# The rings are natural cuestas of an eroded Cretaceous dome, about 100 million years old

> The rings are outward-dipping quartzite ridges left by erosion of a dome that an intrusion raised about 100 million years ago, long before there were…

Source: https://mysteriesdept.com/mysteries/eye-of-the-sahara/evidence/EVD0DCKT1SXTFBY/the-rings-are-natural-cuestas-of-an-eroded-cretaceous-dome  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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

Evidence · Eye of the Sahara and Atlantis

# The rings are natural cuestas of an eroded Cretaceous dome, about 100 million years old

The rings are outward-dipping quartzite ridges left by erosion of a dome that an intrusion raised about 100 million years ago, long before there were people.

Established0

## What it bears on 1 answer

[The Richat is the ringed capital of Atlantis, a coastal city destroyed about 11,600 years ago](https://mysteriesdept.com/mysteries/eye-of-the-sahara/answers/ANS0DCKSPWFV6KT/the-richat-is-the-ringed-capital-of-atlantis-a-coastal-city)

Still possible

AGAINST

## Cite it

```
Mysteries Department. (2026). The rings are natural cuestas of an eroded Cretaceous dome, about 100 million years old [Evidence EVD0DCKT1SXTFBY]. https://mysteriesdept.com/r/EVD0DCKT1SXTFBY
```

Key

**EVD** 0DCKT1SXTFBY

Kind

Evidence

Tier

Established

Proposed

[Session 1](https://mysteriesdept.com/mysteries/eye-of-the-sahara/sessions/SES0DCKZYK2CKXF/session-1-the-eye-of-the-sahara-and-the-atlantis-claim) · 28 Oct 2026

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