Sentences with phrase «silica rich material»
Being a silica rich material is important for reducing the amount of arsenic in the rice plant because the mechanism for uptake of arsenite, which is the most dominant form of arsenic in flooded rice paddies, shares a transport pathway with dissolved silicon.
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Based on the pressures required to form both materials, Kaneko believes the two mineral composites are housed in separate chambers under Fuji: one deep chamber 20 kilometres below the volcano, rich in basaltic magma, and a shallower chamber housing the silica 9 kilometres underground.
«All that silica - rich, lightweight, abrasive material implies lots of tooth abrasion,» says Hopkins, who presented her findings at the Geological Society of America's annual meeting in Minneapolis, Minnesota, last week.