Academic literature on the topic 'Morphogenese quaternaire'
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Journal articles on the topic "Morphogenese quaternaire"
Limondin-Lozouet, Nicole, and Pierre Antoine. "Tufs calcaires et travertins quaternaires : morphogenèse, biocénoses, paléoclimats et implantations paléolithiques." Quaternaire, no. 17/2 (June 1, 2006): 3. http://dx.doi.org/10.4000/quaternaire.720.
Full textLimondin-Lozouet, Nicole, and Pierre Antoine. "Tufs calcaires et travertins quaternaires : morphogenèse, biocénoses, paléoclimats et implantations paléolithiques." Quaternaire, no. 17/4 (December 1, 2006): 279. http://dx.doi.org/10.4000/quaternaire.879.
Full textSivan, Olivier, and Cécile Miramont. "Les variations temporelles et spatiales de la morphogenèse postglaciaire des fonds de vallons sud-alpins. L’exemple du bassin versant du Drouzet (Hautes-Alpes, France)." Quaternaire, no. 19/3 (September 1, 2008): 229–38. http://dx.doi.org/10.4000/quaternaire.4152.
Full textWuscher, Patrice, and Annie Pezin. "Morphogenèse de la vallée du Tech à Amélie‑les‑Bains (Pyrénées-Orientales) durant l’Holocène et évolution des versants jusqu’à la fin de l’Âge du Bronze." Quaternaire, no. 21/4 (December 1, 2010): 345–56. http://dx.doi.org/10.4000/quaternaire.5687.
Full textGonnet, Adrien, Cécilia Cammas, and François Coupard. "Interactions Homme / Environnement depuis le Néolithique : impacts anthropiques sur la morphogenèse colluviale en contexte de pied de versant à Mareuil‑le‑Port (Grand Est, Marne)." Quaternaire, no. 32/2 (June 1, 2021): 111–22. http://dx.doi.org/10.4000/quaternaire.15800.
Full textDumas, Bernard. "Les problèmes chronologiques de la morphogenèse méditerranéenne au quaternaire moyen (Time scale and dates problems of the mediterranean middle quaternary)." Bulletin de l'Association de géographes français 63, no. 1 (1986): 7–19. http://dx.doi.org/10.3406/bagf.1986.1317.
Full textPereira, P., and A. Bento Gonçalves. "Vestiges of the Quaternary glaciation in Cabreira Montain (North-West Portugal)." Estudos do Quaternário / Quaternary Studies, no. 4 (December 26, 2001): 61–68. http://dx.doi.org/10.30893/eq.v0i4.41.
Full textOliveira, Marcelo Accioly Teixeira de, and Janaina Carla Santos. "GPR STRATIGRAPHY AND QUATERNARY MORPHOGENESIS IN THE SEMIARID BRAZIL." Mercator 19, no. 11 (November 15, 2019): 1–22. http://dx.doi.org/10.4215/10.4215/rm2019.e18027.
Full textSéranne, Michel, Hubert Camus, Francis Lucazeau, Jocelyn Barbarand, and Yves Quinif. "Polyphased uplift and erosion of the Cévennes (southern France). An example of slow morphogenesis." Bulletin de la Société Géologique de France 173, no. 2 (March 1, 2002): 97–112. http://dx.doi.org/10.2113/173.2.97.
Full textGentili, Bernardino, Gilberto Pambianchi, Domenico Aringoli, Marco Materazzi, and Marco Giacopetti. "Pliocene –Pleistocene geomorphological evolution of the Adriatic side of Central Italy." Geologica Carpathica 68, no. 1 (February 1, 2017): 6–18. http://dx.doi.org/10.1515/geoca-2017-0001.
Full textDissertations / Theses on the topic "Morphogenese quaternaire"
Sghari, Abdeljalil. "Sedimentation et morphogenese au neogene-quaternaire en tunisie meridionale." Strasbourg 1, 1991. http://www.theses.fr/1991STR10006.
Full textSouth-western tunisian reliefs show the same jurassian relief characteristics with its typical erosion figures as anticlinal combs, mounts, valleys and cluses. The regional hydrographic structures belong to two generations : a pre-quaternary retwork preceding the quaternary one. The first one was involved in the neogene sedimentation of the gafsa basin ( s-w tunisia). The paleomorphologic reconstitution and the sedimentological analysis proved that this area behaved as a nearly flat basin only disturbed by light deformations. During neogene this basin, was continuously filled with different detrital accumulations thanks to the equilibrium between the rates of subsidence and sediementation. The miocene filling begins with the so called "aquitanian" red shales then marks a stop during the surdigalian-langhian times. The beglia sands deposit, is characterized by the instability of the paleoenvironnement. The plio-quaternary orogeny of the atlasic folding phase puts an end to the gafsa basin filling and inserts the area in a new geomorhological evolution
VIETTI, BITENCOURT ANA LUISA. "Morphogenese, quaternaire et archeologie en milieu karstique : le site du morro furado, serra de ramalho (bahia) - bresil." Caen, 1998. http://www.theses.fr/1998CAEN1244.
Full textTHIS INVESTIGATION PRESENTS A GEOMORPHOLOGICAL, SEDIMENTOLOGICAL AND PALAEOENVIRONMENTAL STUDY OF THE NORTHWESTERN PART OF SERRA DO RAMALHO. THIS CONSISTS OF A LIMESTONE MASSIF OF PRE-CAMBRIAN AGE ON WHICH IMPORTANT KARSTIC LANDFORMS ARE DEVELOPED. GEOMORPHOLOGICAL, STRUCTURAL, LITHOLOGICAL AND VEGETATIONAL CHARACTERISATION OF THE AREAS HAS BEEN ACHIEVED BY FIELD INVESTIGATION, AIR PHOTOGRAPHIC INTERPRETATION AND THE ANALYSIS ONF LANDSAT TM IMAGERY. THE RESULTS OF THIS INVESTIGATION HAVE ENABLED THE PRESENTATION OF MAPS OF EACH OF THESE ELEMENTS. THIS REGION IS DIVIDED INTO FOUR MORPHOLOGICAL AREAS: THE PLATEAU UNDERLAIN BY PRE-CAMBRIAN PELITES AND CRETACEOUS SANDSTONES; THE MASSIF OF EXPOSED PRE-CAMBRIAN LIMESTONES; THE GLACIS with COLLUVIAL DEPOSITS AND READ SOILS, AND THE VALLEY FLOORS. THREE EROSIONAL SURFACES HAVE BEEN IDENTIFIED. THESE SURFACES HAVE RESULTED FROM COMBINED EROSIONAL AND EPEIROGENIC PROCESSES WHICH HAVE CAUSED THE REMOVAL OF THE PELITIC AND ARENITIC ROCKS OVERLYING THE PRE-CAMBRIAN LIMESTONES, EXHUMATION OF THE MASSIF, ITS KARSTIFICATION AND INCISION OF THE DRAINAGE SYSTEM. THREE STRATIGRAPHICAL UNITS HAVE BEEN IDENTIFIED WITHIN INFILLING A ROCK SHELTER IN THE SUBSTANTIAL MORRO FURADO CANYON, INCISED INTO THE SERRA DO RAMALHO. THE FORMATION OF THESE SEDIMENTS IS DISCUSSED. RADIOCARBON DATING HAS SHOWN THAT THE UPPER UNIT, WHICH INCLUDES EVIDENCE FOR PREHISTORIC OCCUPATION, IS OF HOLOCENE AGE (8040-980 BP). THE PHYSICO-CHEMICAL, MINERALOGICAL AND PALYNOLOGICAL ANALYSES HAS ALLOWED THE IDENTIFICATION OF THE SEDIMENTARY CHARACTERICS AND PROVENANCE OF SEDIMENTS. IT HAS ALSO INDICATE THE CONTEMPORANEOUS CLIMATIC CONDITIONS : DRY TO VERY DRY TO PLEISTOCENE AND LESS DRY DURING THE HOLOCENE
Selouane, Karim. "Etude géomorphologique et de la dynamique morpho-sédimentaire actuelle du Sahara Atlantique face à la vulnérabilité des aménagements entre l'Oued Draâ et Lagwira." Paris, ENMP, 2008. http://www.theses.fr/2008ENMP0001.
Full textThe Atlantic Sahara is located between the ex-Spanish Sahara and the far North/West part of Mauritania. Our study area is 300 000 km2 big, and lies between the 20th and 30th parallel. Its boundaries are natural (the low Oued Draâ and the Atlantic Ocean on the West side) but also administrative (Algeria on the N-E side and Mauritania on the East and South). With very few points over 400 m over the sea level, the Atlantic Sahara is a plateau and plains area. This huge territory is crossed by several structural accidents whose most important one is the Agadir-Timiris-Dakar accident. This accident is parallel to the medio-atlantic fracture, located just at the boundaries of two sedimentary basins reaching the Ocean (the senegalo-mauritanian basin and the Tarfaya-Laâyoune-Dakhla basin). The surprising (and seeming) monotony of this area can be explained by the important moghrebine limestone-sandy (Villafranchian from 2,5 to 4 Ma) composed by lumachel and pectens shell extension on the West side and the granitic archean layer on the East side. This monotony partly hidden by the barkhane fields disappears din some parts with relieves which induce (whatever its volume) very strong contrasts. However, as the rest of the Saharan Africa, the Atlantic Sahara suffered from glaciations and interglacial effects as well as neotectonic events more or less important (as the present observed structures and rejects let us suppose). After the elaboration of the terminal encrusting during the middle/ upper Pliocene, it occurred some morphogenetic crisis (from tectonic, climatic and oceanic origin) which destroyed definitely the neogenic relives balance. The most important crisis took place between the Miocene and the old Quaternary. It has been a major turning point in the morphologic evolution of the Atlantic Sahara. Indeed some significant modifications of morphogenetic factors put in relief the beginning of the Quaternary era, while the landscape was modified by a wet/arid alternation that we know, more or less at this time. Because of erosion conditions in arid climate since - at least - Ogolian (15 000 - 10 000 BP) and post-Holocene (5 000 - 3 000 BP), old fields from Precambrian and Cenozoic are hidden by the debris of that destruction. Most of time there are only quaternary clastic deposits broken stone left, which are generated by the combined action of fluviatile, wind and marine erosion and the weathering processes. Glacis and terraces’ models such as depressions have larger dimensions in the West. Since the end of the Holocene era (3 000 BP) -Sahara’s aridification beginning - the wind took a more and more important role in the current landscape erection, gradually erasing or fossilizing the paleo-topography and some superficial deposits. On the margino-littoral area, the desert – cliff - sea triptych morphology is closely linked to the evolution of the recent hydro-climatic dynamics and to the lithologic competence of the outcrops that face very powerful winds, and of lesser importance, of run-off. As a result, the trade winds (from North) are probably the fundamental agent of morphogenesis of the littoral shells (named “Aguerguer”) and this since Ogalian era, as proved by the aerodynamic models that form the Barkhanes (fossils), the sand river and the “Yardangs”. Nonetheless, the Atlantic Sahara littoral geosystem is currently in a landscape mutation, following its development. Moreover the Atlantic Sahara geopolitical strakes that process and embrittle the regional development politics in this hostile area and the relief of its ecosystem facing the filling with sand, erosion and land implosion risks to the margino-littoral dynamics
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. .
Ben, Brahim Mohamed. "Le sillon de Boudenib (SE-Maroc) : structuration morphotectonique, hamadas tertiaires et paléoaltérations associées, morphogenèse quaternaire et aridité actuelle." Paris 1, 1994. http://www.theses.fr/1994PA010597.
Full textThe purpose of this research is to study the role of tectonic and climat in the elaboration of reliefs of high and middle scale. The pluridisciplinary approch constitues the methodologic frame. It is shown that boudenib grooc is situated in the intersection of three major geotectonic units : panafrican, hercynian and atlasic. The dissymetry of topographical features reflects this structure. The sedimentation recorded the total phenomenon which succeeded inside the basin as well as on the borders. Therefore, dissymetry between eastern and western parts of the boudenib groov has been constant in the evolution. The preturonian evolution was caracterized by the control of tectonic factors, climat and eustatic ones. However, from the upper cretaceous only tectonic and climatic factors predominated. The study of hamadas deposits on the piedmont of boudenib brings new factors about the atlasic tectonic, the kind of deposits and associeted paleoweathering in which silicification makes the originaly. Two types of silicification were difined : pedogenetic silicification in the lower part of "hamada de boudenib" (lower eocene) and ground water silicification in the "hamada de guir" (neogene). Eventually, the tertiary morphogenisis is caracterized by the juxtaposition of two piedmonts : accumulation and erosion. .
Thouret, Jean-Claude. "La Cordillère centrale des Andes de Colombie morphogenèse plio-quaternaire et dynamique actuelle et récente d'une cordillère volcanique actuelle /." Lille 3 : ANRT, 1989. http://catalogue.bnf.fr/ark:/12148/cb37618907d.
Full textFachin, Andressa. "Quadro evolutivo de paleocabeceira de drenagem do rio Chopinzinho - Planalto das Araucárias (superfície 2)." Universidade Estadual do Oeste do Parana, 2013. http://tede.unioeste.br:8080/tede/handle/tede/48.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior
This thesis presents the paleovalley head evolution in the Chopinzinho drainage basin inside Araucária Plateau (Planation Surface 2), aiming to understand the landscape evolution in the South Brazil during the Upper Quaternary. The stratigraphic record was characterized using the combined criteria of pedo-, litho-, allo-, and cronostratigraphic, for which chronology was establish by 14C (AMS) and thermoluminescence. As base these criteria was utilized following technical: field survey, laboratory analyses (textural, ten major oxides more zirconium oxide, clay mineralogy, and dating) and office work (cluster statistical analysis and organization of date). It has been done the reconstitution spatial distribution of the paleosol and paleogullies by drilling. The field survey showed stratigraphic section in the cutting rural road. Therein was identified paleosol with Ab horizon (27.36 + 0.14 Kyr BP 44.13 Kyr cal. BP), paleogullies field of colluvium (15 beds), colluvium-alluvial (4 beds) and alluvial (1 bed). The colluvium beds was divided into clogging faces and ramp faces. The paleogullies were generated in Last Glacial Maximum (< 24 Kyr to > 17 Kyr BP.) and in Medium Holocene (< 7 Kyr to > 4 Kyr BP). This last moment were generated two paleogullies generations promoting the larger erosion phenomenon in the paleovalley head. The paleovalley head happens to be clogging in the Upper Holocene (< 4 Kyr BP) and change of the morphology becoming colluvium ramp. The palleovalley head was eroded by spot drainage and becoming one convex mound in the end of period. This moment there was one inversion of the relief.
Esta dissertação apresenta a evolução de uma paleocabeceira de drenagem no Planalto das Araucárias (Superfície 2),buscando contribuir para o entendimento do Quaternário Tardio do Sul do Brasil. O registro estratigráfico foi caracterizado utilizando-se dos critérios conjugados da pedo-, lito-, alo- e cronoestratigrafia, cuja cronologia foi estabelecida pelo 14C (AMS) e termoluminescência (TL). Com base nesses critérios foram utilizadas as seguintes técnicas: levantamento de campo, análises laboratoriais (granulométrica, análise química dos 10 principais óxidos + Zircônio,mineralogia da fração argila e ainda datações por 14C e luminescência) e trabalho de gabinete (análise estatística por similaridade Cluster e organização dos dados). Foi feita a reconstituição da distribuição espacial do paleossolo e das paleovoçorocas por meio de sondagens. O levantamento de campo revelou seção estratigráfica exposta em corte de estrada. Nela identificou-se: paleossolo com horizonte A húmico (27.360 + 140 anos AP. 44.130 cal. AP.), paleovoçorocas colmatadas por colúvios (15 camadas), colúvio-alúvio (4 camadas) e alúvios (1 camada). As camadas colúviais foram subdivididas em fácies de colmatação e fácies de rampa.As paleovoçorocas foram geradas no Último Máximo Glacial (< 24.000 a> 17.000 anos AP) e no Holocêno Médio (< 7.000 anos a > 4.000 anos AP). Neste último período foram geradas duas gerações de paleovoçorocas, promovendo o maior fenômeno erosivo na cabeceira de drenagem. A paleocabeceira de drenagem passa a ser colmatada no Holoceno Superior (< 4.000 anos AP) e muda de morfologia para rampa de colúvio. No final desse período, a rampa de colúvio é dissecada pela drenagem local e torna-se uma colina convexa. Nessafasehouveumainversão de relevo.
Book chapters on the topic "Morphogenese quaternaire"
Tary, Anna K., Duncan M. FitzGerald, and Ilya V. Buynevich. "Late Quaternary morphogenesis of a marine-limit delta plain in southwest Maine." In Deglacial history and relative sea-level changes, northern New England and adjacent Canada. Geological Society of America, 2001. http://dx.doi.org/10.1130/0-8137-2351-5.125.
Full textAraya-Vergara, José. "Ocean Coasts and Continental Shelves." In The Physical Geography of South America. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195313413.003.0023.
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