Proc. IODP, 331, Site C0015

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Chapter contents Background and objectives Operations Arrival at Site C0015 Hole C0015A Hole C0015B Hole C0015C Lithostratigraphy Sediment types cored at Site C0015 Discussion and implications Biostratigraphy Petrology Geochemistry Interstitial water Headspace gas analysis Sediment carbon, nitrogen, and sulfur composition Microbiology Total prokaryotic cell counts Contamination tests Cultivation of iron-oxidizing bacteria Conclusions Physical properties Density and porosity Electrical resistivity (formation factor) Thermal conductivity MSCL-I and MSCL-C imaging MSCL-W derived electrical resistivity References Figures F1. Negative polarity sequences. F2. Bathymetric map. F3. Sedimentary logs. F4. Outcrop of volcanic debris flow. F5. Iron oxide sample. F6. Fe-Si oxyhydroxide. F7. High-resolution iron oxide sample. F8. Na, Na/Cl, K, Mg, and Ca. F9. Chloride, bromide, and sulfate. F10. Alkalinity, silicon, and phosphate. F11. Methane concentration. F12. CaCO₃. F13. TOC, TN, and TS. F14. Microbial cell counts. F15. Cultivation experiments. F16. Putative FeOB. F17. Energy dispersive spectrometry spectra. F18. Putative bifurcated iron oxide twisted stalks. F19. Density. F20. Porosity. F21. Formation factors. F22. Thermal conductivity. F23. Electrical resistivity. Tables T1. Coring summary. T2. Lithological subunits. T3. Micropaleontology samples. T4. Foraminifers. T5. XRD analyses. T6. Interstitial pore water. T7. Hydrocarbons. T8. H₂ and CH₄. T9. Carbon, nitrogen, and sulfur. T10. Direct cell counting. T11. Contamination tests with microspheres. T12. Contamination tests with PFC. T13. Putative iron oxidizers. T14. Porosity, density, thermal conductivity, and formation factors. PDF file			Previous \| Next doi:10.2204/iodp.proc.331.105.2011 References D’Hondt, S., Jørgensen, B.B., Miller, D.J., Batzke, A., Blake, R., Cragg, B.A., Cypionka, H., Dickens, G.R., Ferdelman, T., Hinrichs, K.-U., Holm, N.G., Mitterer, R., Spivack, A., Wang, G., Bekins, B., Engelen, B., Ford, K., Gettemy, G., Rutherford, S.D., Sass, H., Skilbeck, C.G., Aiello, I.W., Guerin, G., House, C.H., Inagaki, F., Meister, P., Naehr, T., Niitsuma, S., Parkes, R.J., Schippers, A., Smith, D.C., Teske, A., Wiegel, J., Naranjo Padillo, C., and Solis Acosta, J.L., 2004. Distributions of microbial activities in deep subseafloor sediments. Science, 306(5705):2216–2221. doi:10.1126/science.1101155 Expedition 331 Scientists, 2011a. Expedition 331 summary. In Takai, K., Mottl, M.J., Nielsen, S.H., and the Expedition 331 Scientists, Proc. IODP, 331: Tokyo (Integrated Ocean Drilling Program Management International, Inc.). doi:10.2204/iodp.proc.331.101.2011 Expedition 331 Scientists, 2011b. Methods. 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