site lat lon depth_w sed_thickness basement_age date_coring cruise_id platform core core_section depth_mbsf leucine_incorp leu_sd thymidine_incorp thy_sd 12 29.6767 -58.3283 5367 98 90 2014-11-21 KN223 RV_Knorr LC1 3 2.71 0.046 0.001 0.001 0.001 12 29.6767 -58.3283 5367 98 90 2014-11-21 KN223 RV_Knorr LC1 5 5.12 0.001 0.001 0.000 0.000