# Asrat 2022: Richat Structure, a Cretaceous Alkaline Complex

> Asfawossen Asrat, Michel Jébrak, 2022. 5 records on Mysteries Department cite it. Cited for the IUGS geological heritage listing and its summary of the…

Source: https://mysteriesdept.com/sources/SRC0DCKM9PFDCMS/richat-structure-a-cretaceous-alkaline-complex  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Eye of the Sahara and Atlantis](https://mysteriesdept.com/mysteries/eye-of-the-sahara)Asrat 2022

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# Richat Structure, a Cretaceous Alkaline Complex

Asfawossen Asrat, Michel Jébrak, 2022. _IUGS International Commission on Geoheritage_.

The IUGS geological heritage site entry: a slightly elliptical depression about 40 km across in the north-west of the Taoudeni basin on the Adrar plateaus, a magmatic concentric alkaline complex whose impact origin has been disproved.

**Eye of the Sahara and AtlantisTertiary source** Web pageChecked against the original0

## What it's used for here

Cited for the IUGS geological heritage listing and its summary of the structure's setting, size and origin.

## Cited by on this site 5 records

[Carbonatite dated 99 ± 5 Ma and breccia feldspar 98.2 ± 2.6 Ma tie the hydrothermal breccia to Cretaceous magmatism](https://mysteriesdept.com/mysteries/eye-of-the-sahara/evidence/EVD0DCKS0C49HJ3/carbonatite-dated-99-5-ma-and-breccia-feldspar-98-2-2-6-ma)

Evidence

EVD

[The IUGS lists the Richat as a geological heritage site](https://mysteriesdept.com/mysteries/eye-of-the-sahara/events/EVT0DCKR5ZSKH2N/the-iugs-lists-the-richat-as-a-geological-heritage-site)

EVT

[Michel Jébrak](https://mysteriesdept.com/mysteries/eye-of-the-sahara/people/FIG0DCKQJAGHTET/michel-jebrak)

FIG

[The Eye of the Sahara and Atlantis](https://mysteriesdept.com/mysteries/eye-of-the-sahara)

The mystery article

MYS

[Richat Structure](https://mysteriesdept.com/mysteries/eye-of-the-sahara/places/PLC0DCKQ46BYTNY/richat-structure)

PLC

## Cite it

```
Asrat, A., & Jébrak, M. (2022). Richat Structure, a Cretaceous Alkaline Complex. IUGS International Commission on Geoheritage. https://iugs-geoheritage.org/geoheritage_sites/richat-structure-a-cretaceous-alkaline-complex/
```

[Read it free at iugs-geoheritage.org](https://iugs-geoheritage.org/geoheritage_sites/richat-structure-a-cretaceous-alkaline-complex/)

Key

**SRC** 0DCKM9PFDCMS

Kind

Web page

Rights

The publisher's

Kept

29 Oct 2026, for editors

Checked

Against the published original

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS.

[CSL-JSON](https://mysteriesdept.com/sources/SRC0DCKM9PFDCMS/richat-structure-a-cretaceous-alkaline-complex/csl.json)