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Early diagenesis of deep-sea sediments
Hesse, R.; Schacht, U. (2011). Early diagenesis of deep-sea sediments, in: Hüneke, H. et al. (Ed.) Deep-sea sediments. Developments in Sedimentology, 63: pp. 557-713. hdl.handle.net/10.1016/B978-0-444-53000-4.00009-3
In: Hüneke, H.; Mulder, T. (Ed.) (2011). Deep-sea sediments. Developments in Sedimentology, 63. Elsevier: Amsterdam. ISBN 978-0-444-53000-4. xiv, 849 pp., more
In: Developments in Sedimentology. Elsevier: New York; London; Amsterdam. ISSN 0070-4571, more
Peer reviewed article  

Available in Authors 

Keywords
    Diagenesis; Sediments; Marine

Authors  Top 
  • Hesse, R.
  • Schacht, U.

Abstract
    This review covers the early diagenesis of the various types of deep-sea sediments. It uses pore-water profiles as a sensitive tool to gain insight in diagenetic processes, to depict the mineral reactions associated with the changes in the pore-water chemistry and to group deep-sea sediments into a limited number of diagenetic classes. In doing so, a sequence is followed from the simplest diagenetic systems encountered in pelagic sediments on the ocean crust with pore-water profiles lacking chemical gradients to the most highly reactive organic-matter rich sediments on the continental margins at the oxygen-minimum zone. Pore-water profiles are characteristic of specific sediment types only if they are reaction-controlled. In advection- and/or diffusion-dominated profiles, fluid-chemistry related to the nature of the host sediment is overprinted by ions derived from external sources. Advection and diffusion-dominated profiles are treated at the beginning of the chapter.

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