordás, Lilian Chavez-Kus, and Kai Zosseder. "Interprétation de l’hydrogéochimie de la Molasse d’Eau Douce Supérieure (Obere Süßwassermolasse) dans la région de Munich (Bavière, Allemagne) à l’aide d’une analyse multivariée et d’une modélisation géologique en 3D." Hydrogeology Journal, December 27, 2023. http://dx.doi.org/10.1007/s10040-023-02761-z.
Full textDissertations / Theses on the topic "Modélisation géologique structurale 3D"
Guyonnet-Benaize, Cédric. "Modélisation 3D multi-échelle des structures géologiques de la région de la faille de la moyenne Durance (SE France)." Thesis, Aix-Marseille 1, 2011. http://www.theses.fr/2011AIX10050.
Full textThe complexity of geological structures in Middle Durance region makes difficult the characterization and evaluation of seismic risk in this region. Understanding these structures in 3D requires to use modern techniques of 3D digital modelling in order to achieve the 3D geological models of the bedrock with coherence on different scales, to perform ground motion simulations. Building 3D geological models need to normalize heterogeneous geophysical and geological databases (oil boreholes, geotechnical boreholes, seismic profiles, H/V geophysical profiles, high and low resolution geological mapping, biostratigraphic dating,...) in the 3D software gOcad. The realization of 3D geological models allows to characterize the 3D geometry of main the tectonic structures in Middle Durance region, including the Middle Durance Fault Zone (ZFMD) and the high resolution geometry of geological bedrock of the Cadarache Valley, and in particular its tertiary sedimentary fill. Our study allows to specify the ZFMD 3D geometry and its role on the adjacent geological structures. The ZFMD is a transfer zone that limits lateral extension and changes the geometry of folds and thrusts. The Middle Durance tectonic structures are characterized by a thin-skin deformation. Salt tectonics plays an important role in this deformation (detachment level, training and 3D geometry of folds). At the scale of the Valley of Cadarache, outcrop geological study coupled with boreholes geostatistical study allows to perform a 3D simulation of the spatial distribution of facies and to propose a 3D sedimentary model for the Tertiary filling of the Cadarache Valley. It is characterized by sedimentation in two steps: a first step of filling by important detrital inputs from the Southeast, related to the erosion of the Maures-Esterel massif, a second step of filling by deposits of fluvial meandering sand-dominant environment with high-sinuosity. Finally, building multi-scale 3D models allows explaining the formation of the Valley of Cadarache in the geodynamic context of the Middle Durance region at Tertiary times, and particularly under the influence of the Pyrenean compression and ZFMD on the Middle Durance region and the Valley of Cadarache
Laouici, Imadeddine. "Geological knowledge formalization and automation of the structural interpretation process for building 3D architectures of the sub-surface." Electronic Thesis or Diss., Orléans, 2024. https://theses.univ-orleans.fr/prive/accesESR/2024ORLE1072_va.pdf.
Full textCurrent systems used to build 3D structural geological models offer essential solutions for geometric representations, but often rely on expert interpretations and the existing mathematical formalism. One of the scientific challenges is the inability of these systems to be deeply involved in the interpretation process due to the tacit use of knowledge by experts. This leads to problems of sharing and integrating knowledge in systems, as well as issues in reproducing and communicating models. This research explores an innovative modeling approach, centered on the notion of interpretation and the explicit use of knowledge. In this context, two major contributions are proposed: an interpretation formalism supported by a prototype algorithm, and an ontological framework to formalize the knowledge used by experts during the modeling process
Godefroy, Gabriel. "Modélisation cinématique et stochastique des failles à partir de données éparses pour l’analyse des incertitudes structurales." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0052/document.
Full textThe sparsity and the incompleteness of geological data sets lead geologists to use their prior knowledge while modeling the Earth. Uncertainties in the interpretation are an inherent part of geology. In this thesis, I focus on assessing uncertainties related to the modeling of faulted structures from sparse data. Structural uncertainties arise partly from the association of fault evidence explaining the same structure. This occurs especially while interpreting sparse data such as 2D seismic lines or limited outcrop observations. I propose a mathematical formalism to cast the problem of associating fault evidence into graph theory. Each possible scenario is represented by a graph. A combinatorial analysis shows that the number of scenarios is related to the Bell number and increases in a non-polynomial way. I formulate prior geological knowledge as numerical rules to reduce the number of scenarios and to make structural interpretation more objective. I present a stochastic numerical method to generate several interpretation scenarios. A sensitivity analysis, using synthetic data extracted from a reference model, shows that the choice of the interpretation rules strongly impacts the simulated associations. In a second contribution, I integrate a quantitative description of fault-related displacement while interpreting and building 3D subsurface models. I present a parametric fault operator that displaces structures closely surrounding a fault in accordance with a theoretical isolated normal fault model. The displacement field is described using the maximum displacement (Dmax), two profiles on the fault surface (TX and TZ), and a third profile representing the displacement attenuation in the normal direction to the fault surface. These parameters are determined by numerical optimization from the available structural observations. This kinematic fault operator ensures the kinematic consistency of structural models built from sparse data and/or in polyphasic deformation contexts. These two modeling methodologies are tested and discussed on two data sets. The first one contains nine seismic lines imaging a faulted and fractured basement in the Ifni Margin, offshore Morocco. The interpretation of these lines is guided by orientation measurements coming from a nearby onshore field analog. However, uncertainties remain on the association of observations and on the structure chronology. The second data set is located in the Santos Basin, offshore Brazil. A seismic cube exhibits normal faults within a layered sedimentary sequence. I build a reference structural model from this high quality seismic data. The kinematic and stochastic methodologies can be tested and discussed on synthetic sparse data extracted from this known reference model
Souloumiac, Pauline. "Mécanismes 3D de ruine en géologie structurale : approches numérique et analogique." Phd thesis, Ecole Centrale Paris, 2009. http://tel.archives-ouvertes.fr/tel-00453317.
Full textMejía-Herrera, Pablo-Eliécer. "Apport de la modélisation 3D et de la restauration structurale dans la compréhension des gisements de matières premières minérales." Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0308/document.
Full textThe objective of this Ph.D. thesis is to apply 3D and 4D modeling methods to reconstruct the architecture and deformations over time of geological entities in a defined region. Structural restoration modeling is used here to estimate geological, physical and structural attributes for understanding the origin of ore-deposits, and for identifying potential mineralized areas. We focused this thesis on 3D and 4D modeling on real case studies with different geological contexts (e.g. uplifting, fault activity and shortening), demonstrating the advantages and drawbacks on their use for similar situations. This thesis is organized into three parts: (i) the application of structural modeling in the mining district of the Copper Belt of Legnica-Glogów (south-west Poland). A surface-restoration approach was applied to estimate favorable conditions for hydraulic fracturing during an inversion, occurred in the northern part of Europe at Late Cretaceous--Early Paleocene. In our hypothesis, hydraulic fracturing developed at that time played an important role in the distribution of copper content observed in present days in the mining district. (ii) The curvature calculated on triangulated surfaces that represent the stratigraphic horizons in the Fore-Sudetic region (Poland), are used to highlight the fault systems in the basement as well as their activity. High curvature values reveal the fault activity which is associated with the copper mineralization process in the region. (iii) Mechanical restoration of the Mount Pleasant, Western Australia, simulates an Archean shortening event which occurred in the area linked to the gold mineralization process. The mechanical restoration was used to estimate the strain field in the region at the time of shortening. This deformation field was used to estimate the damage parameters of the rock mass. They show new potential gold areas located in off-fault gold systems. In conclusion, it is shown that 3D modeling and structural restoration could be used to identify potential favorable zones for the presence of mineralization, and seem promising as a tool for the exploration of ore-deposits and mineral resources
Gabalda, Sunsearé. "Processus d'exhumation dans les Alpes occidentales : modélisation géométrique et reconstitution géodynamique sur la transversale Chartreuse-Maurienne, une approche multi-échelle." Phd thesis, École Nationale Supérieure des Mines de Paris, 2008. http://pastel.archives-ouvertes.fr/pastel-00005248.
Full textPerrouty, Stéphane. "Évolution structurale de la ceinture minéralisée d'Ashanti, SO Ghana." Toulouse 3, 2012. http://thesesups.ups-tlse.fr/1796/.
Full textThe Paleoproterozoic Ashanti Belt hosts numerous world class gold deposits such as the Obuasi deposit (60 million ounces) and the Tarkwa deposit (40 million ounces). Characterising the regional structural and magmatic evolution provides new insight into the geotectonic context forming these deposits. In this work, we propose (1) a new geologic and structural map of the area using field observations and airborne geophysical data, (2) a structural context of early gold mineralisation in the Wassa mine, (3) an interpretation of the magmatic evolution during the Eburnean Orogeny and (4) a three-dimensional model of the Ashanti Belt showing possible litho-structural control of the mineralisations
Bellot, Jean-Philippe. "La structure de la croûte varisque du Sud-Limousin (Massif-Central français) et ses relations avec les minéralisations aurifères tardi-orogéniques : apport des données géologiques, gitologiques, géophysiques et de la modélisation 3D." Montpellier 2, 2001. http://www.theses.fr/2001MON20214.
Full textLégaré-Couture, Guillaume. "Hydrostratigraphie et modélisation géologique 3D du sud-ouest de la Mauricie." Thèse, Université du Québec à Trois-Rivières, 2013. http://depot-e.uqtr.ca/7310/1/030621770.pdf.
Full textGonçalvès, Julio. "Modélisation 3D de l'évolution géologique du bassin de Paris : implications diagénétiques et hydrogéologiques." Paris 6, 2002. http://www.theses.fr/2002PA066526.
Full textReports on the topic "Modélisation géologique structurale 3D"
Caron, O., M. Lamothe, N. Benoit, and M. Nastev. Modélisation géologique 3D des sédiments quaternaires du bassin versant de la rivière Chaudière, Québec. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2014. http://dx.doi.org/10.4095/295183.
Full textLogan, C. E., H. A. J. Russell, A. K. Burt, A. Burt, R. P. M. Mulligan, D. R. Sharpe, and A. F. Bajc. A three-dimensional surficial geology model of southern Ontario. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/pudw24j7tx.
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