Geochemical characterization of two distinctive systems with evidence of chemosynthetic activity, explored at the SE Pacific margin off Chile (46 degrees S and 33 degrees S)

• Published in: Progress in Oceanography
• Main Authors: Munoz, Praxedes, Cardenas, Lissette j., Garbe-schoenberg, Dieter, Sellanes, Javier, DEZILEAU, Laurent, Melville, Ives, Mendes, Stephanie d.
• Other Authors: Universidad Católica del Norte, Coquimbo, Christian-Albrechts-Universität zu Kiel (CAU), Géosciences Montpellier, Institut national des sciences de l'Univers (INSU - CNRS)-Université de Montpellier (UM)-Université des Antilles (UA)-Centre National de la Recherche Scientifique (CNRS), Department of Earth Science Santa Barbara), University of California Santa Barbara (UCSB), University of California-University of California
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2016
• Subjects: [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry; Pacific; Krylova; Methane hydrate
• Online Access: https://hal.archives-ouvertes.fr/hal-01412700; https://doi.org/10.1016/j.pocean.2016.09.002

International audience This study presents the geochemical composition of superficial sediment under oxic and suboxic bottom water conditions along the Chilean continental margin (SE Pacific), where evidence for benthic chemosynthetic activity associated with diffuse seeping of chemically reduced fl...