# Shinumo Quartzite

> Mesoproterozoic rock formation in the Grand Canyon, Arizona

**Wikidata**: [Q7497806](https://www.wikidata.org/wiki/Q7497806)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Shinumo_Quartzite)  
**Source**: https://4ort.xyz/entity/shinumo-quartzite