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Mineralogy of marine sediment systems: A geochemical framework

Lookup NU author(s): Professor Andrew Aplin


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Sediments are a major component of the ocean system and the composition of, and chemical processes acting upon, these sediments are controlled by many factors. In this chapter we outline the major types of marine sediment (lithogenous, biogenic, hydrogeneous and authigenic), discuss the sources of these and their chemical and mineral characteristics. The most abundant minerals are (oxyhydr)oxides, clay minerals, sulfides and carbonates, and all of these have been studied extensively, using a range of mineralogical techniques. A major aim of this chapter is to provide a framework by which the mineral transformations that take place upon, or just below, the sea-floor can be understood. There are significant thermodynamic, kinetic and biological controls on these transformations, and the interaction of these plays a major role in element cycling between the oceans and the lithosphere, and trace element-enrichment on the sea-floor and carbon burial and remineralization. Further, we conclude that more research is required on the interactions between minerals and bacteria within marine sediments, and on the role of amorphous oxide minerals delivered from land in early burial reactions and mineral precipitations. © 2013 the European Mineralogical Union and the Mineralogical Society of Great Britain&Ireland.

Publication metadata

Author(s): Aplin AC, Taylor KG

Publication type: Article

Publication status: Published

Journal: European Mineralogical Union Notes in Mineralogy

Year: 2013

Volume: 13

Issue: 2013

Pages: 123-176

Online publication date: 01/01/2012

ISSN (print): 1417-2917

Publisher: Universitat Jena - Mineralogie


DOI: 10.1180/EMU-notes.13.4


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