Characterization of the noble gases and CRE age of the D'Orbigny angrite

Eugster, O.; Busemann, H.; Kurat, G.; Lorenzetti, S. and Varela, M. E. (2002). Characterization of the noble gases and CRE age of the D'Orbigny angrite. In: 65th Annual Meeting of the Meteoritical Society, 21-26 July 2002, Los Angeles, California, USA.

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Abstract

Introduction: The D’Orbigny angrite, a 16.55 kg stone, was found 1979 in Argentina [1]. Mineralogy and chemistry of this meteorite were characterized in detail [2-6]. A Pb-U-Th age of 4.559 Ga was obtained for pyroxenes by Jagoutz et al. [7]. Here we report results on the noble gas isotopic composition and, in particular, on the cosmic-ray exposure (CRE) age of D’Orbigny.

Item Type:	Conference Item
Extra Information:	Abstract #5077
Keywords:	noble gases;
Academic Unit/Department:	Science > Physical Sciences
Item ID:	8313
Depositing User:	Kyra Proctor
Date Deposited:	02 Jul 2007
Last Modified:	22 May 2013 02:42
URI:	http://oro.open.ac.uk/id/eprint/8313

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