Literatura científica selecionada sobre o tema "Failles (géologie) – Eubée (Grèce)"
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Teses / dissertações sobre o assunto "Failles (géologie) – Eubée (Grèce)":
Caroir, Fabien. "Analyse structurale du domaine Nord Eubée : rifting plio-quaternaire et décrochements actifs dans le prolongement occidental de la faille Nord-Anatolienne (Projet WATER)". Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILR030.
The Aegean domain is the theatre of numerous major geodynamical events since Triassic. These divergence and convergence phases have continued to shape the landscape, the crust and the lithospheric mantle of Western Mediterranean. Today, the result is the Anatolia-Aegea microplate, bordered by the North Anatolian Fault, the Arabic Plate, the Hellenides and by the African Plate subduction beneath the Aegean Sea. The southward migration of this subduction since Eocene is responsible for the Aegean crust stretching and thinning, forming Metamorphic Core Complexes and rifts. The current extensive stresses are located in the rifts, like ones of Corinth and of the Sperchios-North Evia Gulf in continental Greece. The last one, as well as North Evia, the Oreoi Channel and the Skopelos Basin, are situated in the prolongation of the western termination of the North Anatolian Fault which marks the plate boundary between Eurasia to the north and Anatolia-Aegea to the south. These areas constitute the North Evia domain, a key-region in order to understand the deformation between Eurasia and the aegean domain. The objective of this PhD thesis is to characterize the inland deformation and especially the offshore one to place the North Evia domain in the context of continental Greece, on the scale of this diffuse plate boundary. These works are based on the interpretation of new very high resolution reflection seismic data (Sparker) acquired during the oceanography surveys “WATER” 1 and 2. The global study has been divided into two main steps: (1) analysis of structures within the North Evia domain and (2) characterization of the current deformation in this domain and its evolution since the rifting initiation.The Sparker profiles interpretation allowed to establish a tectonic detailed map which was then integrated into the regional deformation context through the compilation of inland published structural data. This map highlights four fault directions: NE-SW, NW-SE, WNW-ESE and W-E throughout the entire North Evia domain. These directions were put into perspective with the clockwise rotations recorded near to the rift, allowing thus to propose a new chronological model for the North Evia domain since the beginning of the rifting process. The last step of this model presents the current situation which is marked by numerous earthquakes of magnitudes between 4 and 7 and by numerous focal mechanisms linked to these events. The interpretation of these focal mechanisms emphasizes right-lateral strike-slip movements along NE-SW striking faults, and left-lateral strike-slip movements along NW-SE striking faults. The current deformation of the North Evia domain highlights, firstly, the complexity of fault networks which seem all active and, secondly, the complex deformation within this diffuse plate boundary where the North Anatolian Fault could have an influence on the clockwise rotations and the NE-SW striking faults. The Sperchios-North Evia Gulf has been placed into the continental Greece context, in particular from two crustal-scale cross-sections located between Peloponnese and Evia. These cross-sections show asymmetries of Corinth and Sperchios-North Evia Gulf rifts and their relationship with crustal thickness variations. Thus, the western parts of the both rifts seem to be controlled in depth by northward low-angle structures, a detachment for Corinth and the Pelagonian Thrust Front for Sperchios-North Evia Gulf. In the west, the Moho is deeper beneath the rifts and it goes up to the plumb of the reliefs located north of each rifts, thus rifts and crust show a strong asymmetry. In the East, the Moho is shallow beneath the rifts and the entire structure seems symmetrical
Boiselet, Aurélien. "Cycle sismique et aléa sismique d'un réseau de failles actives : le cas du rift de Corinthe (Grèce)". Paris, Ecole normale supérieure, 2014. https://tel.archives-ouvertes.fr/tel-01456400.
Elias, Panagiotis. "Ground deformation observed in the western Corinth rift (Greece) by means of SAR interferometry". Paris, Ecole normale supérieure, 2013. https://tel.archives-ouvertes.fr/tel-00839348.
Lecomte, Emmanuel. "Détachements et failles normales à faible pendage : cinématique et localisation de la déformation. Approche de terrain et modélisation numérique. Exemple des Cyclades". Paris 6, 2010. http://www.theses.fr/2010PA066470.
Scheffer, Christophe. "Réservoirs fluides et transferts en contexte d'exhumation orogénique : implications sur la position structurale des minéralisations Cu-Pb-Zn-Fe-Ag dans la région Lavrion-Eubée (Grèce)". Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0270/document.
This thesis is focused on the Attico-Cycladic orogenic wedge formed during the Alpine orogeny. From a multi-method and multi-scale approach using structural geology, petrography, mineral thermobarometry, element and isotope geochemistry, and PVTX data of associated fluid inclusions, this study deciphers the relationships between fluid circulation, fluid-rock interactions and mobilisation-transport-deposits of metals. Marbles and schists from the Evia Island and the Lavrion peninsula testify to a complex orogenic history marked by an Eocene burial phase followed by syn- and post-orogenic exhumation. Cu-Pb-Zn-Fe-Ag mineralisations from the Lavrion area are synchronous with the formation of the low-angle post-orogenic detachment and the emplacement of granodioritic magmas. The structural position of the deposits attests of an emplacement during ductile to brittle deformation conditions. Deposits associated with ductile to ductile-brittle deformation (skarn, carbonate replacement) are related to a marble decarbonation and magmatic fluid circulation. The progressive exhumation of the orogenic wedge allows the transition toward brittle conditions and opens the system to surficial meteoritic fluids. This meteoritic fluid circulation is responsible to remobilisation of metals from primary deposits allowing thus a second phase of deposition in a pure brittle deformation (epithermal veins)
Duverger, Clara. "Sismicité, couplages sismique-asismiques et processus transitoires de déformation dans un système de failles actives : le rift de Corinthe, Grèce". Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC252/document.
The western part of the Corinth Rift in Greece is opening at about 15 mm per year, generating one of the highest deformation rates in the world, some destructive earthquakes of magnitude M>6 per decade, and high microseismic activity irregular in space and time. In order to better understand the mechanisms related to this crustal deformation and to specify the major active structures, this research work makes use of the seismological database of the Corinth Rift Laboratory from 2000 to 2015 by finely analyzing microearthquakes and their spatio-temporal evolution. The global relocation of the seismic sources and their classification into multiplets enable to refine the geometry of the faults and to identify different mechanical behaviors. The western zone, in the middle of the gulf, is affected by fluctuations of fluid pore pressures in a geological layer, resulting in microseismic swarm migrations at a velocity of about 50 m per day. The deep multiplets of the central part, near the northern coast, are persistent and appear to be triggered by episodes of slow aseismic slip along an immature detachment, which can reach the ductile crust. The low percentage of dynamic triggering by passing seismic waves suggests that the overall state of the fault system is not at the critical breaking point. The magnitude of earthquakes is correlated with the initial impulsiveness of the rupture. These results specify the dynamics of the rift deformation, the seismic-aseismic interactions, and will make possible the improvement of the seismic hazard models of the region
Brichau, Stéphanie. "Constraining the tectonic evolution of extensional fault systems in the Cyclades (Greece) using low-temperature thermochronology". Montpellier 2, 2004. http://www.theses.fr/2004MON20049.
Beckers, Arnaud. "Late quaternary sedimentation in the western gulf of Corinth : interplay between tectonic deformation, seismicity, and eustatic changes". Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAS046/document.
The Corinth Rift, in Greece, is a young and active continental rift stretching between Continental Greece and the Peloponnese. The most active part of the rift, where the subsidence has been the highest during the Late Quaternary, has been covered by the sea and forms the Gulf of Corinth. This area is prone to natural hazards, including frequent large earthquakes, tsunamis and coastal landslides. The present thesis is dedicated to the study of these processes at the western tip of the Gulf, where the earthquake hazard, in particular, is considered as very high. We have investigated the Quaternary sediments below the Gulf of Corinth floor, through seismic reflection profiling and gravity coring. First, 22 large mass transport deposits were discovered. Their estimated volumes range from 106 to 109 m3. Large mass wasting events occurred in six stratigraphic intervals, four attributed to the Holocene and two attributed to the Upper Pleistocene. Among possible preconditioning factors and triggers, the likely influence of the sediment supply is highlighted. Then, an accurate map of offshore faults is presented. The map highlights for the first time significant strike-slip component in the offshore Corinth Rift, in addition to the dominant normal strain. Three phases are proposed for the Late Quaternary tectono-sedimentary evolution of the area. During these phases, the strain was suggested to migrate northward, driving the progressive deactivation of the large south-dipping faults that controlled the subsidence in an earlier phase of the rifting. Based on the sediment cores, sedimentary events triggered by large historical earthquakes in the last 3 centuries have been looked for. The best fit between the age of the identified event deposits and large historical earthquakes is observed in the deep basin. Finally, four longer cores retrieved in this area reveal specific spatial and temporal patterns of slope failures for the last 500-1000 yr. Such pattern is interpreted as resulting primarily from changes in the frequency of strong earthquakes. From these data, a period of seismic quiescence may have occurred between ~1740 and ~1890 AD in the west of the study area, while eastward, seismic quiescence would have occurred earlier, between ~1500 and ~1700 AD
Backert, Nicolas. "Interaction tectonique-sédimentation dans le rift de Corinthe, Grèce. Architecture stratigraphique et sédimentologie du Gilbert-delta de Kerinitis". Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2009. http://tel.archives-ouvertes.fr/tel-00457060.
Vitard, Clément. "Investigation sismique du domaine avant-arc Égéen du segment Sud-Ouest de la zone de subduction Hellénique". Thesis, Université Côte d'Azur (ComUE), 2016. http://www.theses.fr/2016AZUR4116/document.
The Hellenic subduction zone, in the eastern part of the Mediterranean sea, is characterized by the highest rate of current seismicity in Europe. In the southwestern segment, several earthquakes of large magnitude (Mw 7,5-8) occured a the turn of the 19th to 20th century. This segment of 400 km long, has also been the nucleation site of the largest historical earthquake in Europe, named the 365 AD earthquake, with a magnitude of Mw 8. This event generates a devastating tsunami, which spread along the Adriactic Sea and in the Nile Delta region. Two main models differ about the interplate seismic coupling question in this region, from a total seismic coupling at the interplate, at the opposite assumption of a very weak seismic coupling. However, these opposing models consider an approximate geometry, mostly because of the lack of information available on the geometry and the localization of the interplate in this region of the forearc domain. The localization of the fault responsible of the 365 AD event is also debated, because, there is no available data who provides imagery of the interfaces potentially responsible of this devastating earthquake. The megathrust fault and the forearc domain of the southwestern segment of the Hellenic subduction zone has been the target of the Ulysse marine survey in November 2012. The aim of this survey was to provide information of the structural geometry of the main units in this part of the subduction zone, and to bring information on the recent tectonic activity in this region