Zobrazeno 1 - 10 of 86 pro vyhledávání: '"Maud Boyet"'
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Akademický článek
The message of oldhamites from enstatite chondrites
Autor: Tahar Hammouda, Maud Boyet, Paul Frossard, Camille Cartier
Publikováno v: Progress in Earth and Planetary Science, Vol 9, Iss 1, Pp 1-19 (2022)
Abstract We have determined rare-earth element (REE) abundances in oldhamites (CaS) from 13 unequilibrated and equilibrated enstatite chondrites (5 EH and 8 EL) and in a few enstatites by in situ, laser ablation ICP-MS. In EH chondrites, oldhamite RE
Externí odkaz: https://doaj.org/article/8d804de6c3b64af9ad53bc13947df4ac
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2
Earth’s composition was modified by collisional erosion
Autor: Paul Frossard, Claudine Israel, Audrey Bouvier, Maud Boyet
Publikováno v: Science
Science, 2022, 377 (6614), pp.1529-1532. ⟨10.1126/science.abq7351⟩
The samarium-146 ( 146 Sm)–neodymium-142 ( 142 Nd) short-lived decay system (half-life of 103 million years) is a powerful tracer of the early mantle-crust evolution of planetary bodies. However, an increased 142 Nd/ 144 Nd in modern terrestrial ro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::238512145beedc7ac299396149079894
https://doi.org/10.1126/science.abq7351
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3
High-precision measurement of europium isotopic composition of geological reference materials by multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS)
Autor: Lukas Nicol, Marion Garçon, Maud Boyet, Abdelmouhcine Gannoun
Publikováno v: Journal of Analytical Atomic Spectrometry
Journal of Analytical Atomic Spectrometry, 2023, ⟨10.1039/d3ja00042g⟩
International audience; To date only few analyses of europium (Eu) isotopic composition of terrestrial and extraterrestrial samples have been reported in the literature. This isotopic systematic remains largely understudied and it is still unknown wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20a28337246188f17158bf39fccb8cec
https://hal.uca.fr/hal-04092191/document
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4
Metallome deregulation and health-related impacts due to long-term exposure to recent volcanic ash deposits: New chemical and isotopic insights
Autor: Lucie Sauzéat, Julia Eychenne, Lucia Gurioli, Maud Boyet, David E. Jessop, Roberto Moretti, Mélusine Monrose, Hélène Holota, Claude Beaudoin, David H. Volle
Publikováno v: Science of the Total Environment
Science of the Total Environment, In press, 829, pp.154383. ⟨10.1016/j.scitotenv.2022.154383⟩
International audience; Volcanic ash exposure can lead to significant health risks. Damage to the respiratory and pulmonary systems are the most evident toxic side effects although the causes of these symptoms remain unclear. Conversely, the effects
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93a82fd4bda01f7262f6729766246506
https://hal.uca.fr/hal-03610668
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5
Reply to comment on 'Metamorphic origin of anastomosing and wavy laminas overprinting putative microbial deposits from the 3.22 Ga Moodies Group (Barberton Greenstone Belt)'
Autor: Masafumi Saitoh, Nicolas Olivier, Marion Garçon, Maud Boyet, Christophe Thomazo, Julien Alleon, Jean-François Moyen, Vincent Motto-Ros, Johanna Marin-Carbonne
Publikováno v: Precambrian Research
Precambrian Research, Elsevier, 2022, 373, pp.106624. ⟨10.1016/j.precamres.2022.106624⟩
Precambrian Research, 2022, 373, pp.106624. ⟨10.1016/j.precamres.2022.106624⟩
International audience; Anastomosing branching and wavy laminae in quartz-rich sandstones of the 3.22 Ga Moodies Group in the Barberton Greenstone Belt (BGB), South Africa, have been extensively described as fossilized microbial mats developed in ter
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3783493f7f4f7e1ee2697fd5c54bfef7
https://hal.uca.fr/hal-03602349
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6
Half-life and initial Solar System abundance of
Autor: Linru, Fang, Paul, Frossard, Maud, Boyet, Audrey, Bouvier, Jean-Alix, Barrat, Marc, Chaussidon, Frederic, Moynier
Publikováno v: Proceedings of the National Academy of Sciences of the United States of America. 119(12)
The formation and differentiation of planetary bodies are dated using radioactive decay systems, including the short-lived 146Sm-142Nd (T½ = 103 or 68 Ma) and long-lived 147Sm-143Nd (T½ = 106 Ga) radiogenic pairs that provide relative and absolute
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e12a49294937b3f286608ee574fa0b02
https://pubmed.ncbi.nlm.nih.gov/35290127
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7
Redox control on chromium isotope behaviour in silicate melts in contact with magnesiochromite
Autor: Emilie Bruand, A. K. Matzen, Bernard Wood, P. Bonnand, Federica Schiavi, Maud Boyet, Matthew Jerram, Alex N. Halliday
Publikováno v: Geochimica et Cosmochimica Acta
Geochimica et Cosmochimica Acta, Elsevier, 2020, 288 (1), pp.282-300. ⟨10.1016/j.gca.2020.07.038⟩
Geochimica et Cosmochimica Acta, 2020, 288 (1), pp.282-300. ⟨10.1016/j.gca.2020.07.038⟩
co-auteur étranger; International audience; Transition metal isotopes are particularly useful for understanding the conditions under which magmatic processes occur. Moreover, those with more than one oxidation state (e.g. Cr2+, Cr3+ and Cr6+) may al
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55b5e29d5dfd94f0402508b481027b5b
https://doi.org/10.1016/j.gca.2020.07.038
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9
Zinc isotope anomalies in primitive meteorites identify the outer solar system as an important source of Earth's volatile inventory
Autor: Paul S. Savage, Frédéric Moynier, Maud Boyet
Publikováno v: Icarus
Icarus, 2022, 386, pp.115172. ⟨10.1016/j.icarus.2022.115172⟩
Icarus, 2022, 386, ⟨10.1016/j.icarus.2022.115172⟩
FM acknowledge funding from ERC grant agreement No. 101001282 (METAL), the UnivEarthS Labex program (numbers: ANR-10-LABX-0023 and ANR-11-IDEX-0005-02), the IPGP multidisciplinary program PARI, the Region île-de-France SESAME Grants no. 12015908, EX
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7431a4752a99f023175265c13ecbf64
https://doi.org/10.1016/j.icarus.2022.115172
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10
Evidence from achondrites for a temporal change in Nd nucleosynthetic anomalies within the first 1.5 million years of the inner solar system formation
Autor: Mary Spencer, P. Frossard, Maud Boyet, Audrey Bouvier, Zhiguo Guo
Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, 2021, 566, ⟨10.1016/j.epsl.2021.116968⟩
HAL
Earth and Planetary Science Letters, Elsevier, 2021, 566
International audience; Heterogeneity in isotopic compositions within the protoplanetary disc has been demonstrated for a number of elements measured in extra-terrestrial materials, mostly based on chondrite meteorite analyses. However, precise 182Hf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::01698298ba0d5c572e52ff4039abc213
https://hal.uca.fr/hal-03228316/file/Frossard_2021_Nd_achondrites_Postprint_SI.pdf
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