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Academic literature on the topic 'Tectonique – Quaternaire (ère géologique)'
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Dissertations / Theses on the topic "Tectonique – Quaternaire (ère géologique)"
Meghraoui, Mustapha. "Géologie des zones sismiques du Nord de l'Algérie : paléosismologie, tectonique active et synthèse sismotectonique." Paris 11, 1988. http://www.theses.fr/1988PA112220.
Full textGeomorphic studies of profiles conducted in 1986 across the El Asnam fault zone, the site of destructive earthquakes in both 1954 and 1980 allow quantitative evaluation of state Quaternary vertical offsets. Cumulative offsets were obtained with 13 profiles across both the main thrust fault and the secondary normal faults. 7 of the scarps levelled display three to five events including the 1980 earthquake and 5 others show cumulative vertical offsets at least eight times greater than that of 1980. On the ether hand 22 profiles conducted across the thrust breaks of the October 10, 1980 earthquake (M=7. 3) give more accurate values of co-seismic vertical displacements than those previously measured and confirm the existence of three segments A, B, and c along the strike of the fault. Dating of events identified on profiles, for which trench studies nearby have been conducted, yields the following results : in the last 1030 ±135 years, which is a cluster period of large seismic events, we obtain two uplift rates of 2. 42 mm. Y⁻¹ and 0. 97 mm. Y⁻¹respectively along the fault, as well as a recurrence interval of 315 years. For a longer time span (late Holocene), we obtain average minimum and maximum uplift rates of 0. 6 mm. Y⁻¹ and 1. 52 mm. Y⁻¹ respectively, and a recurrence interval of 710 years. An uplifted terrace located at the junction between segments A and B and dated approximately at 100,000 years implies an uplift rate of 0. 5 ±0. 05 mm. Y⁻¹ which is comparable to the minimum late Holocene uplift rate. The slip rate variability thus appears to depend not only on the uneven temporal distribution of large earthquakes (with M>7), but also on the variations in the amplitude of vertical displacements along different segments of the fault. Hence, the El Asnam thrust behavior is variable and episodic along strike, of the fault and is characterized by clusters of large events separated by longer periods of dormancy
Lee, Teh-Quei. "Evolution tectonique et géodynamique Néogène et Quaternaire de la chaîne côtière de Tai͏̈wan : apport du paléomagnétisme." Paris 6, 1989. http://www.theses.fr/1989PA066301.
Full textPierson, d'Autrey Laurent. "Sédimentation et structuration synsédimentaire dans le bassin néogène d'Alcoy (Cordillères bétiques externes orientales, Espagne)." Paris 11, 1987. http://www.theses.fr/1987PA112061.
Full textThis thesis offers an analysis of sedimentary neogene and quaternary sequences and tectonic and tectono-sedimentary process, which allow to outline the dynamic evolution of the alcoy basin. The area, which has been studied, belongs to the internal Prebetic part of the external betic Cordillera. Since the Aquitanian, the area has been submited to a marine sedimentary regime. But, it is from the lower Burdigalien that a period of a N 130-N 140 shortening is the reason of the individualism of the basin. Bigs cavings, checked by NW-SE faults, slice old folds betic direction of which is WSWENE. At the end of the transgressive upper Burdigalian sedimentation, the basin is subjected again to a shortening, direction of which is sub-meridian, which brings up a re-mobilization of the old folds, with a deepening of sedimentary environment. After, during the Langhian, a N 130-N 140 shortening is the cause of a tectonic instability, which appears by many gravitary phenomena and a synclinal strain of the Baradello trench, checked up by a reverse move with a small left strikeslip of the N 50 Alcoy fault. The stop of stains, which is shown by a discordance of the Serravallian deposits over the Langhian deposits, is the reason, during this period, of a transgression over all the emergent areas during the Langhian. The presence of a new discordance between the Serravallian and the lower Tortonian is the proof of a revival of the tectonic activity (shortening) and consequently of a warping margin, and of a decrease of the depht of the sedimentary environment. The final emersion of the marine basin takes place during the Tortonian with the erection of overthrusting and important structures and the resetting of old ground features, which give an indication of a sub-meridian shortening. After these tectonic events, a lake is appearing, gradualy filled up during the Messinian, because the subsidence is slowing down and because the flood plains progressing since the border rims are spreading out. The filling of the exundated basin does end during the Plio-Quaternary and the present digging by the drainage pattern makes clear a regional lift up
Rasse, Michel. "L'Apennin ombrien : morphogenèse d'une dorsale récente." Paris 4, 1994. http://www.theses.fr/1994PA040012.
Full textIn the mediterranean peninsulas,the general disposition of the main bulks of relief,on a regional scale,takes often the shape of swells or broad ridges. .
Messager, Grégoire. "Signatures géomorphologiques de l'activité tectonique plio-quaternaire dans le sud des Andes centrales, Argentine." Pau, 2010. http://www.theses.fr/2010PAUU3040.
Full textThe mechanisms and the timing of the building of the Neuquén Andes in the southern central Andes of Argentina, are poorly documented during the Plio-Quaternary. In this work, we studied morphotectonics evidence to characterize the orogenic front propagation showing a compressional state of stress during the Plio-Quaternary. The southern Neuquén Andes correspond mechanically to an orogenic tectonic wedge while its northern part implies initially isolated crustal blocks in the foreland. In addition, a broad uplifting area in the current foreland shows that the lateral growth of the Neuquén Andes is registered far from the commonly recognized orogenic front. Moreover, we interpret contemporaneous extensional structures as large scale gravity glidings which are usually observed along passive margins. Crustal uplifts and ductile layers in the sedimentary cover would be the primarily control parameters of the gliding. Numerical models and an analytical solution show that the incision and sedimentation could modify the mechanical parameters and thus favour or inhibit the process
Menier, David. "Morphologie et remplissage des vallées fossiles sud-armoricaines : apports de la stratigraphie sismique." Lorient, 2003. http://www.theses.fr/2003LORIS025.
Full textCushing, Edward Marc. "Évolution structurale de la marge Nord-Ouest hellénique dans l'ile Levkas et ses environs (Grèce Nord-occidentale)." Paris 11, 1985. https://tel.archives-ouvertes.fr/tel-00985624.
Full textFont, Marianne. "Signature géomorphologique des déformations en domaine interplaque : applications à la Normandie." Caen, 2002. http://www.theses.fr/2002CAEN2055.
Full textMejri, Lassaad. "Tectonique quaternaire, paléosismicité et sources sismogéniques en Tunisie nord-orientale : étude de la faille d'Utique." Toulouse 3, 2012. http://thesesups.ups-tlse.fr/1669/.
Full textThe study of active structures mentioned in the literature in the region of the North-east of Tunisia show the morphological evidence of deformation which attest to a very recent tectonic activity. The late-villafranchian major compressive NNW-SSE tectonic phase is responsible for the establishment of the recent reliefs in the North-east (example: Utique fold). Some indices of recent tectonic activity were discovered on active faults on the structures of Utique, Messeftine, Djebel Nahli and Jebel Ammar. These indices allow classifying these faults as sources with significant seismogenic potential. Geologic, seismic, and neotectonic investigations in Utique fault area; as well as the archaeological data shows that the most recent activity was during the Roman era (˜2000 years B. P). We attribute the magnitude of 6 to the destructive Utique earthquake, Mentioned in the literature, and we evaluate its return period to 1300 years. Cross section shows a total shortening of 275 m since the Upper Miocene. Compression may have begun early in Pleistocene (1. 8 My); this leads to a most likely value for shortening rate of 0,15 mm/yr. The topographic and lithological characteristics of several regions of in Tunis City are very propitious to the sites effects and to liquefaction phenomenon. This high seismic risk zone deserves to be taken into account during the establishment of important regional development programs and in the application of seismic building codes
Kadri, Ali. "Évolution tectonosédimentaire (Aptien-Quaternaire) des Dj. Koumine, Hamra et Lessouda,Tunisie centrale." Paris 11, 1988. http://www.theses.fr/1988PA112385.
Full textBooks on the topic "Tectonique – Quaternaire (ère géologique)"
Grant, D. R. Quaternary geology, Cape Breton Island, Nova Scotia. Ottawa: Geological Survey of Canada, 1994.
Find full textJackson, Jeremy B. C., 1942-, Budd Ann F, and Coates Anthony G, eds. Evolution & environment in tropical America. Chicago: University of Chicago Press, 1996.
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