Jean Bollard

Jean Bollard

Postdoc, Academic employee FU

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    Publication year:
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    1 - 8 out of 8Page size: 10
    1. 2023
    2. Published

      Evidence for Very Early Planetesimal Formation and 26Al/27Al Heterogeneity in the Protoplanetary Disk

      Connelly, James, Bollard, Jean, Amsellem, Elsa, Schiller, Martin, Larsen, K. K. & Bizzarro, Martin, 2023, In: Astrophysical Journal Letters. 952, 2, 9 p., L33.

      Research output: Contribution to journal › Journal article › Research › peer-review

    3. 2021
    4. Published

      Improved methods for high-precision Pb-Pb dating of extra-terrestrial materials

      Connelly, James, Bollard, Jean, Costa, M. M., Vermeesch, P. & Bizzarro, Martin, 2021, In: Journal of Analytical Atomic Spectrometry. 36, 12, p. 2579-2587 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    5. 2019
    6. Published

      Combined U-corrected Pb-Pb dating and 26Al-26Mg systematics of individual chondrules – Evidence for a reduced initial abundance of 26Al amongst inner Solar System chondrules

      Bollard, Jean, Kawasaki, N., Sakamoto, N., Olsen, M., Itoh, S., Larsen, K., Wielandt, D., Schiller, Martin, Connelly, James, Yurimoto, H. & Bizzarro, Martin, 2019, In: Geochimica et Cosmochimica Acta. 260, p. 62-83 22 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    7. 2018
    8. Published

      Volatile element evolution of chondrules through time

      Mahan, B., Moynier, F., Siebert, J., Gueguen, B., Agranier, A., Pringle, E. A., Bollard, Jean, Connelly, James & Bizzarro, Martin, 2018, In: Proceedings of the National Academy of Sciences of the United States of America. 115, 34, p. 8547-8552 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    9. 2017
    10. Published

      Early formation of planetary building blocks inferred from Pb isotopic ages of chondrules

      Bollard, Jean, Connelly, James, Whitehouse, M. J., Pringle, E. A., Bonal, L., Jørgensen, Jes Kristian, Nordlund, Åke, Moynier, F. & Bizzarro, Martin, Aug 2017, In: Science Advances. 3, 8, 9 p., e1700407.

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. Published

      Pb-Pb chronometry and the early Solar System

      Connelly, James, Bollard, Jean & Bizzarro, Martin, 15 Mar 2017, In: Geochimica et Cosmochimica Acta. 201, p. 345-363 19 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    12. 2016
    13. Published

      Early Disk dynamics Inferred from Isotope Systematics of Individual Chondrules: Absolute Chronology of the Solar Protoplanetary Disk Revisited

      Bollard, Jean, 2016, Natural History Museum of Denmark, Faculty of Science, University of Copenhagen. 195 p.

      Research output: Book/Report › Ph.D. thesis › Research

    14. 2015
    15. Published

      Pb-Pb dating of individual chondrules from the CBa chondrite Gujba: assessment of the impact plume formation model

      Bollard, Jean, Connelly, James & Bizzarro, Martin, 2015, In: Meteoritics and Planetary Science. 50, 7, p. 1197-1216 20 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    ID: 41045959