☆ 4.5 Article

Rapid identification of dolomite using a Fourier Transform Infrared Spectrophotometer (FTIR): A fast method for identifying Heinrich events in IODP Site U1308

MARINE GEOLOGY (2009)

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Journal

MARINE GEOLOGY
Volume 258, Issue 1-4, Pages 60-68

Publisher

ELSEVIER
DOI: 10.1016/j.margeo.2008.11.007

Keywords

dolomite; IODP Site U1308; Heinrich layer; Fourier Transform Infrared; Spectrophotometry (FTIR)

Categories

Geosciences, Multidisciplinary Oceanography

Funding

  1. National Natural Science Foundation of China [40625012]
  2. national Basic Research Program of China [2004CB720204]
  3. Joint Oceanographic Institutions/United States Science Support Program

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This study demonstrates that Fourier Transform Infrared Spectrophotometry (FTIR) provides a quick and relatively inexpensive method for identifying and quantifying dolomite in deep marine sediments. FTIR is used to determine concentrations of dolomite in the top 29 m of sediments recovered at IODP Site U1308. Some of these dolomite peaks can be reliably correlated with Heinrich Events H1 through H6, thus FTIR appears to provide a fast and reliable method for identifying Heinrich Events in deep-sea sediments. (C) 2008 Elsevier B.V. All rights reserved.

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