# rock cycle

> time-consuming transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous

**Wikidata**: [Q1164398](https://www.wikidata.org/wiki/Q1164398)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Rock_cycle)  
**Source**: https://4ort.xyz/entity/rock-cycle


## References

1. Freebase Data Dumps. 2013