Search Results - "V. Debaille"
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The evolution of Hadean–Eoarchaean geodynamics
Published in Earth and planetary science letters (01-11-2014)“…Geodynamic modelling of Hadean/Eoarchaean tectonics typically requires higher rates of internal heat production, and higher mantle temperatures, in models that…”
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Dry late accretion inferred from Venus’s coupled atmosphere and internal evolution
Published in Nature geoscience (01-04-2020)“…It remains contentious whether the meteoritic material delivered to the terrestrial planets after the end of core formation was rich or poor in water and other…”
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Long-Term Evolution of the Martian Crust-Mantle System
Published in Space science reviews (01-01-2013)“…Lacking plate tectonics and crustal recycling, the long-term evolution of the crust-mantle system of Mars is driven by mantle convection, partial melting, and…”
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Younger Age for ALH84001 and Its Geochemical Link to Shergottite Sources in Mars
Published in Science (American Association for the Advancement of Science) (16-04-2010)“…Martian meteorite ALH84001 (ALH) is the oldest known igneous rock from Mars and has been used to constrain its early history. Lutetium-hafnium (Lu-Hf) isotope…”
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Coupled [sup.142]Nd-[sup.143]Nd evidence for a protracted magma ocean in Mars
Published in Nature (London) (22-11-2007)Get full text
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Structural and Geochemical Interactions Between Magma and Sedimentary Host Rock: The Hovedøya Case, Oslo Rift, Norway
Published in Geochemistry, geophysics, geosystems : G3 (01-03-2020)“…Abstract Two end‐member conceptual models are used to describe deformation of the Earth's crust induced by magma intrusion. “Mode I” fracturing assumes tensile…”
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Obsidian and mafic volcanic glasses from the Philippines and Vietnam found in the Paris Museum Australasian tektite collection
Published in Meteoritics & planetary science (01-07-2022)“…During the systematic magnetic susceptibility survey of the Paris Museum Australasian tektite collection, we identified three previously overlooked occurrences…”
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Early martian mantle overturn inferred from isotopic composition of nakhlite meteorites
Published in Nature geoscience (01-08-2009)“…The early stages of planetary differentiation are characterized by the formation of magma oceans, which crystallize from the base up. The final, iron-rich…”
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Differentiation and magmatic activity in Vesta evidenced by 26Al-26Mg dating in eucrites and diogenites
Published in Geochimica et cosmochimica acta (01-12-2017)“…The 26Al-26Mg short-lived chronometer has been widely used for dating ancient objects in studying the early Solar System. Here, we use this chronometer to…”
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Impact mixing among rocky planetesimals in the early Solar System from angrite oxygen isotopes
Published in Nature astronomy (01-07-2023)“…Angrite meteorites are thought to represent ancient basaltic igneous rocks that formed inward of Jupiter’s orbit on the basis of their isotopic parameters such…”
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Samples Collected From the Floor of Jezero Crater With the Mars 2020 Perseverance Rover
Published in Journal of geophysical research. Planets (01-06-2023)“…The first samples collected by the Mars 2020 mission represent units exposed on the Jezero Crater floor, from the potentially oldest Séítah formation outcrops…”
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The potential science and engineering value of samples delivered to Earth by Mars sample return
Published in Meteoritics & planetary science (01-03-2019)“…Executive Summary Return of samples from the surface of Mars has been a goal of the international Mars science community for many years. Affirmation by NASA…”
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Caleta el Cobre 022 Martian meteorite: Increasing nakhlite diversity
Published in Meteoritics & planetary science (01-07-2020)“…Caleta el Cobre (CeC) 022 is a Martian meteorite of the nakhlite group, showing an unbrecciated cumulate texture, composed mainly of clinopyroxene and olivine…”
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The potential science and engineering value of samples delivered to Earth by Mars sample return
Published in Meteoritics & planetary science (01-03-2019)“…Executive summary provided in lieu of …”
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Pantasma: Evidence for a Pleistocene circa 14 km diameter impact crater in Nicaragua
Published in Meteoritics & planetary science (01-04-2019)“…The circa 14 km diameter Pantasma circular structure in Oligocene volcanic rocks in Nicaragua is here studied for the first time to understand its origin…”
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The case for metamorphic base metal mineralization: pyrite chemical, Cu and S isotope data from the Cu-Zn deposit at Kupferberg in Bavaria, Germany
Published in Mineralium deposita (01-12-2017)“…The stratiform Cu-Zn sulfide deposit at Kupferberg in Germany represents Bavaria’s largest historic base metal producer. The deposit is hosted by Early…”
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A Mars 2020 Perseverance SuperCam Perspective on the Igneous Nature of the Máaz Formation at Jezero Crater and Link With Séítah, Mars
Published in Journal of geophysical research. Planets (01-07-2023)“…The Máaz formation consists of the first lithologies in Jezero crater analyzed by the Mars 2020 Perseverance rover. This formation, investigated from Sols…”
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The formation of IIE iron meteorites investigated by the chondrule-bearing Mont Dieu meteorite
Published in Meteoritics & planetary science (01-07-2015)“…A 435 kg piece of the Mont Dieu iron meteorite (MD) contains cm‐sized silicate inclusions. Based on the concentration of Ni, Ga, Ge, and Ir (8.59 ± 0.32 wt%,…”
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Sample return of primitive matter from the outer Solar System
Published in Experimental astronomy (01-12-2022)“…The last thirty years of cosmochemistry and planetary science have shown that one major Solar System reservoir is vastly undersampled in the available suite of…”
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A large meteoritic event over Antarctica ca. 430 ka ago inferred from chondritic spherules from the Sør Rondane Mountains
Published in Science advances (01-03-2021)“…Large airbursts, the most frequent hazardous impact events, are estimated to occur orders of magnitude more frequently than crater-forming impacts. However,…”
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