# The outer-ring sediments of 15,000 to 7,730 BP are stream and wind deposits

> The dated deposits in the outer ring are torrential alluvium from ravines below the sandstone cliffs with wind-blown material, dated by eleven AMS…

Source: https://mysteriesdept.com/mysteries/eye-of-the-sahara/evidence/EVD0DCKV6A6X7FG/the-outer-ring-sediments-of-15-000-to-7-730-bp-are-stream  
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 outer-ring sediments of 15,000 to 7,730 BP are stream and wind deposits

The dated deposits in the outer ring are torrential alluvium from ravines below the sandstone cliffs with wind-blown material, dated by eleven AMS radiocarbon results to about 15,000 to 7,730 years BP.

Supported0

## What it bears on 2 answers

[Yes: around Plato's date of about 9600 BC, rivers filled the Richat's rings with water](https://mysteriesdept.com/mysteries/eye-of-the-sahara/answers/ANS0DCP9H3EWGDD/yes-around-platos-date-of-about-9600-bc-rivers-filled-the)

Still possible

AGAINST

[Yes: the Atlantic flooded this part of the Sahara about 12,000 years ago and the land has risen since](https://mysteriesdept.com/mysteries/eye-of-the-sahara/answers/ANS0DCKTX8RFB95/yes-the-atlantic-flooded-this-part-of-the-sahara-about-12)

Still possible

AGAINST

## Cite it

```
Mysteries Department. (2026). The outer-ring sediments of 15,000 to 7,730 BP are stream and wind deposits [Evidence EVD0DCKV6A6X7FG]. https://mysteriesdept.com/r/EVD0DCKV6A6X7FG
```

Key

**EVD** 0DCKV6A6X7FG

Kind

Evidence

Tier

Supported

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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