Investigation of Ultracarbonaceous Antarctic Micrometeorites by Analytical Transmission Electron Microscopy

• Main Authors: Dobrica, E., Engrand, C., Leroux, H., Duprat, J.
• Other Authors: Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (CSNSM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de structures et propriétés de l'état solide - UMR 8008 (LSPES), Université de Lille, Sciences et Technologies-Centre National de la Recherche Scientifique (CNRS)
• Format: Conference Object
• Language: English
• Published: HAL CCSD 2010
• 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]; Antarctic; Antarc*
• Online Access: http://hal.in2p3.fr/in2p3-00672371

International audience Ultracarbonaceous micrometeorites were studied by TEM in order to understand the mineralogy and petrology of probable cometary grains. GEMS, and spherical objects with an igneous signature similar to chondrules were observed in these samples.