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 32 307 1 3 71.0 71.0 0.00 3.71 1.1 CARBONATE BOMB (CaCO3 only) DR. BERND R. SIMONEIT 32 307 9 1 148.0 148.0 232.50 233.98 3.2 0.0 26.0 LECO ACID-BASE ANALYZER (total and/or organic) DSDP SHORE LABORATORY