(Table 5) Sr and Nd isotopic composition of DSDP Hole 51/52-417D
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I Nd CH=R(0) = 0.51264; 147Sm/144Nd(CHUR) = 0.1936; I Nd CHUR (T = 108 Ma) = 0.51251; Nd isotope normalization factor: 146/144 = 0.7219
钕（Nd）同位素初始比值I_(Nd)_(CH,R₀) = 0.51264；球粒陨石均一储库（Chondritic Uniform Reservoir, CHUR）的¹⁴⁷Sm/¹⁴⁴Nd比值为0.1936；年龄T=108百万年（Ma）时球粒陨石均一储库的钕同位素初始比值为0.51251；钕同位素标准化因子：¹⁴⁶Nd/¹⁴⁴Nd = 0.7219
