Distribution and migration of dissolved silica in oceans

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Abstract
It is shown, among other things, that accessions of silica to the surface of oceanic aquatoria, positions of the zones of a particular abundance of phytoplankton where silica is accumulated by the organisms and is converted eventually into its suspended forms, and of the zones of enrichment of silica in oceanic sediments, are determined by hydrodynamic variables and not by positions of the original sources of silica in the hydrosphere, that enrichment of silica in oceanic sediments is the result of biological processes, and that chemogenic precipitation of solid amorphous silica is virtually impossible. -- IGR Staff.