leg site hole core section top interval depth (cm) bottom interval depth (cm) top of core depth (m) sample depth (m) percent total carbon percent organic carbon percent calcium carbonate (CaCO3) method code data source code 73 520 8 CC 7.0 7.0 246.50 248.70 85.3 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 9 1 139.0 139.0 256.00 257.39 81.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 9 2 7.0 7.0 256.00 257.57 9.5 0.0 78.5 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 9 2 139.0 139.0 256.00 258.89 80.5 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 9 3 139.0 139.0 256.00 260.39 80.5 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 9 4 7.0 7.0 256.00 260.57 9.5 0.1 79.1 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 9 4 131.0 131.0 256.00 261.81 80.5 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 9 5 121.0 121.0 256.00 263.21 73.3 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 9 5 141.0 141.0 256.00 263.41 44.9 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 9 5 147.0 147.0 256.00 263.47 76.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 10 1 37.0 37.0 265.50 265.87 30.5 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 11 1 36.0 36.0 275.00 275.36 86.3 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 11 2 36.0 36.0 275.00 276.86 91.1 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 11 3 36.0 36.0 275.00 278.36 73.3 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 11 4 36.0 36.0 275.00 279.86 61.3 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 11 4 57.0 57.0 275.00 280.07 7.6 0.0 63.3 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 12 1 46.0 46.0 284.50 284.96 26.6 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 12 1 107.0 107.0 284.50 285.57 61.3 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 12 2 15.0 15.0 284.50 286.15 4.9 0.1 39.9 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 12 2 21.0 21.0 284.50 286.21 4.0 0.1 32.8 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 12 2 31.0 31.0 284.50 286.31 36.2 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 14 1 68.0 68.0 310.50 311.18 27.6 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 14 2 22.0 22.0 310.50 312.22 6.4 0.1 52.0 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 14 2 92.0 92.0 310.50 312.92 75.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 14 CC 14.0 14.0 310.50 314.09 23.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 15 1 21.0 21.0 303.50 303.71 23.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 15 1 24.0 24.0 303.50 303.74 3.2 0.1 26.1 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 15 2 22.0 22.0 303.50 305.22 32.4 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 15 CC 10.0 10.0 303.50 306.03 71.4 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 16 1 75.0 75.0 313.00 313.75 74.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 16 4 32.0 32.0 313.00 317.82 26.6 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 16 4 42.0 42.0 313.00 317.92 74.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 17 2 131.0 131.0 322.50 325.31 71.8 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 18 1 7.0 7.0 332.00 332.07 8.8 0.1 72.8 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 19 1 15.0 15.0 336.50 336.65 4.8 0.2 38.7 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 19 1 130.0 130.0 336.50 337.80 27.6 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 20 2 12.0 12.0 341.50 343.12 8.9 0.1 74.0 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 20 2 141.0 141.0 341.50 344.41 74.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 21 2 44.0 44.0 346.00 347.94 67.8 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 21 2 51.0 51.0 346.00 348.01 22.8 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 22 1 35.0 35.0 351.00 351.35 24.2 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 23 CC 14.0 14.0 355.50 358.14 2.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 24 1 120.0 120.0 360.50 361.70 3.6 0.1 29.2 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 24 2 58.0 58.0 360.50 362.58 65.9 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 24 3 58.0 58.0 360.50 364.08 82.7 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 25 1 108.0 108.0 370.50 371.58 86.5 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 26 1 32.0 32.0 389.00 389.32 4.0 0.1 32.1 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 26 1 32.0 32.0 389.00 389.32 5.7 0.2 45.8 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 73 520 26 1 61.0 61.0 389.00 389.61 22.8 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 26 2 101.0 101.0 389.00 391.51 80.3 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 27 1 13.0 13.0 398.50 398.63 89.9 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 28 1 17.0 17.0 417.50 417.67 87.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 29 1 134.0 134.0 436.50 437.84 0.3 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 73 520 29 CC 18.0 18.0 436.50 439.30 80.8 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD