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doi:10.2204/iodp.proc.302.104.2006

Microbiology

Sampling for microbiological analyses was conducted at fairly regular depth intervals from near surface (6.55 mbsf) to near basement (398.41 mbsf) with a notable gap between 169 and 241 mbsf. A total of 21 samples were preserved for enumeration of microorganisms to provide estimates of subsurface biomass. Nineteen samples were stored anaerobically for the purpose of shore-based cultivation studies. A subset of samples (18) was stored at –51°C for deoxyribonucleic acid extraction and subsequent microbial community characterization. Finally, 10 samples were stored at –51°C for lipid biomarker analysis. All microbiological samples and the depth of their recovery are listed in Table T46.