Century Dictionary and Cyclopedia
- n. Conversion into silica.
- n. In geology, the replacement of a rock or of the remains of an organism with silica, as in petrified or silicified wood, or silicified limestone.
GNU Webster's 1913
- n. (Chem.) Thae act or process of combining or impregnating with silicon or silica; the state of being so combined or impregnated.
“Extensive alterations of the country rock in the way of silicification and sericitization, and the presence of minerals like garnet, tourmaline, diopside, and others, known to be commonly deposited by the same hot solutions which make many ore deposits, may furnish a clue for exploration below.”
“The chemistry of the process of petrifaction or silicification," writes”
“Previous drilling and a 2004 Gradient Array Resistivity geophysical survey indicate potential for identifying economic quantities of high-grade gold and silver mineralization in the Capgold epithermal system, as most of the gold and silver identified at Capgold to date has been found within large zones of silicification which are receptive to identification by resistivity measurement surveys.”
“Smaller zones of silicification are associated with the margins of both breccia bodies.”
“Mineralisation in the Tulkubash Zone is hosted in silicified quartzites and mineralised zones exhibiting pervasive silicification and some argillic alteration, together with elevated contents of sulphides at depth of up to 5%-10% of volume.”
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