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Acidic rock
? TBD
type of igneous rock; rock that is either siliceous, having a high content of silica (SiO2), or rock with a low pH
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Acidic rock or acid rock refers to the chemical composition of igneous rocks that has 63% wt% SiO2 content. Rocks described as acidic usually contain more than 20% of free quartz. Typical acidic rocks are granite or rhyolite.

Subclass of
Igneous rock
Different from
felsic rock
Wikidata