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Twenty Years of XRF Core Scanning Marine Sediments: What Do Geochemical Proxies Tell Us?

  • R. Guy RothwellEmail author
  • Ian w. Croudace
Chapter
Part of the Developments in Paleoenvironmental Research book series (DPER, volume 17)

Abstract

XRF core scanners, with their rapid and non-destructive analytical capability, have now been used for two decades in the analysis of marine sediments. Initially they were used to record variations in fundamental parameters such as calcium carbonate stratigraphy and terrigenous sediment delivery, using major element integrals, such as Ca and Fe, to provide detailed insights into oceanographic and climatic processes. In recent years, proxy selection has progressed to routine normalisation and presentation as log-ratios to include 60 elements or ratios to document a wide range of environmental and process changes. We review the development and application of XRF core scanning of marine sediments and discuss the basis of particular proxies, their uses and limitations to assist users in their selection. To date, there has been no systematic overview of elemental proxies and their application in the analysis of marine sediment records.

Keywords

XRF core scanning AVAATECH core scanner ITRAX core scanner X-ray fluorescence Geochemical proxies Environmental analysis Marine sediments 

Notes

Acknowledgements

We are very grateful to Mike Rogerson and James Hunt for their comments in review which helped improve the paper. We thank Michael Haschke, Steffen Wolters, Thomas Richter, Cletus Itambi, Alan Seaman, Springer, The Geological Society of London, John Wiley and Sons, and Taylor & Francis for permission to reproduce previously published figures. John Smol is thanked for his editorial handling of this paper. We also thank Kate Davis for help in drafting figures.

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© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  1. 1.National Oceanography CentreSouthamptonUK
  2. 2.Ocean and Earth ScienceNational Oceanography Centre, University of Southampton, Waterfront CampusSouthamptonUK

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