# Bass Formation

> lithostratigraphic unit

**Wikidata**: [Q4867917](https://www.wikidata.org/wiki/Q4867917)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bass_Formation)  
**Source**: https://4ort.xyz/entity/bass-formation


## References

1. [Source](https://3dparks.wr.usgs.gov/coloradoplateau/lexicon/bass.htm)
2. The Shinumo quadrangle, Grand Canyon district, Arizona
3. Unconformity at the Cardenas-Nankoweap contact (Precambrian), Grand Canyon Supergroup, northern Arizona
4. Stratigraphy of the Bass Formation