Sm-Nd isotope data of whole-rock bentonite samples from Svalbard (including C...
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Initial EpsilonNd (EpsilonNd(t)) calculated with 60 Ma for Basilika Fm. bentonites and Lawson-ash 1 and 54 Ma for Lawson ash 2.
初始εNd值(EpsilonNd(t))的计算中,针对Basilika组(Basilika Fm.)斑脱岩与Lawson火山灰1,采用60 Ma作为年龄参数;针对Lawson火山灰2,则采用54 Ma作为年龄参数。



