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Published July 1997 | Published
Journal Article Open

Trace-element abundances and the origin of aluminum-26-bearing chondrules in unequilibrated ordinary chondrites

Abstract

Calcium-aluminum-rich inclusions (CAis) typically contain radiogenic ^(26)Mg (^(26)Mg^*) from the decay of ^(26)Al, with (^(26)Al/^(27)Al); up to 5 x 10^(-5) [e.g., 1]. Some Al-rich chondrules from unequilibrated ordinary chondrites contain detectable ^(26)Mg^*, but (^(26)Al/^(27)Al); is lower [e.g., 2].

Additional Information

© 1997 The Meteoritical Society. Article first published online: 4 Feb 2010. Supported by NASA grant NAGW 3297 to G. J. Wasserburg. Caltech Div. Contrib. 5820 (966).

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Created:
August 19, 2023
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