leg site hole core coretype section top interval bottom interval sample code head or vacutainer volume parameter id las name oxygen nitrogen methane carbon monoxide carbon dioxide ethylene ethane hydrogen sulfied propylene propane isobutate normal butane isopentane normal pentane isohexane normal hexane methane/ethane methane/ethane plus comments latitude longitude depth top interval depth below sea floor bottom interval depth below sea floor 112 679 B 004 Hydraulic (Advanced) Piston Core 02 030 030 VAC Vacutainer sampling CAR-50 0000005 -11.06333 -78.27233 0027.00 2730 2730