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      182Hf-182W isotope systematics of chondrites, eucrites, and martian meteorites: Chronology of core formation and early mantle differentiation in Vesta and Mars

      , , , ,
      Geochimica et Cosmochimica Acta
      Elsevier BV

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          Most cited references46

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          Trace element fractionation during anatexis

          Denis Shaw (1970)
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            Lead isotopic ages of chondrules and calcium-aluminum-rich inclusions.

            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 interval of 2.5 +/- 1.2 million years (My) between formation of the CV CAIs and the CR chondrules and indicates that CAI- and chondrule-forming events lasted for at least 1.3 My. This time interval is consistent with a 2- to 3-My age difference between CR CAIs and chondrules inferred from the differences in their initial 26Al/27Al ratios and supports the chronological significance of the 26Al-26Mg systematics.
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              Rapid accretion and early core formation on asteroids and the terrestrial planets from Hf–W chronometry

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                Author and article information

                Journal
                Geochimica et Cosmochimica Acta
                Geochimica et Cosmochimica Acta
                Elsevier BV
                00167037
                July 2004
                July 2004
                : 68
                : 13
                : 2935-2946
                Article
                10.1016/j.gca.2004.01.009
                25bb2110-261b-4cca-8bca-a4d36bc457fc
                © 2004

                http://www.elsevier.com/tdm/userlicense/1.0/


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