# Jean Baptiste Julien d'Omalius d'Halloy

> Jean Baptiste Julien d'Omalius d'Halloy was a Belgian statesman and geologist. He was the first to define the Cretaceous as a distinct geological period, in 1822. He produced the first geological map of France, the Benelux, the Rhineland and Switzerland, completed in 1813 and published in 1822. Halloysite, a clay mineral, was named in his honour. He also wrote on races.

*Belgian geologist (1783-1875)*

**Canonical URL:** https://fame.am/person/jean-baptiste-julien-d-omalius-d-halloy

## Identity
- **Profile type:** Politician
- **Category:** Politicians
- **Born:** 1783-02-16
- **Died:** 1875-01-15
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 43.4 / 100
- **Momentum:** 3.3 / 100  (trend: STABLE)
- **Historical depth:** 9.1 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 55.0 / 100
- **Profile completeness:** 60.0 / 100

## Sources
- [Jean-Baptiste d'Omalius d'Haloy](https://wa.wikipedia.org/wiki/Jean-Baptiste_d'Omalius_d'Haloy)
- [Jean Baptiste Julien d’Omalius d’Halloy](https://de.wikipedia.org/wiki/Jean_Baptiste_Julien_d%E2%80%99Omalius_d%E2%80%99Halloy)
- [Jean Baptiste Julien d'Omalius d'Halloy](https://en.wikipedia.org/wiki/Jean_Baptiste_Julien_d'Omalius_d'Halloy)
- [Jean d'Omalius d'Halloy](https://es.wikipedia.org/wiki/Jean_d'Omalius_d'Halloy)
- [Jean-Baptiste Julien d'Omalius d'Halloy](https://fr.wikipedia.org/wiki/Jean-Baptiste_Julien_d'Omalius_d'Halloy)
- [장 도말리우스 달로이](https://ko.wikipedia.org/wiki/%EC%9E%A5_%EB%8F%84%EB%A7%90%EB%A6%AC%EC%9A%B0%EC%8A%A4_%EB%8B%AC%EB%A1%9C%EC%9D%B4)
- [Jean d'Omalius d'Halloy](https://nl.wikipedia.org/wiki/Jean_d'Omalius_d'Halloy)
- [Омалиус д’Аллуа, Жан Батист Жюльен](https://ru.wikipedia.org/wiki/%D0%9E%D0%BC%D0%B0%D0%BB%D0%B8%D1%83%D1%81_%D0%B4%E2%80%99%D0%90%D0%BB%D0%BB%D1%83%D0%B0%2C_%D0%96%D0%B0%D0%BD_%D0%91%D0%B0%D1%82%D0%B8%D1%81%D1%82_%D0%96%D1%8E%D0%BB%D1%8C%D0%B5%D0%BD)
- [Jean Baptiste Julien d'Omalius d'Halloy](https://sv.wikipedia.org/wiki/Jean_Baptiste_Julien_d'Omalius_d'Halloy)
- [Жан Батист Жюльєн д'Омаліус д'Аллуа](https://uk.wikipedia.org/wiki/%D0%96%D0%B0%D0%BD_%D0%91%D0%B0%D1%82%D0%B8%D1%81%D1%82_%D0%96%D1%8E%D0%BB%D1%8C%D1%94%D0%BD_%D0%B4'%D0%9E%D0%BC%D0%B0%D0%BB%D1%96%D1%83%D1%81_%D0%B4'%D0%90%D0%BB%D0%BB%D1%83%D0%B0)
- [Wikidata](https://www.wikidata.org/wiki/Q1323652)

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