silicified


Also found in: Wikipedia.
Related to silicified: silicified wood

si·lic·i·fy

 (sĭ-lĭs′ə-fī′)
v. si·lic·i·fied, si·lic·i·fy·ing, si·lic·i·fies
v.tr.
To convert into or impregnate with silica.
v.intr.
To become converted into or impregnated with silica.

si·lic′i·fi·ca′tion (-fĭ-kā′shən) n.
References in classic literature ?
Valparaiso -- Portillo Pass -- Sagacity of Mules -- Mountain- torrents -- Mines, how discovered -- Proofs of the gradual Elevation of the Cordillera -- Effect of Snow on Rocks -- Geological Structure of the two main Ranges, their distinct Origin and Upheaval -- Great Subsidence -- Red Snow -- Winds -- Pinnacles of Snow -- Dry and clear Atmosphere -- Electricity -- Pampas -- Zoology of the opposite Side of the Andes -- Locusts -- Great Bugs -- Mendoza -- Uspallata Pass -- Silicified Trees buried as they grew -- Incas Bridge -- Badness of the Passes exaggerated -- Cumbre -- Casuchas -- Valparaiso.
Mineralisation at Alejandra is hosted within strongly-brecciated volcanics containing quartz veins, silicified zones, and both tectonic and hydrothermal breccias.
5 Ga) rocks are completely dolomitized and partly silicified but have not undergone major metamorphism.
During that time, increases in the content of organic carbon, diatoms (algae with silicified skeletons) and cold-water planktonic fossils mark a progressive intensification of the trade-wind-driven upwelling of nutrient-rich colder waters in the region.