Micrometeorites from Central Antarctica (CONCORDIA Collection): Noble Gases - Indication for a Single Population?

• Main Authors: Baecker, B., Duprat, J., Engrand, C., Trieloff, M., Cartwright, J. A., Ott, U.
• Other Authors: CSNSM AS, Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
• Format: Conference Object
• Language: English
• Published: HAL CCSD 2012
• Subjects: [PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]; [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]; Antarc*; Antarctica
• Online Access: https://hal.in2p3.fr/in2p3-00780098

We present our first noble gas results (He, Ne, Ar, Kr and Xe) for 2 crystalline and 3 fine-grained micrometeorites (MMs)from Central Antarctica (CONCORDIA collection). The MMs display similar Ne and Xe ratios, which may indicate a single population.