# core–mantle boundary

> discontinuity where the bottom of the planet's mantle meets the outer layer of the core

**Wikidata**: [Q1330051](https://www.wikidata.org/wiki/Q1330051)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Core–mantle_boundary)  
**Source**: https://4ort.xyz/entity/core-mantle-boundary


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)