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Lignin as an indicator of the sedimentation conditions on the Arctic shelf |
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| Authors: | A. S. Ulyantsev E. A. Romankevich V. I. Peresypkin N. A. Belyaev I. P. Semiletov S. Yu. Bratskaya A. A. Vetrov V. I. Sergienko |
| Abstract: | It is shown for the first time that the proportion of lignin in shelf deposits may range from 1/3 to the total concentration of organic carbon. The distribution of wood residues and lignin in the studied sedimentary formation is very uneven, which reflects the dynamic flux environment of sedimentation and OM supply. The calculated molecular indexes showed that most of the OM in deposits underwent insignificant diagenetic alterations. |
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