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 28 271 1 1 130.0 130.0 21.00 22.30 0.4 0.3 1.3 LECO 70-SECOND ANALYZER (total and/or organic) DSDP SHORE LABORATORY 28 271 2 1 110.0 110.0 40.00 41.10 0.3 0.2 0.8 LECO 70-SECOND ANALYZER (total and/or organic) DSDP SHORE LABORATORY 28 271 3 1 143.0 143.0 49.50 50.93 0.3 0.3 0.2 LECO 70-SECOND ANALYZER (total and/or organic) DSDP SHORE LABORATORY 28 271 3 2 143.0 143.0 49.50 52.43 0.4 0.4 0.4 LECO 70-SECOND ANALYZER (total and/or organic) DSDP SHORE LABORATORY 28 271 4 1 142.0 142.0 59.00 60.42 0.3 0.2 0.7 LECO 70-SECOND ANALYZER (total and/or organic) DSDP SHORE LABORATORY 28 271 5 3 115.0 115.0 68.50 72.65 0.4 0.3 0.9 LECO 70-SECOND ANALYZER (total and/or organic) DSDP SHORE LABORATORY 28 271 19 1 53.0 53.0 204.00 204.53 0.5 0.3 1.7 LECO 70-SECOND ANALYZER (total and/or organic) DSDP SHORE LABORATORY 28 271 24 2 127.0 127.0 255.50 258.27 0.2 0.4 0.0 LECO 70-SECOND ANALYZER (total and/or organic) DSDP SHORE LABORATORY