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The Planet Chronicles by Diatoms

... “diatomaceous” rocks form, some of which consist almost completely of diatom frustules, especially where calcium promoting dissolution of silica is in deficiency. Ancient sea diatomites, diatomaceous shales, and silts are known in many world regions, reaching several ... ... is, the northern Pacific was a gigantic sea gulf. The strait formation that resulted in establishing connection between the Arctic and Pacific basins had significantly influenced the climate and the development of communities in the Northern Hemisphere....

Modified: 30.08.2006
diatoms , silica , nature , Arctic , climate , tsunami
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