Adjective
Pertaining to, derived from, or resembling, silica; specifically, designating compounds of silicon; as, silicic acid.
Source: Webster's dictionaryA silicic or rhyolitic caldera may erupt hundreds or even thousands of cubic kilometers of material in a single event. Source: Internet
Localities and occurrence Topaz is commonly associated with silicic igneous rocks of the granite and rhyolite type. Source: Internet
If these minerals crystallized from the same silicic melt, each mineral had the same initial 87 Sr/ 86 Sr as the parent melt. Source: Internet
It is considered archaic now, as the terms "acidic" and "basic rock" were based on an incorrect idea, dating from the 19th century, that silicic acid was the chief form of silicon occurring in rocks. Source: Internet
The group of algae known as the diatoms synthesize their cell walls (also known as frustules or valves) from silicic acid (specifically orthosilicic acid, H 4 SiO 4 ). Source: Internet
The soluble dissociated silicic acid reacts in the porewater with the calcium hydroxide ( portlandite ) present in the cement paste to form an expansive calcium silicate hydrate (CSH). Source: Internet