# Independent and blind tests did not reproduce the markers at the boundary, and found them at other levels.

> Independent and blind tests did not reproduce the markers at the boundary, and found them at other levels.

Source: https://mysteriesdept.com/mysteries/younger-dryas-impact/evidence/EVD0D51XARP3WTK/independent-and-blind-tests-did-not-reproduce-the-markers-at  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Younger Dryas impact hypothesis](https://mysteriesdept.com/mysteries/younger-dryas-impact)Evidence

Evidence · Younger Dryas impact hypothesis

# Independent and blind tests did not reproduce the markers at the boundary, and found them at other levels.

Independent and blind tests did not reproduce the markers at the boundary, and found them at other levels.

Supported0

## What it bears on 1 answer

[Airbursts and impacts from a large fragmenting comet deposited a synchronous boundary layer with impact…](https://mysteriesdept.com/mysteries/younger-dryas-impact/answers/ANS0D51XA183EE5/airbursts-and-impacts-from-a-large-fragmenting-comet)

Disputed

AGAINST

## Cite it

```
Mysteries Department. (2026). Independent and blind tests did not reproduce the markers at the boundary, and found them at other levels. [Evidence EVD0D51XARP3WTK]. https://mysteriesdept.com/r/EVD0D51XARP3WTK
```

Key

**EVD** 0D51XARP3WTK

Kind

Evidence

Tier

Supported

Version

1

Added by

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

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/EVD0D51XARP3WTK)