# acidic rock

> type of igneous rock; rock that is either siliceous, having a high content of silica (SiO2), or rock with a low pH

**Wikidata**: [Q9337799](https://www.wikidata.org/wiki/Q9337799)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Acidic_rock)  
**Source**: https://4ort.xyz/entity/acidic-rock