Isotopic composition of gadolinium in meteorites
1979 年 13 巻 6 号 p. 281-285
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1979 年 13 巻 6 号 p. 281-285
An alternative explanation is presented for the neutron effects observed by EUGSTER et al. (1970) in Gd extracted from the Norton County achondrite. It is suggested that an ‘early’ irradiation of the solar system material occurred at a temperature much higher than 200°K assumed by the above investigators. It appears that the Gd anomalies are closely related to the O and Mg anomalies recently observed in various meteorites.
