"Chapter 29. 152S-251. Author: J.G. Fitton. Sr-, Nd-, and Pb-Isotopic Composition of Volcanic Rocks from the Southeast Greenland Margin at 63 degrees N: Temporal Variation in Crustal Contamination During Continental Breakup " Isotopic data for volcanic rocks from Leg 152 Sample "Hole, core, section," Piece Depth Series Unit 87Sr/86Sr 2 se 143Nd/144Nd 2 se 206Pb/204Pb 2 se 207Pb/204Pb 2 se 208Pb/204Pb 2 se interval (cm) (mbsf) 915-3 "915A-24R-2, 60-64" 2B 198.68 Lava 3 0.703669 46 0.512878 12 17.228 20 15.381 22 37.575 51 917-10 "917A-10R-4, 48-51" 2A 78.53 Upper 10 0.702992 40 0.513111 9 17.688 6 15.494 8 37.541 19 917-14 "917A-12R-1, 31-36" 4A 92.31 Upper 14 0.703201 20 0.513035 7 16.832 10 15.268 12 37.381 20 917-17 "917A-13R-5, 120-124" 11 108.19 Upper 17 0.704055 20 0.512613 6 15.433 9 14.826 12 37.114 27 917-26 "917A-18R-4, 105-109" 7B 151.04 Upper 26 0.702993 23 0.513077 7 917-32B "917A-20R-4, 131-134" 11 170.06 Upper 32B 0.702997 29 0.513058 16 17.76 15 15.48 14 37.53 30 917-33 "917A-21R-3, 126-130" 5 177.75 Upper 33 0.703604 24 0.513085 6 17.941 5 15.396 5 37.494 11 917-34B "917A-23R-2, 64-68" 15 194.01 Middle 34B 0.71397 31 0.511881 6 16.276 10 14.976 18 38.335 36 917-47 "917A-32R-4, 76-80" 10 244.82 Middle 47 0.710495 28 0.510887 7 13.684 8 14.47 7 35.673 20 917-55 "917A-51R-1, 42-45" 10 365.42 Middle 55 0.70654 27 0.511268 7 13.757 6 14.467 8 34.749 21 917-58 "917A-54R-4, 70-73" 1C 388.95 Lower 58 0.703876 12 0.512121 9 917-60 "917A-55R-5, 66-70" 9A 399.98 Lower 60 0.703299 24 0.512975 8 917-61B "917A-57R-3, 67-71" 1A 416.36 Lower 61B 0.703909 39 0.512886 12 17.625 12 15.416 15 37.675 27 917-62 "917A-57R-7, 29-32" 1B 421.58 Lower 62 0.703922 29 0.512841 7 917-63 "917A-58R-3, 0-5" 1A 424.69 Lower 63 0.703652 40 0.51224 8 14.781 11 14.715 11 35.126 21 917-68 "917A-64R-2, 43-47" 1B 472.63 Lower 68 0.70428 23 0.512731 8 917-70 "917A-67R-3, 126-130" 6B 503.69 Lower 70 0.704242 32 0.512304 8 917-71 "917A-69R-2, 123-127" 4 521.53 Lower 71 0.703559 31 0.512001 9 917-72 "917A-71R-4, 27-31" 1C 542.07 Lower 72 0.704579 23 0.51265 6 17.773 5 15.243 4 37.926 13 917-73A "917A-72R-1, 53-57" 3D 547.83 Lower 73A 0.703111 33 0.513113 8 17.625 9 15.446 9 37.541 22 917-74A "917A-74R-1, 41-48" 8A 567.11 Lower 74A 0.70318 38 0.511434 6 13.768 3 14.439 12 33.649 28 917-78 "917A-79R-2, 75-79" 1D 607.19 Lower 78 0.703375 38 0.511559 5 917-81B "917A-81R-4, 54-58" 6 629.32 Lower 81B 0.702701 22 0.511859 15 14.132 5 14.558 7 33.96 18 917-88 "917A-96R-1, 110-114" 10A 760.5 Lower 88 0.702968 31 0.511493 9 16.045 3 15.049 4 36.809 10 917-89 "917A-97R-2, 11-15" 1A 770.36 Lower 89 0.702773 27 0.512018 6 917-90 "917A-99R-2, 60-64" 1D 790.37 Lower 90 0.702822 30 0.511886 7 14.402 3 14.646 4 34.165 11 918-1 "918D-94R-1, 80-84" 4D 1176.2 Sill 1 0.702997 28 0.512941 6 18.14 7 15.44 8 38.056 17 918-8B "918D-101R-4, 96-100" 12 1226.65 Lava 8B 0.703734 29 0.513065 6 918-12Bi "918D-107R-2, 92-96" 12B 1259.58 Lava 12B 0.703023 31 0.513134 8 17.789 23 15.582 27 37.65 77 918-12Bii "918D-108R-1, 42-46" 2B 1262.62 Lava 12B 0.703048 23 0.513129 7 918-13B "918D-109R-3, 50-54" 5 1270.15 Lava 13B 0.703003 20 0.513076 7 918-15 "918D-111R-3, 77-81" 9B 1285.12 Lava 15 0.702966 34 0.513054 8 17.889 7 15.486 7 37.864 16