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doi:10.2204/iodp.proc.311.207.2009

Data report: elemental, Rock-Eval, and isotopic compositions of bulk sediments, IODP Expedition 311¹

Ji-Hoon Kim² and Young-Joo Lee²

Abstract

Several geochemical analyses were performed on samples to assess their geochemical characteristics and variations according to vertical depth and site location. Total carbon, total organic carbon (TOC), and total nitrogen (TN) content decreased from northeast to southwest along the transect of Integrated Ocean Drilling Program Expedition 311 Sites U1329, U1327, U1325, and U1326. Variations with depth showed differing trends with sites and compositions. Most organic matter was at an immature stage and Type III evolution based on Rock-Eval pyrolysis. However, results from TOC/TN, δ¹³C_org, and δ¹⁵N_org analyses showed that organic matter has an admixture of origin.

¹Kim, J.-H., and Lee, Y.-J., 2009. Data report: elemental, Rock-Eval, and isotopic compositions of bulk sediments, IODP Expedition 311. In Riedel, M., Collett, T.S., Malone, M.J., and the Expedition 311 Scientists, Proc. IODP, 311: Washington, DC (Integrated Ocean Drilling Program Management International, Inc.). doi:10.2204/iodp.proc.311.207.2009

²Petroleum and Marine Resources Research Division, Korean Institute of Geoscience and Mineral Resources, 30 Gajeong-dong, Yuseong-gu, Daejeon 305-350, Korea. Correspondence author: save@kigam.re.kr

Initial receipt: 25 June 2008
Acceptance: 27 October 2008
Publication: 8 May 2009
MS 311-207

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