21. Silicic lava domes are also found.22. The biogenic silica composing the cell wall is synthesised intracellularly by the polymerisation of silicic acid monomers. 23. Throughout its complex eruptive history, volcanism shifted from silicic explosive eruptions to voluminous, mafic activity. 24. Silicic magma also exhibits this transition between effusive and explosive eruptions, but the fragmentation mechanism differs.25. Torfaj�kull last erupted in 1477 and consists of the largest area of silicic extrusive rocks in Iceland. 26. Gold is associated with silicic , kaolinitic, and pyritic alteration of greenschist-grade felsic metavolcanics. 27. X-ray microanalysis demonstrated that the numerous scales coating the cell body surface were silicic structures. 28. She also has interests in intermediate composition and silicic volcanoes, particularly at Mount St . Helens. 29. The magma of Ashi volcano formed by the mixing of trachyandesitic magma with a more silicic component. 30. The researchers found that the mirrors slowly broke down into harmless silicic acid in simulated human blood plasma.
