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Mineralogical control on the fate of continentally derived organic matter in the ocean
Blattmann, T.M.; Liu, Z.; Zhang, Y.; Zhao, Y.; Haghipour, N.; Montluçon, D.B.; Plötze, M.; Eglinton, T.I. (2019). Mineralogical control on the fate of continentally derived organic matter in the ocean. Science (Wash.) 366(6466): 742-745. https://dx.doi.org/10.1126/science.aax5345
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075; e-ISSN 1095-9203, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Auteurs  Top 
  • Blattmann, T.M.
  • Liu, Z.
  • Zhang, Y.
  • Zhao, Y.
  • Haghipour, N.
  • Montluçon, D.B.
  • Plötze, M.
  • Eglinton, T.I.
Abstract
    First-order relationships between organic matter content and mineral surface area have been widely reported and are implicated in stabilization and long-term preservation of organic matter. However, the nature and stability of organomineral interactions and their connection with mineralogical composition have remained uncertain. In this study, we find that continentally derived organic matter of pedogenic origin is stripped from smectite mineral surfaces upon discharge, dispersal, and sedimentation in distal ocean settings. In contrast, organic matter sourced from ancient rocks that is tightly associated with mica and chlorite endures in the marine realm. These results imply that the persistence of continentally derived organic matter in ocean sediments is controlled to a first order by phyllosilicate mineralogy.
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