Zobrazeno 1 - 10 of 103 pro vyhledávání: '"Alain Vauchez"'
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Akademický článek
The Borborema Strike-Slip Shear Zone System (NE Brazil): Large-Scale Intracontinental Strain Localization in a Heterogeneous Plate
Autor: Sergio P. Neves, Andréa Tommasi, Alain Vauchez, Thais Andressa Carrino
Publikováno v: Lithosphere, Vol 2021, Iss Special 6 (2021)
AbstractLarge-scale strike-slip faults are fundamental tectonic elements of the continental lithosphere. They constitute plate boundaries (continental transforms), separate terranes with contrasting geological histories within accretionary orogens, o
Externí odkaz: https://doaj.org/article/279231aea34045089e1874a819800d07
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3
Slow cooling and crystallization of the roots of the Neoproterozoic Araçuaí hot orogen (SE Brazil): Implications for rheology, strain distribution, and deformation analysis
Autor: Patrick Monié, Maria Helena Bezerra Maia de Hollanda, Alain Vauchez, Marcos Egydio-Silva, Mathieu Mondou
Publikováno v: Tectonophysics
Tectonophysics, Elsevier, 2019, 766, pp.500-518. ⟨10.1016/j.tecto.2019.05.013⟩
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
International audience; The Araçuaí-Ribeira belt formed during the amalgamation of West Gondwana in the late Neoproterozoic. Its evolution included a main tectonometamorphic peak at 600–580 Ma and a minor peak associated with the final collision
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0d4179bf86d4e0deba88c8b8384fe18
https://doi.org/10.1016/j.tecto.2019.05.013
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4
Crust-mantle coupling during continental convergence and break-up: Constraints from peridotite xenoliths from the Borborema Province, northeast Brazil
Autor: Alain Vauchez, Maurizio Mazzucchelli, Shiran Liu, Andréa Tommasi
Publikováno v: Tectonophysics
Tectonophysics, Elsevier, 2019, 766, pp.249-269. ⟨10.1016/j.tecto.2019.05.017⟩
International audience; We studied a suite of mantle xenoliths carried by Cenozoic volcanism in the Borborema Province, NE Brazil. These xenoliths sample a subcontinental lithospheric mantle affected by multiple continental convergence and rifting ev
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f7b8c3f081500a323a22ca53ce7c6a9
https://doi.org/10.1016/j.tecto.2019.05.017
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5
The São Francisco cratonic root beneath the Neoproterozoic Brasilia belt (Brazil): Petrophysical data from kimberlite xenoliths
Autor: Alain Vauchez, Felix Nannini, Sérgio P. Neves, Priscila Rezende Fernandes, Andréa Tommasi
Publikováno v: Tectonophysics
Tectonophysics, Elsevier, 2021, 816, pp.229011. ⟨10.1016/j.tecto.2021.229011⟩
International audience; Petrostructural analysis of 31 mantle xenoliths from three kimberlitic pipes intruding the Neoproterozoic Brasilia belt close to the southwestern margin of the São Francisco craton (SFC) reveals microstructures and compositio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffee268eb4716cd695edca78ead9745d
https://hal.archives-ouvertes.fr/hal-03320605/file/2021_Fernandes_etal_HAL.pdf
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6
A suture related accretionary wedge in the Gondwana assembly: Insights from serpentinites in the Hoggar shield, Algeria
Autor: Sonia Ouadahi, Abderrahmane Bendaoud, Jean-Louis Bodinier, Jean-Marie Dautria, Alain Vauchez, El-Hocine Fettous, Olivier Alard
Publikováno v: Precambrian Research
Precambrian Research, Elsevier, 2022, 369, pp.106505. ⟨10.1016/j.precamres.2021.106505⟩
International audience; The assembly of West Gondwana supercontinent involved several complex processes that led to the formation of the Hoggar shield during the Panafrican-Brasiliano event. We present the first petro-geochemical, geochronological an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0730daa32923989659b4df64c43541d6
https://doi.org/10.1016/j.precamres.2021.106505
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7
Protracted thermal evolution of the Neoproterozoic Araçuaí hot orogen (SE Brazil): consequences for rheology, strain distribution, and deformation analysis
Autor: Alain VAUCHEZ, Maria Hollanda, Patrick Monié, Marcos EGydio-Silva, Mathieu Mondou
The Araçuaí-Ribeira belt formed during the amalgamation of West Gondwana in the late Neoproterozoic. Its evolution encompasses a main tectono-metamorphic peak at 600-580 Ma and a minor one, associated with the final collision with the Western Congo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f4ad0a23d76cd5dfc8dd04516a9abb3
https://eartharxiv.org/4zxpr
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8
Deformation, Annealing, Melt-rock Interaction, and Seismic Properties of an Old Domain of the Equatorial Atlantic Lithospheric Mantle
Autor: Shiran Liu, Alain Vauchez, Maurizio Mazzucchelli, Andréa Tommasi
Publikováno v: Tectonics
Tectonics, American Geophysical Union (AGU), 2019, 38 (4), pp.1164-1188. ⟨10.1029/2018TC005373⟩
International audience; We analyzed a set of mantle xenoliths from the Fernando de Noronha archipelago to constrain the roles of deformation, cooling, annealing, and melt percolation in the evolution of the mantle lithosphere of the equatorial Atlant
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33c81035f08139c9e2adadbd85faac37
https://hdl.handle.net/11380/1171941
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9
Flow in the western Mediterranean shallow mantle: Insights from xenoliths in Pliocene alkali basalts from SE Iberia (eastern Betics, Spain)
Autor: Claudio Marchesi, Alain Vauchez, Antonio Acosta-Vigil, María Isabel Varas-Reus, José Alberto Padrón-Navarta, Andréa Tommasi, Fernando Gervilla, Carlos J. Garrido, Zoltán Konc, Guillermo Booth-Rea, Csaba Szabó, Károly Hidas
Publikováno v: Tectonics. 35:2657-2676
Mantle xenoliths in Pliocene alkali basalts of the eastern Betics (SE Iberia, Spain) are spinel ± plagioclase lherzolite, with minor harzburgite and wehrlite, displaying porphyroclastic or equigranular textures. Equigranular peridotites have olivine
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0475a0852de7975ffdfb3fa6bbe39a18
https://doi.org/10.1002/2016tc004165
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10
Fluid-assisted strain localization in the shallow subcontinental lithospheric mantle
Autor: Andréa Tommasi, Alain Vauchez, José Alberto Padrón-Navarta, Carlos J. Garrido, Károly Hidas, Fabrice Barou, David Mainprice, Claudio Marchesi
Publikováno v: Lithos
Lithos, Elsevier, 2016, 262, pp.636-650. ⟨10.1016/j.lithos.2016.07.038⟩
International audience; We report microstructural evidence for fluid-assisted ductile strain localization in a ≤ 50 m-wide mylonitic–ultramylonitic shear zone in the Ronda Peridotite massif, Southern Spain. Strain localization occurred at relativ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b774a57d66ccf4b3d5a9fa39137bfa9
https://doi.org/10.1016/j.lithos.2016.07.038
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