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Table T3. Strontium, Nd, and Pb isotopic ratios in basement rocks from Sites U1381 and U1414, Expeditions 334 and 344.

Core, section,
interval (cm)		 87Sr/86Sr 2σ 87Sr/86Sr(i) 143Nd/144Nd 2σ 143Nd/144Nd(i) 206Pb/204Pb 2σ 207Pb/204Pb 2σ 208Pb/204Pb 2σ 206Pb/204Pb(t) 207Pb/204Pb(t) 208Pb/204Pb(t)
334-U1381A-
16R-2, 136–139 0.704189 0.000010 0.70406 0.512938 0.000015 0.512922 18.8046 0.00023 15.5900 0.00014 38.7306 0.00015 18.770 15.588 38.697
20R-2, 115–118 0.703702 0.000018 0.70357 0.512993 0.000012 0.512976 18.9502 0.00014 15.5905 0.00015 38.7542 0.00016 18.844 15.586 38.621
26R-3, 53–56 0.703951 0.000013 0.70379 0.512918 0.000013 0.512902                  
344-U1381C-
13X-1, 11–16 0.703869 0.000011 0.70375 0.512940 0.000015 0.512923 19.1378 0.00018 15.6090 0.00013 38.8320 0.00020 18.993 15.602 38.761
344-U1414A-
46R-1, 107–110 0.704071 0.000015 0.70394 0.512951 0.000023 0.512934 18.4646 0.00025 15.6046 0.00014 38.4018 0.00029 18.424 15.603 38.360
48R-1, 117–122 0.703945 0.000015 0.70381 0.512794 0.000011 0.512776 19.0133 0.00012 15.5929 0.00013 38.8510 0.00011 18.968 15.591 38.799
51R-4, 126–134 0.702889 0.000012 0.70275 0.513040 0.000022 0.513023 18.5607 0.00014 15.5723 0.00024 38.6432 0.00011 18.514 15.570 38.586
54R-1, 12–23             19.0498 0.00025 15.5952 0.00023 38.8735 0.00019 18.951 15.591 38.743
56R-1, 109–115 0.704306 0.000014 0.70417 0.512917 0.000025 0.512900                  
58R-3, 0–6 0.704632 0.000018 0.70449 0.512895 0.000016 0.512879 19.4383 0.00026 15.6164 0.00026 38.9566 0.00017 19.2827 15.609 38.829
59R-2, 82–87 0.704433 0.000018 0.70430 0.512905 0.000013 0.512889 19.0523 0.00019 15.5831 0.00014 38.9921 0.00011 18.9953 15.580 38.911
59R-2, 82–87* 0.704465 0.000022 0.70433 0.512908 0.000012 0.512893                  
60R-2, 55–65 0.704229 0.000012 0.70409 0.512900 0.000015 0.512884 18.9706 0.00015 15.5887 0.00015 38.9628 0.00011 18.904 15.586 38.877
62R-2, 117–125 0.703954 0.000011 0.70382 0.512961 0.000018 0.512943 19.0417 0.00020 15.5921 0.00024 38.8624 0.00010 18.975 15.589 38.780

* = duplicate sample. Initial Sr, Nd, and Pb isotopic ratios for these samples are calculated using an age of 16 Ma (Hoernle et al., 2000).

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