Lead Isotopic Ages of Chondrules and Calcium-Aluminum-Rich Inclusions
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Amelin, Yuri
Krot, Alexander
Hutcheon, Ian D
Ulyanov, Alexander A.
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American Association for the Advancement of Science
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The lead-lead isochron age of chondrules in the CR chondrite Acfer 059 is 4564.7 ± 0.6 million years ago (Ma), whereas the lead isotopic age of calcium-aluminum-rich inclusions (CAIs) in the CV chondrite Efremovka is 4567.2 ± 0.6 Ma. This gives an inter
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2037-12-31
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