Search Results - "Jambon, Albert"
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Partial melting of a C-rich asteroid: Lithophile trace elements in ureilites
Published in Geochimica et cosmochimica acta (01-12-2016)“…Ureilites are among the most common achondrites and are widely believed to sample the mantle of a single, now-disrupted, C-rich body. We analyzed 17 ureilite…”
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Cl-amphibole in the nakhlite MIL 03346: Evidence for sediment contamination in a Martian meteorite
Published in Earth and planetary science letters (30-11-2006)“…The Pathfinder, Spirit and Opportunity missions revealed that Martian soils and rocks are enriched in chlorine (up to 0.6 wt.% Cl). Significant piles of…”
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A comment to: “The manufacture and origin of the Tutankhamun meteoritic iron dagger” by Matsui et al
Published in Meteoritics & planetary science (01-01-2023)“…Matsui et al. (2022) performed X‐ray fluorescence RF analyses of Tutankhamun's dagger and its hilt. Although the approach is indeed interesting, this work has…”
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Bronze Age iron: Meteoritic or not? A chemical strategy
Published in Journal of archaeological science (01-12-2017)“…Bronze Age iron artifacts could be derived from either meteoritic (extraterrestrial) or smelted (terrestrial) iron. This unresolved question is the subject of…”
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Retention of Xenon in Quartz and Earth's Missing Xenon
Published in Science (American Association for the Advancement of Science) (18-11-2005)“…The reactivity of xenon with terrestrial oxides was investigated by in situ synchrotron x-ray diffraction. At high temperature (T > 500 kelvin), some silicon…”
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Silica as a shock index in shergottites: A cathodoluminescence study
Published in Meteoritics & planetary science (01-07-2005)“…— Silica in shergottites is a minor phase of great significance. Determining its structural state as either silica glass, quartz, cristobalite, tridymite,…”
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Low argon solubility in silicate melts at high pressure
Published in Nature (London) (28-05-1998)“…The solubility of rare gases in silicate melts and minerals at high pressure is of importance for understanding the early history of the Earth and its present…”
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Argon solubility in silicate melts at very high pressures. Experimental set-up and preliminary results for silica and anorthite melts
Published in Earth and planetary science letters (01-12-1996)“…A CO 2 laser-heated diamond anvil cell was used for performing argon solubility experiments in silicate melts. This technique allowed solubility experiments to…”
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The chemical composition of the Earth: Enstatite chondrite models
Published in Earth and planetary science letters (01-05-2010)“…We propose a new model of Earth's bulk composition based on enstatite chondrites (E-chondrites), the only chondrite group isotopically identical to the Earth…”
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Metamorphic angrite Northwest Africa 3164/5167 compared to magmatic angrites
Published in Geochimica et cosmochimica acta (01-11-2015)“…Northwest Africa (NWA) 3164 and 5167 are two angrites with a granulitic texture unlike that of other angrites, with a variable, up to millimeter grain size…”
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Widespread magma oceans on asteroidal bodies in the early Solar System
Published in Nature (16-06-2005)“…Immediately following the formation of the Solar System, small planetary bodies accreted, some of which melted to produce igneous rocks. Over a longer…”
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Evolution of the angrite parent body: Implications of metamorphic coronas in NWA 3164
Published in Meteoritics & planetary science (01-10-2013)“…Northwest Africa 3164 is a coarse‐grained angrite that shows reaction coronas, a unique character among achondrites. Olivine (Fo57; 1.2 wt% CaO), fassaitic…”
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Northwest Africa 5790: Revisiting nakhlite petrogenesis
Published in Geochimica et cosmochimica acta (01-10-2016)“…Northwest Africa 5790, the latest nakhlite find, is composed of 58vol.% augite, 6% olivine and 36% vitrophyric intercumulus material. Its petrology is…”
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Noble gas and carbon isotopes in Mariana Trough basalt glasses
Published in Applied geochemistry (01-06-1998)“…Noble gas elemental and isotopic compositions have been measured as well as the abundance of C and its isotopic ratios in 11 glasses from submarine pillow…”
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The lithophile trace elements in enstatite chondrites
Published in Geochimica et cosmochimica acta (01-03-2014)“…We report on the abundances of a selected set of lithophile trace elements (namely REEs, Y, Rb, Ba, Sr, Zr, Hf, Nb, Th, U) in a comprehensive suite of…”
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Tissint Martian Meteorite: A Fresh Look at the Interior, Surface, and Atmosphere of Mars
Published in Science (American Association for the Advancement of Science) (09-11-2012)“…Tissint (Morocco) is the fifth martian meteorite collected after it was witnessed falling to Earth. Our integrated mineralogical, petrological, and geochemical…”
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5,000 years old Egyptian iron beads made from hammered meteoritic iron
Published in Journal of archaeological science (01-12-2013)“…The earliest known iron artefacts are nine small beads securely dated to circa 3200 BC, from two burials in Gerzeh, northern Egypt. We show that these beads…”
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Impact-generated carbonate melts in the Talemzane impact structure (Laghouat, Algeria)
Published in Arabian journal of geosciences (01-09-2016)“…The 1750-m-diameter, bowl-shaped Talemzane impact structure in Algeria is emplaced in Senonian or Eocene flint-bearing limestones. Field studies reveal a thin…”
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Low-Mg rock debris in howardites: Evidence for KREEPy lithologies on Vesta?
Published in Geochimica et cosmochimica acta (15-12-2012)“…The Northwest Africa (NWA) 1664 and 1769 howardites contain fragments of low-Mg lithologies. These clasts consist of plagioclase, Fe-rich pyroxenes (high-Ca…”
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No Martian soil component in shergottite meteorites
Published in Geochimica et cosmochimica acta (15-01-2014)“…We report on the major and trace element geochemistry of the impact melts contained in some shergottite meteorites. It has been previously proposed that some…”
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