Barium isotopic composition of the upper continental crust
The upper continental crust (UCC) is an important reservoir of Ba within the Earth. We report
high precision (≤±0.05‰, 2SD) Ba isotopic data for 71 samples (including granites,
granodiorites, loess, glacial diamictites, and river sediments) to constrain the Ba isotopic
composition of the UCC. I-type granites from the Fogang batholith, Southeastern (SE) China,
exhibit variable δ 137/134 Ba (− 0.16‰ to 0.01‰), which may be due to isotopic
fractionation during the latest stages of magmatic differentiation. The δ 137/134 Ba of S-type …
high precision (≤±0.05‰, 2SD) Ba isotopic data for 71 samples (including granites,
granodiorites, loess, glacial diamictites, and river sediments) to constrain the Ba isotopic
composition of the UCC. I-type granites from the Fogang batholith, Southeastern (SE) China,
exhibit variable δ 137/134 Ba (− 0.16‰ to 0.01‰), which may be due to isotopic
fractionation during the latest stages of magmatic differentiation. The δ 137/134 Ba of S-type …
Barium isotopic composition of the upper continental crust.
NXY Nan XiaoYun, YHM Yu HuiMin, RL Rudnick… - 2018 - cabidigitallibrary.org
The upper continental crust (UCC) is an important reservoir of Ba within the Earth. We report
high precision (≤±0.05 per mil, 2SD) Ba isotopic data for 71 samples (including granites,
granodiorites, loess, glacial diamictites, and river sediments) to constrain the Ba isotopic
composition of the UCC. I-type granites from the Fogang batholith, Southeastern (SE) China,
exhibit variable δ137/134Ba (-0.16 per mil to 0.01 per mil), which may be due to isotopic
fractionation during the latest stages of magmatic differentiation. The δ137/134Ba of S-type …
high precision (≤±0.05 per mil, 2SD) Ba isotopic data for 71 samples (including granites,
granodiorites, loess, glacial diamictites, and river sediments) to constrain the Ba isotopic
composition of the UCC. I-type granites from the Fogang batholith, Southeastern (SE) China,
exhibit variable δ137/134Ba (-0.16 per mil to 0.01 per mil), which may be due to isotopic
fractionation during the latest stages of magmatic differentiation. The δ137/134Ba of S-type …
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