Výsledky vyhledávání - "François Chauvet"

Akademický článek

Middle-lower continental crust exhumed at the distal edges of volcanic passive margins

Autor: Laurent Geoffroy, François Chauvet, Jean-Claude Ringenbach

Publikováno v: Communications Earth & Environment, Vol 3, Iss 1, Pp 1-9 (2022)

Distal edges of volcanic passive margins contain exhumed continental crust that suggests continental material in oceans may be more common than previously thought, according to high-quality multichannel seismic data collected off Namibia

Externí odkaz: https://doaj.org/article/0b6c6ee69cd849408e63b3ce6d4a591b

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Volcanic passive margins and break-up processes in the southern Red Sea

Autor: François Chauvet, Laurent Geoffroy, Bernard Le Gall, Marion Jaud

Publikováno v: Gondwana Research. 117:169-193

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9232ed1c0c689c2328d6938e5e23550
https://doi.org/10.1016/j.gr.2023.01.004

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Eocene continental breakup in Baffin Bay

Autor: René C. Maury, François Chauvet, Adriano R. Viana, Arnaud Agranier, Bernard Le Gall, Laurent Geoffroy, Hervé Guillou

Publikováno v: Tectonophysics
Tectonophysics, Elsevier, 2019, 757, pp.170-186. ⟨10.1016/j.tecto.2019.03.003⟩
Tectonophysics, 2019, 757, pp.170-186. ⟨10.1016/j.tecto.2019.03.003⟩

We question the timing of continental breakup and early oceanization in Baffin Bay, North-East Atlantic. North of the Ungava fault zone, the breakup was syn-magmatic and led to the development of conjugate volcanic passive margins (VPMs). We investig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::688c0382bc158a6a040196e0ea2b0675
https://doi.org/10.1016/j.tecto.2019.03.003

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Conjugate volcanic passive margins in the austral segment of the South Atlantic – Architecture and development

Autor: François Chauvet, Laurent Geoffroy, Jean-Noel Ferry, Jean-Claude Ringenbach, François Sapin

Publikováno v: Earth-Science Reviews
Earth-Science Reviews, Elsevier, 2021, 212, pp.103461-. ⟨10.1016/j.earscirev.2020.103461⟩
Earth-science Reviews (0012-8252) (Elsevier), 2021-01, Vol. 212, P. 103461 (34p.)

The thorough interpretation of the South Atlantic long offset seismic lines provides a new view of the magmatic and crustal architecture and of the evolution of the conjugate volcanic passive margins (VPM) along the austral segment of the South Atlan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba2749d996075333436cd6bdbe365453
https://hal.archives-ouvertes.fr/hal-03493128

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Potential of a virtual reality environment based on very-high-resolution satellite imagery for structural geology measurements of lava flows

Autor: Marion Jaud, Laurent Geoffroy, François Chauvet, Erwan Durand, François Civet

Publikováno v: Journal Of Structural Geology (0191-8141) (Elsevier BV), 2022-05, Vol. 158, P. 104569 (10p.)

Combining very-high-spatial resolution (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f75136bc8a0256f7cb077fadd46f7810
https://doi.org/10.1016/j.jsg.2022.104569

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Magmatic ocean-continent transitions

Autor: Laurent Gernigon, Huixin Guan, Cécile Grigné, Laurent Geoffroy, Philippe Werner, François Chauvet

Publikováno v: Marine and Petroleum Geology
Marine and Petroleum Geology, Elsevier, 2019, 104, pp.438-450. ⟨10.1016/j.marpetgeo.2019.04.003⟩
Marine And Petroleum Geology (0264-8172) (Elsevier Sci Ltd), 2019-06, Vol. 104, P. 438-450

Continental extension may, or may not, be coeval with significant mantle melting, leading to the formation of distinct types of passive margins (respectively magma-poor or volcanic), with distinct crustal structures. Especially in inter-cratonic mobi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c676c49e6a1d3ae48d61475b202574e7
https://hal.archives-ouvertes.fr/hal-03484401/file/S0264817219301400.pdf

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Volcanic record of continental thinning in Baffin Bay margins: Insights from Svartenhuk Halvo Peninsula basalts, West Greenland

Autor: René C. Maury, Laurent Geoffroy, Adriano R. Viana, François Chauvet, Arnaud Agranier, Bernard Le Gall

Publikováno v: Lithos (0024-4937) (Elsevier Science Bv), 2019-06, Vol. 334-335, P. 117-140
Lithos
Lithos, Elsevier, 2019, 334, pp.117-140. ⟨10.1016/j.lithos.2019.03.017⟩

We report major, trace elements and Pb, Hf, Nd and Sr isotopes in 61–54 Ma old basalts from Svartenhuk Halvo Peninsula (Greenland). This area corresponds to the northernmost exposure of the West Greenland volcanic province, of which the emplacement

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec77001d94003720d796185dc4f5ad47
https://archimer.ifremer.fr/doc/00637/74932/

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Triassic alkaline magmatism of the Hawasina Nappes: Post-breakup melting of the Oman lithospheric mantle modified by the Permian Neotethyan Plume

Autor: Pierre Brunet, Sylvain Campillo, Christophe Basile, Delphine Bosch, René C. Maury, Joseph Cotten, Henriette Lapierre, François Chauvet

Publikováno v: Lithos
Lithos, 2011, 122 (1-2), pp.122-136. ⟨10.1016/j.lithos.2010.12.006⟩
Lithos, Elsevier, 2011, 122 (1-2), pp.122-136. ⟨10.1016/j.lithos.2010.12.006⟩

International audience; Middle to Late Triassic lavas were sampled within three tectonostratigraphic groups of the Hawasina Nappes in the Oman Mountains. They are predominantly alkali basalts and trachybasalts, associated with minor sub-alkaline basa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a81483efcefed0c232da1cf0af2adb0
https://doi.org/10.1016/j.lithos.2010.12.006

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Structures and timing of Permian rifting in the central Oman Mountains (Saih Hatat)

Autor: Christophe Basile, François Chauvet, Thierry Dumont

Publikováno v: Tectonophysics. 475:563-574

We investigated remnants of Permian rifting sequences in the Saih Hatat metamorphic window (central Oman Mountains), part of the former Arabian continental margin which has been overthrust by the Semail ophiolite. In the less-deformed northwestern pa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e42cac436db0e2a76bdf139b605f263
https://doi.org/10.1016/j.tecto.2009.07.008

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Geochemistry of the Panjal Traps basalts (NW Himalaya): records of the Pangea Permian break-up

Autor: Jean-Claude Vannay, Georges Mascle, Delphine Bosch, François Chauvet, Francine Keller, Stéphane Guillot, Joseph Cotten, Henriette Lapierre, Pierre Brunet

Publikováno v: Bulletin de la Société Géologique de France
Bulletin de la Société Géologique de France, Société géologique de France, 2008, 179 (4), pp.383-395. ⟨10.2113/gssgfbull.179.4.383⟩

The late Lower to Middle Permian Panjal Traps (NW Himalaya, India-Pakistan) represent the greatest magmatic province erupted on the northern Indian platform during the Neotethys opening. New geochemical and isotopic analyses were performed on basalts

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::129103bb1141fb14530b104ffebeac5e
https://doi.org/10.2113/gssgfbull.179.4.383

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