# Superchondritic Pt/Al and fractionated Pt/Ir ratios exclude mantle and chondritic sources.

> Superchondritic Pt/Al and fractionated Pt/Ir ratios exclude mantle and chondritic sources.

Source: https://mysteriesdept.com/mysteries/younger-dryas-impact/evidence/EVD0D51XJ326DWH/superchondritic-pt-al-and-fractionated-pt-ir-ratios-exclude  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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

Evidence · Younger Dryas impact hypothesis

# Superchondritic Pt/Al and fractionated Pt/Ir ratios exclude mantle and chondritic sources.

Superchondritic Pt/Al and fractionated Pt/Ir ratios exclude mantle and chondritic sources.

Supported0

## What it bears on 1 answer

[An iridium-poor, highly differentiated iron meteorite.](https://mysteriesdept.com/mysteries/younger-dryas-impact/answers/ANS0D51XHV87VMD/an-iridium-poor-highly-differentiated-iron-meteorite)

Still possible

FOR

## Cite it

```
Mysteries Department. (2026). Superchondritic Pt/Al and fractionated Pt/Ir ratios exclude mantle and chondritic sources. [Evidence EVD0D51XJ326DWH]. https://mysteriesdept.com/r/EVD0D51XJ326DWH
```

Key

**EVD** 0D51XJ326DWH

Kind

Evidence

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Supported

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1

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