Jean-Alix BARRAT

Géochimiste

Professeur des universités
Université de Bretagne Occidentale, & Institut Universitaire de France

Affectation

Laboratoire LEMAR

Chibido

Contact

barrat@univ-brest.fr

02 90 91 55 53

Liens

Goodrich, C. A., Collinet, M., Treiman, A., Prissel, T. C., Patzek, M., Ebert, S., Jercinovic, M. J., Bischoff, A., Pack, A., Barrat, J.-A., & Decker, S. (2022). The first main group ureilite with primary plagioclase: A missing link in the differentiation of the ureilite parent body. Meteoritics & Planetary Science, 57(8), 1589–1616. https://doi.org/10.1111/maps.13889 Cite
Zhu, K., Barrat, J.-A., Yamaguchi, A., Rouxel, O., Germain, Y., Langlade, J., & Moynier, F. (2022). Nickel and Chromium Stable Isotopic Composition of Ureilites: Implications for the Earth’s Core Formation and Differentiation of the Ureilite Parent Body. Geophysical Research Letters, 49(7), e2021GL095557. https://doi.org/10.1029/2021GL095557 Cite
Fang, L., Frossard, P., Boyet, M., Bouvier, A., Barrat, J.-A., Chaussidon, M., & Moynier, F. (2022). Half-life and initial Solar System abundance of Sm-146 determined from the oldest andesitic meteorite. Proceedings of the National Academy of Sciences of the United States of America, 119(12), e2120933119. https://doi.org/10.1073/pnas.2120933119 Cite
Ognard, J., Barrat, J.-A., Cotton, F., Mian, A., Kremer, S., Sitoh, Y. Y., Verclytte, S., Loffroy, R., Tripier, R., Alavi, Z., & Ben Salem, D. (2021). A roadmap towards pollution prevention and sustainable development of Gadolinium. Journal of Neuroradiology, 48(6), 409–411. https://doi.org/10.1016/j.neurad.2021.08.002 Cite
Charles, C., Barrat, J.-A., & Pelleter, E. (2021). Trace element determinations in Fe-Mn oxides by high resolution ICP-MS after Tm addition. Talanta, 233, 122446. https://doi.org/10.1016/j.talanta.2021.122446 Cite
Zhu, K., Moynier, F., Schiller, M., Becker, H., Barrat, J.-A., & Bizzarro, M. (2021). Tracing the origin and core formation of the enstatite achondrite parent bodies using Cr isotopes. Geochimica Et Cosmochimica Acta, 308, 256–272. https://doi.org/10.1016/j.gca.2021.05.053 Cite
Gattacceca, J., Devouard, B. A., Barrat, J.-A., Rochette, P., Balestrieri, M. L., Bigazzi, G., Menard, G., Moustard, F., Dos Santos, E., Scorzelli, R., Valenzuela, M., Quesnel, Y., Gounelle, M., Debaille, V., Beck, P., Bonal, L., Reynard, B., & Warner, M. (2021). A 650 km(2) Miocene strewnfield of splash-form impact glasses in the Atacama Desert, Chile. Earth and Planetary Science Letters, 569, 117049. https://doi.org/10.1016/j.epsl.2021.117049 Cite
Marrocchi, Y., Avice, G., & Barrat, J.-A. (2021). The Tarda Meteorite: A Window into the Formation of D-type Asteroids. Astrophysical Journal Letters, 913(1), L9. https://doi.org/10.3847/2041-8213/abfaa3 Cite
Barrat, J.-A., Chaussidon, M., Yamaguchi, A., Beck, P., Villeneuve, J., Byrne, D. J., Broadley, M. W., & Marty, B. (2021). A 4,565-My-old andesite from an extinct chondritic protoplanet. Proceedings of the National Academy of Sciences of the United States of America, 118(11), e2026129118. https://doi.org/10.1073/pnas.2026129118 Cite
Barrat, J.-A., & Ferriere, L. (2021). Olivines in main-group pallasites: magma-ocean cumulates or partial melting residues? Geochemical Perspectives Letters, 16, 47–52. https://doi.org/10.7185/geochemlet.2103 Cite
Zhu, K., Moynier, F., Schiller, M., Alexander, C. M. O., Barrat, J.-A., Bischoff, A., & Bizzarro, M. (2021). Mass-independent and mass-dependent Cr isotopic composition of the Rumuruti (R) chondrites: Implications for their origin and planet formation. Geochimica Et Cosmochimica Acta, 293, 598–609. https://doi.org/10.1016/j.gca.2020.10.007 Cite
Ben Salem, D., & Barrat, J.-A. (2021). Determination of rare earth elements in gadolinium-based contrast agents by ICP-MS. Talanta, 221, 121589. https://doi.org/10.1016/j.talanta.2020.121589 Cite
Barrat, J.-A., Bayon, G., Wang, X., Le Goff, S., Rouget, M.-L., Gueguen, B., & Ben Salem, D. (2020). A new chemical separation procedure for the determination of rare earth elements and yttrium abundances in carbonates by ICP-MS. Talanta, 219, 121244. https://doi.org/10.1016/j.talanta.2020.121244 Cite
Wang, X., Barrat, J.-A., Bayon, G., Chauvaud, L., & Feng, D. (2020). Lanthanum anomalies as fingerprints of methanotrophy. Geochemical Perspectives Letters, 14, 26–30. https://archimer.ifremer.fr/doc/00643/75532/. https://doi.org/10.7185/geochemlet.2019 Cite
Le Goff, S., Barrat, J.-A., Chauvaud, L., Paulet, Y.-M., Gueguen, B., & Ben Salem, D. (2019). Compound-specific recording of gadolinium pollution in coastal waters by great scallops. Scientific Reports, 9, 8015. https://doi.org/10.1038/s41598-019-44539-y Cite