# No crater dates to the onset; the Hiawatha structure is about 58 million years old.

> No crater dates to the onset; the Hiawatha structure is about 58 million years old.

Source: https://mysteriesdept.com/mysteries/younger-dryas-impact/evidence/EVD0D51XB8A7G9W/no-crater-dates-to-the-onset-the-hiawatha-structure-is-about  
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

# No crater dates to the onset; the Hiawatha structure is about 58 million years old.

No crater dates to the onset; the Hiawatha structure is about 58 million years old.

Established0

## 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). No crater dates to the onset; the Hiawatha structure is about 58 million years old. [Evidence EVD0D51XB8A7G9W]. https://mysteriesdept.com/r/EVD0D51XB8A7G9W
```

Key

**EVD** 0D51XB8A7G9W

Kind

Evidence

Tier

Established

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/EVD0D51XB8A7G9W)