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Published July 1997 | Published
Journal Article Open

Search for nickel-60 excesses in pallasite olivines


We have initiated a search in pallasite olivines for possible excesses of ^(60)Ni due to the decay of ^(60)Fe (half-life 1.5 Ma). The search in pallasite olivines was based on the observation of evidence for the in situ decay in pallasite olivine of ^(53)Mn (half-life 3.7 Ma) for Eagle Station and for Omolon; the expectation of high ^(56)Fe/^(58)Ni in pallasite olivines; Re-Os measurements in pallasites that indicate a whole-rock isochron for pallasites consistent with the whole-rock Re-Os isochron for iron meteorites and possibly early formation; and the discovery of evidence for the in situ decay of ^(60)Fe in eucrites.

Additional Information

© 1997 The Meteoritical Society. Article first published online: 4 Feb 2010. This work supported by NASA, NAGW-3337. Division Contribution 5825(971).

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Published - Wasserburg_1997pA103.pdf


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