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 81 554 A 1 1 10.0 10.0 76.00 76.10 91.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 1 1 41.0 41.0 76.00 76.41 76.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 1 1 76.0 76.0 76.00 76.76 41.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 2 2 71.0 71.0 85.50 87.71 92.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 3 2 26.0 26.0 95.00 96.76 24.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 3 2 111.0 111.0 95.00 97.61 91.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 3 3 92.0 92.0 95.00 98.92 91.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 3 3 120.0 120.0 95.00 99.20 93.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 4 2 64.0 64.0 104.50 106.64 74.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 4 3 76.0 76.0 104.50 108.26 73.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 5 1 81.0 81.0 114.00 114.81 77.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 5 2 6.0 6.0 114.00 115.56 81.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 5 4 59.0 59.0 114.00 119.09 6.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 5 4 75.0 75.0 114.00 119.25 95.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 5 5 14.0 14.0 114.00 120.14 9.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 6 2 51.0 51.0 123.50 125.51 19.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 6 2 121.0 121.0 123.50 126.21 62.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 6 2 125.0 125.0 123.50 126.25 2.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 7 3 71.0 71.0 133.00 136.71 94.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 554 A 7 4 120.0 120.0 133.00 138.70 91.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD