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 62 466 29 1 72.0 72.0 255.00 255.72 10.0 7.5 20.9 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 62 466 30 1 12.0 12.0 264.50 264.62 11.4 0.7 88.9 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 62 466 34 1 48.0 48.0 293.00 293.48 10.3 1.0 77.2 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY 62 466 35 1 25.0 25.0 302.50 302.75 10.4 2.6 65.2 LECO WR-12 ANALYZER (total and/or organic) DSDP SHORE LABORATORY