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Subsolar noble gases in an acid-resistant residue of the EH5 chondrite St Mark's

Busemann, H.; Baur, H. and Wieler, R. (2001). Subsolar noble gases in an acid-resistant residue of the EH5 chondrite St Mark's. In: 64th Annual Meteoritical Society Meeting, 10-14 September 2001, Vatican City, Italy.

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Abstract

Extract from the introduction: Enstatite chondrites have remarkable properties: they were formed in a reducing environment, they are putatively similar to precursor material of Earth, Venus, or Mercury, have a terrestrial oxygen isotopic composition and an uncommon noble gas signature [1-5]. Trapped noble gases in Echondrites are intermediate between solar and chondritic composition and consist of two components: Subsolar, enriched in Ar and Kr relative to Xe and Q-gas, possibly residing in enstatite, micro-vesicles or graphite within enstatite [6,7] and Q-gases [5,8].

Item Type: Conference Item
Extra Information: Abstract #5309
Keywords: noble gases; E-chondrites;
Academic Unit/Department: Science > Physical Sciences
Science
Item ID: 8340
Depositing User: Kyra Proctor
Date Deposited: 05 Jul 2007
Last Modified: 27 Jul 2016 18:58
URI: http://oro.open.ac.uk/id/eprint/8340
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