# QAPF diagram

> classification system for igneous rocks

**Wikidata**: [Q1247570](https://www.wikidata.org/wiki/Q1247570)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/QAPF_diagram)  
**Source**: https://4ort.xyz/entity/qapf-diagram


## References

1. [Source](https://link.springer.com/article/10.1007/BF01820841)