Reconstruction of the biogeochemistry and ecology of photoautotrophs based on the nitrogen and carbon isotopic compositions of vanadyl porphyrins from Miocene siliceous sediments

We determined both the nitrogen and carbon isotopic compositions of various vanadyl alkylporphyrins isolated from siliceous marine sediments of the Onnagawa Formation (middle Miocene, northeastern Japan) to investigate the biogeochemistry and ecology of photoautotrophs living in the paleo-ocean. The...

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Bibliographic Details
Main Authors: Y. Kashiyama, N. O. Ogawa, M. Shiro, R. Tada, H. Kitazato, N. Ohkouchi
Format: Article
Language:English
Published: Copernicus Publications 2008-05-01
Series:Biogeosciences
Online Access:http://www.biogeosciences.net/5/797/2008/bg-5-797-2008.pdf