Summary of U-Th and (U-Th)/He zircon ages.
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https://figshare.com/articles/dataset/_Summary_of_U_Th_and_U_Th_He_zircon_ages_/897225
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资源简介：
4 He (ncc) volume of helium in ncc at STP; Sm <0.01 ng; TAU = total analytical uncertainty; Ft = alpha retention factor; D230 calculated from zircon Th/U and HD Th/U = 3.4 and HDA Th/U = 3.5; sampling locations: HD = 36S 602261E/4220954N; HDA = 36S 599557E/4215676N (UTM/WGS84). Age averages are error weighted with the error defined by the equilibrium age minus analytical error, and the disequilibrium-corrected age plus analytical error.
创建时间：
2014-01-08
