《Table 3 Major, trace, rare earth element and platinum group element compositions of peridotites fro

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《Petrological and Os Isotopic Characteristics of Zedong Peridotites in the Eastern Yarlung–Zangbo Suture in Tibet》

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Whole-rock geochemical data of the Zedong peridotites are presented in Table 3.The loss-onignition（LOI）values of of these peridotite samples vary between 0.23–1.87wt%for lherzolites and harzburgites and 2.64–2.73 wt%for dunites，which indicate that the lherzolites and harzburgites are relatively fresh，whereas the dunites arepartly serpentinized.After recalculated the data on LOI free basis，Zedong peridotites have Mg O=42.70–50.58wt%，Fe2O3=0.28–2.00 wt%，Al2O3=0.22–1.93 wt%，Ca O=0.25–2.05 wt%，Na2O=0.05–0.10 wt%and Ti O2=0.01–0.03 wt%.All peridotites show relatively linear increases in Ca O，Al2O3 with decreasing Mg O（Fig.7）.