Academic literature on the topic 'Archéen'
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Journal articles on the topic "Archéen"
Akamé, Joseph Martial, Joseph Mvondo Ondoa, William Assatse Teikeu, Sébastien Owona, Jean Bosco Olinga, Eric José Messi Ottou, and Sylvestre Ntomba. "Apport des images Landsat-7 ETM+ à l'étude structurale du socle archéen de Sangmelima (sud Cameroun)." Revue Française de Photogrammétrie et de Télédétection, no. 206 (June 5, 2014): 15–27. http://dx.doi.org/10.52638/rfpt.2014.119.
Full textAuvray, B., J. P. Burg, Ch Caruba, R. Dars, and K. Lo. "L'Amsaga (Mauritanie), fragment Archéen du Craton Ouest-Africain: observations et hypothèses nouvelles." Journal of African Earth Sciences (and the Middle East) 14, no. 2 (February 1992): 183–90. http://dx.doi.org/10.1016/0899-5362(92)90095-t.
Full textEdou-Minko, A., G. Grandin, and C. Campiglio. "Pétrologie et géomorphologie dans la région de Kango, Gabon: un grand dyke ultramafique-mafique archéen." Journal of African Earth Sciences 32, no. 4 (May 2001): 899–918. http://dx.doi.org/10.1016/s0899-5362(02)00062-3.
Full textHébert, Réjean, Michel Rocheleau, Christine Giguère, Benoît Perrier, and Roch Gaudreau. "Pétrologie et gîtologie d'un filon-couche différencié et minéralisé archéen : le gisement aurifère Sigma-2, canton de Louvicourt, Québec." Canadian Journal of Earth Sciences 28, no. 11 (November 1, 1991): 1731–43. http://dx.doi.org/10.1139/e91-155.
Full textMoyen, Jean-François, Hervé Martin, and Mudlappa Jayananda. "Origine du granite fini-Archéen de Closepet (Inde du Sud): apports de la modélisation géochimique du comportement des éléments en trace." Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science 325, no. 9 (November 1997): 659–64. http://dx.doi.org/10.1016/s1251-8050(97)89107-0.
Full textCorrigan, David, Natasha Wodicka, Christopher McFarlane, Isabelle Lafrance, Deanne Van Rooyen, Daniel Bandyayera, and Carl Bilodeau. "Lithotectonic Framework of the Core Zone, Southeastern Churchill Province, Canada." Geoscience Canada 45, no. 1 (April 20, 2018): 1–24. http://dx.doi.org/10.12789/geocanj.2018.45.128.
Full textVishiti, Akumbom, Dieudonne Charles Isidore Ilouga, Ndzegha Collins Bomyoymoah, and Cheo Emmanuel Suh. "Petrology of banded iron formation-related country rocks at the northern limit of the Mbalam iron ore district, southeastern Cameroon." Journal of the Cameroon Academy of Sciences 18, no. 2 (October 24, 2022): 447–72. http://dx.doi.org/10.4314/jcas.v18i2.5.
Full textBilla, Mario, Jean-Louis Feybesse, Georges Bronner, Catherine Lerouge, Jean-Pierre Milési, Sory Traoré, and Sory Diaby. "Les formations à quartzites rubanés ferrugineux des Monts Nimba et du Simandou: des unités empilées tectoniquement, sur un « soubassementplutonique Archéen (craton de Kénéma-Man), lors de l'orogène Éburnéen." Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science 329, no. 4 (August 1999): 287–94. http://dx.doi.org/10.1016/s1251-8050(99)80248-1.
Full textWoźniacka, Renata, Łukasz Oleksy, Agnieszka Jankowicz-Szymańska, Anna Mika, Renata Kielnar, and Artur Stolarczyk. "The Association between Symmetrical or Asymmetrical High-Arched Feet and Muscle Fatigue in Young Women." Symmetry 14, no. 1 (January 1, 2022): 52. http://dx.doi.org/10.3390/sym14010052.
Full textHarish, Ajith. "What is an archaeon and are the Archaea really unique?" PeerJ 6 (October 18, 2018): e5770. http://dx.doi.org/10.7717/peerj.5770.
Full textDissertations / Theses on the topic "Archéen"
Guitreau, Martin. "Les isotopes de l'hafnium dans les TTG et leurs zircons : témoins de la croissance des premiers continents." Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2012. http://tel.archives-ouvertes.fr/tel-00713096.
Full textAchin, Isabelle. "Caractérisation des sources d'uranium à l'Archéen : mécanismes de genèse des gisements d'uranium les plus anciens (3,0 à 2,2 Ga) et des préconcentrations uranifères paléoprotérozoïques." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10045/document.
Full textThe oldest known uranium deposits on the Earth are the paleoplacer-type deposits hosted in quartz-pebble conglomerates from 3.09 to 2.2 Ga in age. These deposits are representative of the ancient Archean continental crust now eroded. The origin of the primary ores corresponding to accumulation of detrital uraninite is still controversy and the nature and forming processes of the Archean source rocks remain uncertain.This work provides the detail mineralogical and geochemical analysis of mineralization from different paleoplacer-type deposits (Witwatersrand in South Africa, Elliot Lake in Canada and the Jatulian series in Russia) and from Archean and Paleoproterozoic U-enriched granitoids (calco-alkaline to potassic granite series from the Kenema Man Craton in Guinea, late-orogenic granites from the Pilbara Craton in West Australia, the Tanco pegmatite from the Canadian Shield and uraninite bearing pegmatites from the Baltic Shield in Finland and Russia). The comparative study of these worldwide uraniferous rocks prove either i) the existence of highly differentiated granitoids produced by the partial melting of a pre-enriched crust as peraluminous and S-type granites in early time (>3.1 Ga), ii) obviously the presence of an effective mechanism to produce such granites as tectonic plate systems with subduction or collisional zones, iii) the magmatic origin of the thorian uraninites in paleoplacers, iv) the efficiency of a reductive atmosphere prior to 2.2 Ga permitting the preservation of uraninite during transportation, v) and finally the rise of the oxygen-free level in the paleoproterozoic atmosphere providing the disappearance of uraniferous paleoplacers in favour of weathering, oxidation of pre-existing concentrations, remobilization of uranium and formation of secondary deposits
Picard, Christian. "Contribution à l'étude pétrogénétique des sillons de roches vertes archéens : exemple de l'Abitibi nord oriental (Québec)." Lyon 1, 1986. http://www.theses.fr/1986LYO10076.
Full textFraniatte, Michael. "Etude théorique et expérimentale de la biogenèse des systèmes hydrothermaux marins : une contribution à la recherche sur l'origine de la vie." Thesis, Nancy 1, 2011. http://www.theses.fr/2011NAN10054/document.
Full textHydrothermal Systems discovery involve it gather favorable conditions to act for the appearing of the first living shape, because significant concentrations in N2, CO2, H2S, CH4, C2H6 and C3H8 and detectable quantities (10-9 mol) of heavy weights n-alcanes (C19-C29) were measured in hydrothermal fluids of the mid-Atlantic ridge. The first living shape were without no doubt simple or unicellular microbes being which finding in organic compounds the satisfying energize for their evolution. Hydrothermal systems could have constitute a favorable environment for the appearing of life because these systems are characterized by black smokers and white smokers with an ecosystems independent of solar energize where the most primitives organisms live, found in actual environments, the hyperthermophiles. These arguments are very important concerning the conditions ruling in Archean. The hydrothermal systems of Archean were the only environment where the primitive life was protect of meteoritic impact and partial vaporization of the ocean. These systems are compatible with origin and evolution of life. The experimental study, on the synthesis and stability of prebiotic compounds in hydrothermal conditions are gathered with thermodynamic studies permit by the works of experimental measures. Abiogenic origin of nitrogen organic compounds in hydrothermal conditions is primordial in the history of the Earth
Kitayama, Yumi. "Les quatre isotopes du soufre dans les kimberlites de Sibérie, traceurs du recyclage de croûte océanique et de sédiments Archéens dans le manteau terrestre." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0244.
Full textInherited from the early atmosphere, anomalies in the relative abundances of sulfur isotopes (32S, 33S, 34S and 36S) are recorded in sediments older than 2.5 billion year (i.e. Archean). Here we test the robustness of sulfur isotopes to trace the early recycling of oceanic crust and sediments that may have been transferred to the deep mantle or stored in the lithospheric mantle since the onset of subduction. In Siberia, the lithospheric mantle has been naturally sampled by the Udachnaya-East kimberlite while it was erupting. Because it is extremely well preserved, rich in Na, K, Cl, S and contains remnants of oceanic crust recycled during the Archean, this kimberlite enables us to test : (1) the hypothesis of an early recycling of Archean atmospheric sulfur in the lithospheric mantle and/or the deeper source of the kimberlite; (2) the coherence between in situ (SIMS in sulfide minerals) and bulk methods (chemical extraction of sulfur from powdered rocks, followed by gas source mass-spectrometry) for measuring multiple sulfur isotopes. Our results, combined with measurements of Rb-Sr, Sm-Nd and lead (204Pb, 206Pb, 207Pb, 208Pb) isotopes, show that: (1) sulfates from the Udachnaya-East kimberlite and its nodules composed of chloride-carbonate have a deep, magmatic origin, uncontaminated by host sediments, suggesting the presence of sulfate-rich, oxidized domains in the mantle; (2) measurements of sulfur isotopes by bulk methods are consistent with the sulfide populations observed in situ; (3) sulfides from salty kimberlites are depleted in 34S with respect to the chondritic value and record small anomalies in sulfur isotopes ; (4) sheared peridotites contain another population of sulfides that are depleted in 34S and preserve 33S and 36S anomalies inherited from the Archean surface, despite resetting of the U-Pb chronometer during kimberlite eruption
Kessi, Corneille. "Le socle archéen et les formations ferrifères du Chaillu au Congo." Rennes 1, 1992. http://www.theses.fr/1992REN10043.
Full textTeitler, Yoram. "Climat et composition de l'atmosphère au Précambrien : des paléosols aux simulations numériques." Paris 7, 2012. http://www.theses.fr/2012PA077205.
Full textWe discovered at least six new paleosol occurrences within the Fortescue Group (Pilbara craton, Australia). Although largely reequilibrated by secondary processes, several of these paleosols preserve mineral assemblages inherited from early weathering, which raise questions about the interpretation of a reducing Late Archean atmosphere. This oxygenation process lasted long enough to trigger significant oxidative weathering as shown by numerous isotopic proxies in oceanic sediments. As a consequence, models for pCO2 estimations that rely on the anoxic atmosphere hypothesis are irrelevant, and solely the mass balance model calculations remain robust. Using climate modelling, we show that these estimates are consistent with an ice-free surface at the end of the Archean without the need of invoking a high pCH4. We propose that paleoproterozoic ice ages were triggered by the collapse of atmospheric methane that follows the oxygenation of the atmosphere, but also by a decrease of pCO2. For older points, we also show that the formation of clouds with large-sized dropplets is able to maintain an ice-free surface even at very low pCO2 (6 PAL). However, coupled climate-carbon simulations show that such a low pCO2 is unrealistic. In a general way, we argue that long-term pCO2 regulation is governed by the amount of continental surface exposed to weathering and their lithology
Foriel, Julien. "Application du rayonnement synchrotron à l'étude des microfossiles et de l'environnement archéen." Paris 7, 2004. http://www.theses.fr/2004PA077073.
Full textRouchon, Virgile. "Les processus de métasomatisme des formations volcano-sédimentaires paléoarchéennes des cratons du Kaapvaal (Afrique du Sud) et de Pilbara (Australie) : implications pour l'évolution chimique de l'océan et le cycle géochimique de l'azote." Paris 11, 2008. http://www.theses.fr/2008PA112046.
Full textBouhallier, Hugues. "Evolution structurale et métamorphique de la croûte continentale archéenne (craton de Dharwar, Inde du sud)." Rennes 1, 1994. https://tel.archives-ouvertes.fr/tel-00619323.
Full textBooks on the topic "Archéen"
Lawson, Andrew C. Rapport sur la géologie de la région du Lac des Bois: Ayant spécialement trait à la zone de roches archéennes de Kéwatin (huroniennes?). [S.l: s.n., 1986.
Find full textCommission géologique et d'histoire naturelle du Canada., ed. Rapport sur la géologie de la région du Lac des Bois: Ayant spécialement trait à la zone de roches archéennes de Kéwatin (huroniennes?). [S.l: s.n., 1986.
Find full textCavicchioli, Ricardo, ed. Archaea. Washington, DC, USA: ASM Press, 2007. http://dx.doi.org/10.1128/9781555815516.
Full textFerreira-Cerca, Sébastien, ed. Archaea. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2445-6.
Full textGarrett, Roger A., and Hans-Peter Klenk, eds. Archaea. Malden, MA, USA: Blackwell Publishing Ltd, 2006. http://dx.doi.org/10.1002/9780470750865.
Full textAga Khan Trust for Culture. and Massachusetts Institute of Technology. School of Architecture and Planning., eds. ArchNet. [Cambridge, Mass: MIT School of Architecture and Planning, 1999.
Find full textSegura, Alex. The Archies. [Mamaroneck, NY]: Archie Comic Publications, Incorporated, 2018.
Find full textBook chapters on the topic "Archéen"
Ventosa, Antonio, and Rafael R. de la Haba. "Archaea." In Encyclopedia of Astrobiology, 1–5. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_96-3.
Full textVentosa, Antonio, and Rafael R. de la Haba. "Archaea." In Encyclopedia of Astrobiology, 118–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_96.
Full textRusch, Antje. "Archaea." In Encyclopedia of Estuaries, 35–37. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-8801-4_287.
Full textYadav, Suman. "Archaea." In Encyclopedia of Animal Cognition and Behavior, 399–405. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-319-55065-7_821.
Full textGooch, Jan W. "Archaea." In Encyclopedic Dictionary of Polymers, 875. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_13166.
Full textThiel, Volker. "Archaea." In Encyclopedia of Geobiology, 64–69. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-1-4020-9212-1_11.
Full textYadav, Suman. "Archaea." In Encyclopedia of Animal Cognition and Behavior, 1–7. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-47829-6_821-1.
Full textNiederberger, Thomas D., Ian R. McDonald, and S. Craig Cary. "Archaea." In Polar Microbiology, 32–61. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555817183.ch2.
Full textVentosa, Antonio, and Rafael R. de la Haba. "Archaea." In Encyclopedia of Astrobiology, 149–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_96.
Full textVentosa, Antonio, and Rafael R. de la Haba. "Archaea." In Encyclopedia of Astrobiology, 1–5. Berlin, Heidelberg: Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-642-27833-4_96-4.
Full textConference papers on the topic "Archéen"
Fenu, Luigi, and Giuseppe C. Marano. "Steel Truss-Type Arches Optimization Under Multi-Load Cases." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.1338.
Full textRafiev, Ashur, A. Iliasov, A. Romanovsky, A. Mokhov, F. Xia, and A. Yakovlev. "ArchOn." In International Workshop. New York, New York, USA: ACM Press, 2007. http://dx.doi.org/10.1145/2589650.2559632.
Full textHirve, Sachin, Roberto Palmieri, and Binoy Ravindran. "Archie." In the 15th International Middleware Conference. New York, New York, USA: ACM Press, 2014. http://dx.doi.org/10.1145/2663165.2666090.
Full textRafiev, Ashur, A. Iliasov, A. Romanovsky, A. Mokhov, F. Xia, and A. Yakovlev. "ArchOn." In ES4CPS '14: International Workshop on Engineering Simulations for Cyber-Physical Systems. New York, NY, USA: ACM, 2013. http://dx.doi.org/10.1145/2559627.2559632.
Full textXie, Yichen, Andy Chou, and Dawson Engler. "ARCHER." In the 9th European software engineering conference held jointly with 10th ACM SIGSOFT international symposium. New York, New York, USA: ACM Press, 2003. http://dx.doi.org/10.1145/940071.940115.
Full textKirov, Dmitrii, Pierluigi Nuzzo, Roberto Passerone, and Alberto Sangiovanni-Vincentelli. "ArchEx." In DAC '17: The 54th Annual Design Automation Conference 2017. New York, NY, USA: ACM, 2017. http://dx.doi.org/10.1145/3061639.3062204.
Full textKalíšek, Pavel, Marek Rusňák, Jakub Sláma, Gabriela Šoukalová, Petr Šťasta, and Dalibor Václavík. "Reconstruction of the Vilemov Viaduct on the railway line Rumburk - Sebnitz." In IABSE Symposium, Prague 2022: Challenges for Existing and Oncoming Structures. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/prague.2022.1265.
Full textHuot, Stéphane, and Eric Lecolinet. "ArchMenu et ThumbMenu." In the 19th International Conference of the Association Francophone d'Interaction Homme-Machine. New York, New York, USA: ACM Press, 2007. http://dx.doi.org/10.1145/1541436.1541457.
Full textPikuta, Elena V. "Overview of Archaea." In SPIE Optical Engineering + Applications, edited by Richard B. Hoover, Paul C. W. Davies, Gilbert V. Levin, and Alexei Y. Rozanov. SPIE, 2011. http://dx.doi.org/10.1117/12.897082.
Full textJelsma, H. A., P. H. G. M. Dirks, and M. J. de Wit. "Rheological heterogeneity of Archean continental lithosphere: implications for Archean tectonics." In 7th SAGA Biennial Technical Meeting and Exhibition. European Association of Geoscientists & Engineers, 2001. http://dx.doi.org/10.3997/2214-4609-pdb.143.17.2.
Full textReports on the topic "Archéen"
Percival, J. A. Cratons archéens. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/210929.
Full textPercival, J. A. Archean cratons. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/210928.
Full textMcClean, Taylor, and Lisa Parillo-Chapman. Vintage Arches. Ames: Iowa State University, Digital Repository, 2014. http://dx.doi.org/10.31274/itaa_proceedings-180814-989.
Full textDemchyna, Bohdan, and Yaroslav Shydlovskyi. Recommendations for Designing Wooden Arches on Metal-toothed Plates. Intellectual Archive, March 2021. http://dx.doi.org/10.32370/ia_2021_03_18.
Full textTrent, J. D., H. K. Kagawa, Takuro Yaoi, E. Olle, and N. J. Zaluzec. Chaperonin filaments: The archael cytoskeleton. Office of Scientific and Technical Information (OSTI), August 1997. http://dx.doi.org/10.2172/510354.
Full textBarbie, Alexander. ARCHES Digital Twin Framework. GEOMAR, December 2022. http://dx.doi.org/10.3289/sw_arches_core_1.0.0.
Full textRoscoe, S. M. Archean Paleoplacers, Slave Structural Province, NWT. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/133347.
Full textCalvano, Charles, Robert Harney, John Ciezki, David Byers, and Fotis Papoulias. SEA ARCHER" Distributed Aviation Platform". Fort Belvoir, VA: Defense Technical Information Center, December 2001. http://dx.doi.org/10.21236/ada422411.
Full textPoulsen, K. H., K. D. Card, and R. A. Frith. Archean mineral deposits of the Superior Province. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1998. http://dx.doi.org/10.4095/210353.
Full textMerkle, Douglas H., and Laurence D. Merkle. High Frequency Analysis of Circular Arches. Fort Belvoir, VA: Defense Technical Information Center, September 1986. http://dx.doi.org/10.21236/ada174503.
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