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 81 552 1 1 71.0 71.0 0.00 0.71 74.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 1 2 81.0 81.0 0.00 2.31 28.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 1 2 145.0 145.0 0.00 2.95 66.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 1 3 24.0 24.0 0.00 3.24 66.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 2 1 51.0 51.0 51.00 51.51 88.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 3 1 21.0 21.0 108.00 108.21 94.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 3 3 81.0 81.0 108.00 111.81 92.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 4 1 144.0 144.0 117.50 118.94 92.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 5 2 114.0 114.0 127.00 129.64 92.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 6 3 60.0 60.0 136.50 140.10 88.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 6 3 113.0 113.0 136.50 140.63 83.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 7 1 80.0 80.0 146.00 146.80 91.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 7 3 145.0 145.0 146.00 150.45 91.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 8 2 95.0 95.0 155.50 157.95 78.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 8 4 3.0 3.0 155.50 160.03 73.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 8 4 80.0 80.0 155.50 160.80 40.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 9 3 40.0 40.0 165.00 168.40 15.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 9 4 113.0 113.0 165.00 170.63 24.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 9 5 105.0 105.0 165.00 172.05 6.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 10 CC 10.0 10.0 174.50 174.80 2.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 12 1 100.0 100.0 193.50 194.50 4.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 12 4 118.0 118.0 193.50 199.18 11.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 12 5 119.0 119.0 193.50 200.69 8.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 13 1 84.0 84.0 203.00 203.84 2.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 13 1 116.0 116.0 203.00 204.16 12.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 14 4 38.0 38.0 212.50 217.38 5.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 15 1 36.0 36.0 222.00 222.36 3.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 16 1 12.0 12.0 231.50 231.62 13.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 16 1 77.0 77.0 231.50 232.27 4.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 17 1 29.0 29.0 241.00 241.29 15.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 18 1 14.0 14.0 250.50 250.64 37.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 21 1 47.0 47.0 279.00 279.47 28.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 21 2 113.0 113.0 279.00 281.63 18.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 21 2 132.0 132.0 279.00 281.82 19.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD 81 552 21 3 29.0 29.0 279.00 282.29 3.0 CARBONATE BOMB (CaCO3 only) DSDP SHIPBOARD