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2014•NERC Open Research Archive (Natural Environment Research Council)Open access

The Carboniferous carbon isotope record from sedimentary organic matter: can we disentangle the carbon cycle?

Sarah J. Davies, Carys E. Bennett, Melanie J. Leng, Timothy I. KEARSEY, John E. A. Marshall, D. Millward, Emma Reeves, Andrea M. Snelling, Janet Sherwin

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Abstract

A comprehensive analysis of the 13C composition of sedimentary organic matter from Euramerican \nCarboniferous successions indicates there are significant shifts in 13C through this key time interval. \nOur studies have revealed that, at an individual location, the source and delivery mechanism of the \nsediment contribute to the type of organic matter preserved and, in turn this influences the \nmeasured 13C values from bulk sedimentary organic matter of organic matter.

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A comprehensive analysis of the 13C composition of sedimentary organic matter from Euramerican \nCarboniferous successions indicates there are significant shifts in 13C through this key time interval. \nOur studies have revealed that, at an individual location, the source and delivery mechanism of the \nsediment contribute to the type of organic matter preserved and, in turn this influences the \nmeasured 13C values from bulk sedimentary organic matter of organic matter.

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Available abstract

A comprehensive analysis of the 13C composition of sedimentary organic matter from Euramerican \nCarboniferous successions indicates there are significant shifts in 13C through this key time interval. \nOur studies have revealed that, at an individual location, the source and delivery mechanism of the \nsediment contribute to the type of organic matter preserved and, in turn this influences the \nmeasured 13C values from bulk sedimentary organic matter of organic matter.

Key concepts: Organic matter, Sedimentary organic matter, Sedimentary rock, Carboniferous, Total organic carbon, Sediment, Geology, δ13C

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