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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

Isotope composition of Cd, Ca and Mg in the Brownfield chondrite

K. J. R. Rosman, I. L. Barnes, L. J. Moore, J. W. Gramlich
Geochemical Journal, Vol. 14, No. , P. 269-277, 1980


The isotopic composition of cadmium, calcium and magnesium in the Brownfield chondrite have been measured. The measurements on cadmium show that this element is isotopically fractionated with the heavier isotopes relatively enriched to the extent of 2.7‰ per mass unit. This confirms earlier reports by ROSMAN and DE LAETER (1976, 1978). Calcium and magnesium show no evidence of isotope fractionation, indicating that the process responsible for fractionating cadmium does not seem to have affected these more refractory elements.

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