Here's why:

* Peat soil is formed from partially decayed plant matter in waterlogged conditions, typically in bogs and swamps.

* Mountain soil is formed from weathered rock and organic matter, influenced by factors like altitude, climate, and the type of rock present.

While some mountain areas might have peat bogs, the majority of mountain soils are not peat.

Here are some terms used to describe mountain soils:

* Andisols: Soils formed from volcanic ash, often found in mountainous regions.

* Inceptisols: Young soils with minimal development, common in high-altitude environments.

* Spodosols: Soils characterized by a layer of organic matter accumulation, sometimes found in mountain forests.

It's important to remember that the soil type in a mountain region will vary greatly depending on its specific location, climate, and other factors.