# The 40Ar/39Ar analyses of the gabbros gave no robust age

> The authors state that no robust age was obtained from the gabbro plagioclase; the 230 to 200 Ma bracket comes from modelling the disturbed results.

Source: https://mysteriesdept.com/mysteries/eye-of-the-sahara/evidence/EVD0DCKSHRYV5N1/the-40ar-39ar-analyses-of-the-gabbros-gave-no-robust-age  
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 40Ar/39Ar analyses of the gabbros gave no robust age

The authors state that no robust age was obtained from the gabbro plagioclase; the 230 to 200 Ma bracket comes from modelling the disturbed results.

Supported0

## What it bears on 1 answer

[The gabbro rings are Central Atlantic Magmatic Province sills of 230 to 200 Ma, domed about 100 million years later](https://mysteriesdept.com/mysteries/eye-of-the-sahara/answers/ANS0DCKS8FZBTJG/the-gabbro-rings-are-central-atlantic-magmatic-province)

Still possible

AGAINST

## Cite it

```
Mysteries Department. (2026). The 40Ar/39Ar analyses of the gabbros gave no robust age [Evidence EVD0DCKSHRYV5N1]. https://mysteriesdept.com/r/EVD0DCKSHRYV5N1
```

Key

**EVD** 0DCKSHRYV5N1

Kind

Evidence

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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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