Is it ok to eat glacier silt?
Quick Answer
No
Eating glacier silt is not recommended. While it’s not toxic, it’s essentially fine rock particles and doesn’t provide any nutritional value. It can also contain harmful bacteria or pollutants.

What Is It?
Glacier silt, also known as rock flour, is a fine sediment produced by the grinding of bedrock by glacier erosion. It is composed of tiny particles of rock and clay.
Why It Can Be Risky
There are several risks associated with consuming glacier silt:
- It can contain harmful bacteria or pollutants that have been trapped in the glacier for many years.
- It’s essentially fine rock particles and doesn’t provide any nutritional value.
- Ingesting large amounts could potentially harm your digestive system.