Report of the JARE-54 and BELARE 2012-2013 joint expedition to collect meteorites on the Nansen Ice field Antarctica

Naoya Imae, Vinciane Debaille, Wendy Debouge, Steven Goderis, Geneviève Hublet, Takashi Mikouchi, Nadia Van Roosbroek, Akira Yamaguchi, Harry Zekollari, Philippe Claeys, Hideyasu Kojima

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Abstract

This paper reports on a joint expedition (JARE-54 and BELARE 2012–2013) that conducted a search for meteorites on the Nansen Ice Field, Antarctica, in an area south of the Sør Rondane Mountains (72°30′–73°S, 23°–25°E; elevation 2900–3000 m). The expedition took place over a period of 39 days during the austral summer, between 26 December 2012 and 2 February 2013. The team consisted of ten members: three researchers and one field assistant from the 54th Japanese Antarctic Research Expedition (JARE-54), and five researchers and one field assistant from the Belgian Antarctic Expedition (BELARE) 2012–2013. Previously, this area had only been searched by JARE-29. The team collected 424 meteorites, which had a total weight of about 70 kg. The search tracks of the ten members of the expedition were recorded using hand-held GPS units, and this allowed the distribution of meteorites within the searched area to be mapped. The resultant data will be useful for planning future expeditions and can be used to clarify the meteorite
concentration mechanism on the ice field. This paper focuses on the activities of JARE-54 during the joint expedition.
Original languageEnglish
Pages (from-to)38-72
Number of pages35
JournalAntarctic Record
Volume59
Issue number1
Publication statusPublished - 2015

Keywords

  • Meteorite
  • Nansen Ice field
  • 18 kg chondrite

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