Results of petrographic, chemical and X-ray studies of zeolites in sediments in the Transpacific lithological profile from the coast of Japan to the coast of Mexico are reported. For ocean phillipsite
Fossil ferromanganese crusts, nodules and pavements are contained in stratigraphically condensed pelagic limestones from the Middle Jurassic of western Sicily; and a similar association of iron-mangan
Results of experimental studies of ion exchange properties of manganese and iron minerals in micronodules from diverse bioproductive zones of the World Ocean were considered. It was found that sorptio