# caprock

> More resistant (or impervious) rock type overlying a less resistant (or more permeable) rock type

**Wikidata**: [Q3440812](https://www.wikidata.org/wiki/Q3440812)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Caprock)  
**Source**: https://4ort.xyz/entity/caprock


## References

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