Fracture-controlled fluid transport supports microbial methane-oxidizing communities at Vestnesa Ridge

• Published in: Biogeosciences
• Main Authors: Yao, Haoyi, Hong, Wei-Li, Panieri, Giuliana, Sauer, Simone, Torres, Marta E., Lehmann, Moritz F., Gründger, Friederike, Niemann, Helge
• Format: Article in Journal/Newspaper
• Language: English
• Published: European Geosciences Union (EGU) 2019
• Subjects: VDP::Technology: 500::Rock and petroleum disciplines: 510::Geological engineering: 513; VDP::Teknologi: 500::Berg‑ og petroleumsfag: 510::Geoteknikk: 513; Lunde; Svalbard; Arctic; Lomvi
• Online Access: https://hdl.handle.net/10037/15839; https://doi.org/10.5194/bg-16-2221-2019

We report a rare observation of a mini-fracture in near-surface sediments (30 cm below the seafloor) visualized using a rotational scanning X-ray of a core recovered from the Lomvi pockmark, Vestnesa Ridge, west of Svalbard (1200 m water depth). Porewater geochemistry and lipid biomarker signatures...