# marl

> calcium carbonate or lime-rich mud or mudstone which contains variable amounts of clays and silt

**Wikidata**: [Q184053](https://www.wikidata.org/wiki/Q184053)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Marl)  
**Source**: https://4ort.xyz/entity/marl


## References

1. Integrated Authority File
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=26998)
3. Nuovo soggettario
4. Freebase Data Dumps. 2013
5. BabelNet
6. [Environment Ontology](https://raw.githubusercontent.com/INCATools/environments2wikidata/master/matches/curated-high-confidence-envo.tsv)
7. National Library of Israel
8. GF WordNet
9. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)