Comparative geochemistry of Mn nodules and micoodules from of the Gulf of Mex...

Ferromanganese microconcretions (FMC) were hand picked from four sieved size fractions (100, 200, 325 and 400 mesh) of sediment samples from four depths in a one meter gravity...

铁锰微结核（Ferromanganese microconcretions）从取自某1米重力沉积物柱四个深度的沉积物样品的四个筛分粒度级分（100目、200目、325目及400目）中手工挑选得到。