# pyroclastic rock

> rocks composed solely or primarily of fragments derived from explosive volcanic activity

**Wikidata**: [Q512121](https://www.wikidata.org/wiki/Q512121)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pyroclastic_rock)  
**Source**: https://4ort.xyz/entity/pyroclastic-rock


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)