Laura Wehrmann (Microbiologist, Max Planck Institute for Marine Microbiology, Germany), assisted by Yulia Vasilyeva (Marine Technician: chemistry, IODP-USIO/TAMU), Minoru Ikehara (Organic Geochemist, Kochi University, Japan), and Eric Jackson (Marine Technician: X-ray/microbiology, IODP-USIO/TAMU), extracts sediment plugs using syringes through holes drilled in the core liner immediately after core retrieval for analyses of methane concentration in the recovered sediments. (Credit William Crawford, IODP/TAMU) [Photo ID: exp323_203] Back to expedition photos.