Mostrando 10 resultados de: 16
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Journal of Geophysical Research: Solid Earth(2)
Marine Geology(2)
Earth and Planetary Science Letters(1)
Eos(1)
Geochemistry, Geophysics, Geosystems(1)
A honeycomb seafloor morphology in carbonate sediment of the Carnegie Ridge (offshore Ecuador): Formation and potential geodynamic significance
ArticleAbstract: Based on swath bathymetry, two-dimensional, high-resolution seismic reflection profiles, and Ocean DPalabras claves:Autores:Dano A., De Min L., Glenda Loayza, Jean Noël Proust, Jean Yves Collot, Khaoulani A., Lebrun J.F., María José Hernández, Michaud F.A., Pouderoux H., Ratzov G., Stoll Y.Fuentes:scopusAre rupture zone limits of great subduction earthquakes controlled by upper plate structures? Evidence from multichannel seismic reflection data acquired across the northern Ecuador-southwest Colombia margin
ArticleAbstract: Subduction of the Nazca plate beneath the Ecuador-Colombia margin has produced four megathrust earthPalabras claves:Active margin structures, Ecuador-Colombia, MORPHOLOGY, Multichannel seismic reflection, Subduction earthquakesAutores:Agudelo W., Charvis P., Graindorge D., Gutscher M.A., Jean Yves Collot, Marcaillou B., Michaud F.A., Sage F., Spence G.Fuentes:scopusFrom Long- to Short-Term Inter-Plate Coupling at the Subducted Carnegie Ridge Crest, Offshore Central Ecuador
ArticleAbstract: We investigate the relationship between the long-term (Quaternary) interplate coupling and the shortPalabras claves:Autores:Carlos Martillo-Bustamante, Jean Mathieu Nocquet, Jean Noël Proust, Jean Yves Collot, Lebrun J.F., María José Hernández, Michaud F.A., Popescu S., Ratzov G., Schenini L.Fuentes:scopusFields of multi-kilometer scale sub-circular depressions in the Carnegie Ridge sedimentary blanket: Effect of underwater carbonate dissolution?
ArticleAbstract: Offshore Ecuador, the Carnegie Ridge is a volcanic ridge with a carbonate sediment drape. During thePalabras claves:Carbonate dissolution, ECUADOR, karst, Pockmark, Volcanic ridgeAutores:Bialas J., Chabert A., Charvis P., Flueh E.R., Graindorge D., Gustcher M.A., Jean Yves Collot, Michaud F.A., Sallarès V.Fuentes:scopusFirst timing constraints on the Ecuadorian Coastal Cordillera exhumation: Geodynamic implications
ArticleAbstract: In this study, we provide the first detrital apatite (U–Th-Sm)/He (AHe) and zircon U–Pb ages to estaPalabras claves:Apatite (U–Th-Sm)/He data, Carnegie ridge, Ecuadorian Coastal Cordillera, Exhumation, Forearc domain, Modeling, Subduction, Zircon U–Pb datingAutores:Brichau S., Gautheron C., Jean Noël Proust, Leisen M., María José Hernández, Michaud F.A., O'Sullivan P., Pedro S.B. Reyes, Saillard M., Vacherat A.Fuentes:scopusFlare-Shaped Acoustic Anomalies in the Water Column Along the Ecuadorian Margin: Relationship with Active Tectonics and Gas Hydrates
ArticleAbstract: With hull-mounted multibeam echosounder data, we report for the first time along the active EcuadoriPalabras claves:Acoustics, Backscatter, Continental margin, ECUADOR, Fluid, Multibeam, Seepage, SubductionAutores:Carlos Martillo-Bustamante, Dano A., Glenda Loayza, Guiyeligou G.D., Jean Noël Proust, Jean Yves Collot, Lebrun J.F., María José Hernández Salazar, Michaud F.A., Pouderoux H., Ratzov G., Schenini L.Fuentes:scopusEvolution of the Ecuador offshore nonaccretionary-type forearc basin and margin segmentation
ArticleAbstract: Forearc basins have developed along accretionary and nonaccretionary convergent margins. Here, we inPalabras claves:Convergent margin, ECUADOR, Multichannel seismic reflection, Nonaccretionary forearc basinAutores:d'Acremont E., Jean Noël Proust, Jean Yves Collot, María José Hernández, Michaud F.A.Fuentes:scopusHolocene Marine Tephra Offshore Ecuador and Southern Colombia: First Trench-to-Arc Correlations and Implication for Magnitude of Major Eruptions
ArticleAbstract: Tephra layers preserved in marine sediments are strong tools to study the frequency, magnitude and sPalabras claves:ECUADOR, geochemistry, land-sea correlation, tephrochronology, VolcanologyAutores:Bablon M., Collot J.Y., Devidal J.L., Jean Noël Proust, LePennec J.L., Liorzou C., Michaud F.A., Migeon S., Miguel González, Nauret F., Orange F., Pablo Samaniego Ponce, Patricia A. Mothes, Ratzov G., Saillard M., Silvana Hidalgo, Silvia X. VallejoFuentes:scopusSeafloor margin map helps in understanding subduction earthquakes
ReviewAbstract:Palabras claves:Autores:Alexandra P. Alvarado, Jean Yves Collot, Lebrun J.F., Legonidec Y., Marcaillou B., Michaud F.A., Migeon S., Pazmino A., Schneider J.L., Sosson M., Spence G.Fuentes:scopusSeismic structure of the Carnegie ridge and the nature of the Galápagos hotspot
ReviewAbstract: The Galápagos volcanic province (GVP) includes several aseismic ridges resulting from the interactioPalabras claves:Aseismic ridge, Galápagos hotspot, Gravity, Mantle melting, Seismic tomographyAutores:Agudelo W., Anglade A., Berhorst A., Bethoux N., Bialas J., Broser A., Calahorrano Y., Charvis P., Fekete N., Flueh E.R., Gailler A., Gutscher M.A., Hello Y., Jean Yves Collot, Liersch P., Michaud F.A., Müller M., Osorio J.A., Ravaut C., Sallarès V., Steffen K.P., Thierer P., Walther C., Yates B.Fuentes:scopus