# sill

> A tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the direction of foliation in metamorphic rock

**Wikidata**: [Q830230](https://www.wikidata.org/wiki/Q830230)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sill_(geology))  
**Source**: https://4ort.xyz/entity/sill


## References

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