Search Results - "Mathilde Cannat"
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Microseismicity and lithosphere thickness at a nearly-amagmatic oceanic detachment fault system
Published in Nature communications (26-01-2023)“…Oceanic detachment faults play a central role in accommodating the plate divergence at slow-ultraslow spreading mid-ocean ridges. Successive flip-flop…”
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Microbial ecology of the newly discovered serpentinite-hosted Old City hydrothermal field (southwest Indian ridge)
Published in The ISME Journal (01-03-2021)“…Lost City (mid-Atlantic ridge) is a unique oceanic hydrothermal field where carbonate-brucite chimneys are colonized by a single phylotype of archaeal…”
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Diffuse Venting and Near Seafloor Hydrothermal Circulation at the Lucky Strike Vent Field, Mid‐Atlantic Ridge
Published in Geochemistry, geophysics, geosystems : G3 (01-03-2024)“…We report on a 3 years monitoring experiment of low to medium temperature diffuse venting at two vent sites (Tour Eiffel and White Castle) of the Lucky Strike,…”
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Serpentinization of oceanic peridotites: 2. Kinetics and processes of San Carlos olivine hydrothermal alteration
Published in Journal of Geophysical Research: Solid Earth (01-04-2012)“…The kinetics of the reaction (Mg,Fe)‐olivine + H2O → serpentine + magnetite + brucite + H2 were investigated at 500 bars in the 250–350°C range using natural…”
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Internal Structure of the Oceanic Lithosphere at a Melt‐Starved Ultraslow‐Spreading Mid‐Ocean Ridge: Insights From 2‐D Seismic Data
Published in Geochemistry, geophysics, geosystems : G3 (01-02-2020)“…Abstract Extensive outcrops of serpentinized peridotite in melt‐starved spreading corridors of the ultraslow easternmost Southwest Indian Ridge are…”
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The isotopic (He, Ne, Sr, Nd, Hf, Pb) signature in the Indian Mantle over 8.8 Ma
Published in Chemical geology (20-09-2020)“…The eastern Southwest Indian Ridge, between 61° and 67°E, has a very low melt supply and comprises several corridors of nearly amagmatic spreading that expose…”
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Continuous exhumation of mantle-derived rocks at the Southwest Indian Ridge for 11 million years
Published in Nature geoscience (01-04-2013)“…The global mid-ocean ridge system, where tectonic plates diverge, is traditionally thought of as the largest single volcanic feature on the Earth. Yet, wide…”
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Effects of Substrate Composition and Subsurface Fluid Pathways on the Geochemistry of Seafloor Hydrothermal Deposits at the Lucky Strike Vent Field, Mid‐Atlantic Ridge
Published in Geochemistry, geophysics, geosystems : G3 (01-05-2022)“…The Lucky Strike vent field, located on the Mid‐Atlantic Ridge (MAR), is hosted on enriched mid‐ocean ridge basalt associated with the nearby Azores hotspot…”
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9
Magmatism, serpentinization and life: Insights through drilling the Atlantis Massif (IODP Expedition 357)
Published in Lithos (15-12-2018)“…IODP Expedition 357 used two seabed drills to core 17 shallow holes at 9 sites across Atlantis Massif ocean core complex (Mid-Atlantic Ridge 30°N). The goals…”
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Margin-to-Margin Seafloor Spreading in the Eastern Gulf of Aden: A 16 Ma-Long History of Deformation and Magmatism from Seismic Reflection, Gravity and Magnetic Data
Published in Frontiers in earth science (Lausanne) (22-07-2021)“…In this paper we present and analyze spreading-parallel seismic transects that image the oceanic crust in the eastern Gulf of Aden, from the Oman to the…”
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Seismic Ambient Noise Imaging of a Quasi-Amagmatic Ultra-Slow Spreading Ridge
Published in Remote sensing (Basel, Switzerland) (01-07-2021)“…Passive seismic interferometry has become very popular in recent years in exploration geophysics. However, it has not been widely applied in marine…”
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Three‐dimensional seismic structure of the Dragon Flag oceanic core complex at the ultraslow spreading Southwest Indian Ridge (49°39′E)
Published in Geochemistry, geophysics, geosystems : G3 (01-10-2013)“…The Southwest Indian Ridge (SWIR) is an ultraslow spreading end‐member of mid‐ocean ridge system. We use air gun shooting data recorded by ocean bottom…”
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Temporal variability and tidal modulation of hydrothermal exit-fluid temperatures at the Lucky Strike deep-sea vent field, Mid-Atlantic Ridge
Published in Journal of geophysical research. Solid earth (01-04-2014)“…We deployed autonomous temperature sensors at black smoker chimneys, cracks, and diffuse flow areas at the Lucky Strike hydrothermal field (Mid‐Atlantic Ridge,…”
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14
Diversity of magmatism, hydrothermal processes and microbial interactions at mid-ocean ridges
Published in Nature reviews. Earth & environment (01-12-2022)“…Hydrothermal circulation and alteration at mid-ocean ridges and ridge flanks have a key role in regulating seawater chemistry and global chemical fluxes, and…”
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15
Discovery of a magma chamber and faults beneath a Mid-Atlantic Ridge hydrothermal field
Published in Nature (31-08-2006)“…Crust at slow-spreading ridges is formed by a combination of magmatic and tectonic processes, with magmatic accretion possibly involving short-lived crustal…”
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Magnetic properties of variably serpentinized abyssal peridotites
Published in Journal of Geophysical Research - Solid Earth (01-05-2002)“…We have compiled new and published data on the magnetic properties of 245 serpentinized abyssal peridotites from seven Deep Sea Drilling Project and Ocean…”
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Societal need for improved understanding of climate change, anthropogenic impacts, and geo-hazard warning drive development of ocean observatories in European Seas
Published in Progress in oceanography (01-10-2011)“…Society’s needs for a network of in situ ocean observing systems cross many areas of earth and marine science. Here we review the science themes that benefit…”
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Oceanic corrugated surfaces and the strength of the axial lithosphere at slow spreading ridges
Published in Earth and planetary science letters (30-10-2009)“…We analyse the topography and gravity signature of 39 corrugated surfaces formed over the past 26 myrs in the footwall of axial detachment faults at the…”
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Integrating Multidisciplinary Observations in Vent Environments (IMOVE): Decadal Progress in Deep-Sea Observatories at Hydrothermal Vents
Published in Frontiers in Marine Science (13-05-2022)“…The unique ecosystems and biodiversity associated with mid-ocean ridge (MOR) hydrothermal vent systems contrast sharply with surrounding deep-sea habitats,…”
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Toward a Comprehensive and Integrated Strategy of the European Marine Research Infrastructures for Ocean Observations
Published in Frontiers in Marine Science (31-03-2020)“…Marine ecosystems are vital for life on Earth. Global change is progressing rapidly, and geo-hazards, such as earthquakes, volcanic eruptions and tsunamis,…”
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