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U and Pb Isotopes in Allende Inclusions and Meteoritic Whitlockite

J. H. Chen, G. J. Wasserburg

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Abstract

We measured the isotopic composition of U and Pb in five Ca-Al rich inclusions from the Allende and in phosphates from the St. Sévérin chondrite and the Angra dos Reis achondrite. The purpose of this study is to test claims of large isotopic anomalies in U from meteoritic materials made by other workers.

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We measured the isotopic composition of U and Pb in five Ca-Al rich inclusions from the Allende and in phosphates from the St. Sévérin chondrite and the Angra dos Reis achondrite. The purpose of this study is to test claims of large isotopic anomalies in U from meteoritic materials made by other workers.

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Available abstract

We measured the isotopic composition of U and Pb in five Ca-Al rich inclusions from the Allende and in phosphates from the St. Sévérin chondrite and the Angra dos Reis achondrite. The purpose of this study is to test claims of large isotopic anomalies in U from meteoritic materials made by other workers.

Key concepts: Allende meteorite, Achondrite, Whitlockite, Chondrite, Geochemistry, Meteorite, Geology, Carbonaceous chondrite

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