Výsledky vyhledávání - "Ian D. Bastow"

Akademický článek

Multigenetic Origin of the X‐Discontinuity Below Continents: Insights From African Receiver Functions

Autor: Stephen Pugh, Alistair Boyce, Ian D. Bastow, C. J. Ebinger, Sanne Cottaar

Publikováno v: Geochemistry, Geophysics, Geosystems, Vol 24, Iss 3, Pp n/a-n/a (2023)

Abstract Constraints on chemical heterogeneities in the upper mantle may be derived from studying the seismically observable impedance contrasts that they produce. Away from subduction zones, several causal mechanisms are possible to explain the inte

Externí odkaz: https://doaj.org/article/94630b23c99c46bcbd4c083a5eb94605

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Akademický článek

The Influence of the North Anatolian Fault and a Fragmenting Slab Architecture on Upper Mantle Seismic Anisotropy in the Eastern Mediterranean

Autor: Thomas A. J. Merry, Ian D. Bastow, Rita Kounoudis, Christopher S. Ogden, Rebecca E. Bell, Laurence Jones

Publikováno v: Geochemistry, Geophysics, Geosystems, Vol 22, Iss 9, Pp n/a-n/a (2021)

Abstract The eastern Mediterranean hosts, within the span of a few hundred kilometers, extensional, strike‐slip, and collision tectonics above a set of fragmenting subducting slabs. Slab roll‐back, toroidal flow, and lithospheric dripping/delamin

Externí odkaz: https://doaj.org/article/92ebd5ebc12b4ffba8a3f91a0a43efe6

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Magmatism during the continent – ocean transition

Autor: Tyrone O. Rooney, Eric L. Brown, Ian D. Bastow, J Ramón Arrowsmith, Christopher J. Campisano

Publikováno v: Rooney, T O, Brown, E L, Bastow, I D, Arrowsmith, J R & Campisano, C J 2023, ' Magmatism during the continent – ocean transition ', Earth and Planetary Science Letters, vol. 614, 118189 . https://doi.org/10.1016/j.epsl.2023.118189

As continents break apart, the dominant mechanism of extension transitions from faulting and lithospheric stretching to magma intrusion and oceanic crust formation in a new ocean basin. A common feature of this evolution preserved at magmatic rifted

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b259e641411ccd102ea427f6a0050a85
https://pure.au.dk/portal/da/publications/magmatism-during-the-continent--ocean-transition(7bb31bc2-888c-4d99-977e-517fb1f220f9).html

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Quantitative analysis of faulting in the Danakil Depression rift of Afar: the importance of faulting in the final stages of magma-rich rifting

Autor: Gareth L. Hurman, Derek Keir, Jonathan M. Bull, Lisa C. McNeill, Adam D. Booth, Ian D. Bastow

Magmatic intrusion and faulting both accommodate crustal extension in magma-rich rifts. However, quantitative constraints on the contribution of faulting to total extension and along-rift variations of faulting during the final stages of break-up are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f89998dc268520e3fd5aad9351535314
https://eprints.soton.ac.uk/477965/

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Stratigraphic record of continental breakup, offshore NW Australia

Autor: Matthew T. Reeve, Craig Magee, Christopher A.‐L. Jackson, Rebecca E. Bell, Ian D. Bastow

Continental breakup involves a transition from rapid, fault-controlled syn-rift subsidence to relatively slow, post-breakup subsidence induced by lithospheric cooling. Yet the stratigraphic record of many rifted margins contain syn-breakup unconformi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d73297d398e2354960963a7bd9465e3

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The influence of the North Anatolian Fault and a fragmenting slab architecture on upper mantle seismic anisotropy in the eastern Mediterranean

Autor: Rebecca Bell, Ian D. Bastow, Laurence Jones, R. Kounoudis, C. S. Ogden, Thomas A. J. Merry

The eastern Mediterranean hosts, within the span of a few hundred kilometers, extensional, strike-slip, and collision tectonics above a set of fragmenting subducting slabs. Slab roll-back, toroidal flow, and lithospheric dripping/delamination process

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b34be6ca7c0873366f58b7ab2ca87cdc
http://hdl.handle.net/10044/1/90935

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Body-wave tomographic imaging of the Turkana Depression: Implications for rift development and plume-lithosphere interactions

Autor: Cynthia Ebinger, Ian D. Bastow, M. Musila, R. Kounoudis, Atalay Ayele, B. A. Kibret, C. S. Ogden, Rebecca Bendick, Nicholas Mariita, G. Wigham, G. Kianji

The Turkana Depression, a topographically-subdued, broadly-rifted zone between the elevated East African and Ethiopian plateaus, disrupts the N–S, fault-bounded rift basin morphology that characterizes most of the East African Rift. The unusual bre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73661577720d27ae70b8c7d558e1ffbe
http://hdl.handle.net/10044/1/90652

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A multicomponent Isabella anomaly: Resolving the physical state of the Sierra Nevada upper mantle from Vp/Vs anisotropy tomography

Autor: Hersh Gilbert, Thomas J. Owens, Melissa V. Bernardino, Ian D. Bastow, W. Levandowski, Craig H. Jones

Publikováno v: Geosphere. 15:2018-2042

The Isabella anomaly, a prominent upper-mantle high-speed P-wave anomaly located within the southern Great Valley and southwestern foothills of the Sierra Nevada, has been interpreted either as foundering sub-Sierran lithosphere or as remnant oceanic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c43d1c5fb4ecfef524751098757f281
https://doi.org/10.1130/ges02093.1

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