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 104 644 B 011 Hydraulic (Advanced) Piston Core 03 035 035 VAC Vacutainer sampling GC2-50 0523790 66.67833 4.57667 0093.10 9344 9344 104 644 B 013 Hydraulic (Advanced) Piston Core 03 143 143 VAC Vacutainer sampling GC2-50 0837570 66.67833 4.57667 0107.21 10863 10863