Bulk sediment thorium concentrations from IODP Expedition 329 to the South Pacific Gyre

The Integrated Ocean Drilling Program (IODP) Expedition 329 to the South Pacific Gyre on board the D/V Joides Resolution (Chief scientists Steven D’Hondt and Fumio Inagaki) took place in Fall 2010 and had as one of its major objectives to document the habitats, metabolic activities, genetic composition, and biomass of microbial communities in subseafloor sediment with very low total activity. To meet this objective the entire sediment column at seven sites (U1365 through U1371) were cored along two transects in the region of the South Pacific Gyre. We present here thorium concentration measurements in bulk sediment samples from IODP Expedition 329. Samples were collected during the expedition by Prof. Richard W. Murray (Boston University) and sample preparation and analysis was performed by Dr. Ann G. Dunlea in the Analytical Geochemistry Facilities at Boston University.综合大洋钻探计划（Integrated Ocean Drilling Program, IODP）第329航次搭乘“乔迪斯·决心号”（D/V Joides Resolution）科考船赴南太平洋环流（South Pacific Gyre）开展科考作业，首席科学家为Steven D’Hondt与Fumio Inagaki，航次实施于2010年秋季。本航次核心目标之一为探明总活性极低的海底以下沉积物（subseafloor sediment）中微生物群落的栖息环境、代谢活动、遗传组成与生物量。为达成该目标，研究团队在南太平洋环流区域的两条测线（transects）上，对7个站位（U1365至U1371）的完整沉积物柱（sediment column）开展了取芯作业。 本数据集收录了综合大洋钻探计划329航次获取的全岩沉积物样品（bulk sediment samples）的钍浓度测量（thorium concentration measurements）数据。本次沉积物样品由波士顿大学的Richard W. Murray教授在航次期间采集，样品制备与分析工作由波士顿大学分析地球化学设施（Analytical Geochemistry Facilities）的Ann G. Dunlea博士完成。