(Table T1) Trace element concentration and isotopic composition of pore waters from ODP Leg 168 sites@en

Pore water was collected from each of 10 sites during Ocean Drilling Program (ODP) Leg 168 on the eastern flank of the Juan de Fuca Ridge. These ten sites delineate a transect perpendicular to the present ridge axis and span a crustal age of 0.86-3.59 Ma. At nine of the ten sites the entire sediment section, which ranged from 41.3 to 613.8 m thick, was cored and attempts were made to recover at least one whole round of sediment per section of core for extraction of pore water. Several (2-5) whole-round sediment samples were taken from the uppermost and lowermost cores to constrain the chemical gradient near the sediment/water and sediment/basalt interfaces, respectively. […]本研究在胡安·德·富卡海岭（Juan de Fuca Ridge）东侧侧翼的大洋钻探计划（Ocean Drilling Program, ODP）168航次期间，从10个站位采集了孔隙水样品。该10个站位构成一条垂直于现今海岭轴的断面，覆盖的地壳年龄跨度为0.86~3.59 Ma。在10个站位中的9个，研究人员对厚度介于41.3 m至613.8 m的完整沉积剖面完成取芯，并尝试从每个岩芯段中至少获取一份整轮沉积物样品，用于孔隙水提取。研究人员分别从最顶部与最底部的岩芯中采集2~5份整轮沉积物样品，以分别限定沉积物-水界面与沉积物-玄武岩界面附近的化学梯度。[…]