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Updated: Feb 4, 2026

Preparation of Authigenic Pyrite from Methane-bearing Sediments for In Situ Sulfur Isotope Analysis Using SIMS
Published on: August 31, 2017
What are the current analytical approaches for sediment analysis related to the study of diagenesis? Highlights from
O V Kuznetsova1, V S Sevastyanov1, A R Timerbaev1
1Vernadsky Institute of Geochemistry and Analytical Chemistry, Kosygin St. 19, 119991 Moscow, Russian Federation.
Abstract:
This review is aimed at critical analysis of current and emerging capabilities of analytical methods as employed for sediment analysis. An emphasis is given to the most reliable experimental strategies used to acquiring analytical information that is relevant to study the diagenetic processes affecting the composition of sediments. Advanced analytical methodology in use basically rely on the application of mass spectrometry (or a few alternative techniques) to determine various inorganic elements, to measure their isotopic composition, to characterize organic matter, or to identify and quantify its principle components (biomarkers). Also brought into focus are sample preparation techniques which - given the complexity of sediment matrices and the diverse and multiple nature of analytes under scrutiny - are often a key for successful analysis.
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