Here's a breakdown:

* Glacial till is unsorted sediment deposited directly by a glacier.

* As a glacier moves, it picks up rocks, gravel, sand, and silt from the ground. These materials become embedded in the ice and are carried along with the glacier.

* This material acts as abrasive elements, scraping and grinding the bedrock beneath the glacier.

* When the glacier melts, it deposits the till, which is a mixture of different sizes of rock and sediment.

Here are some key characteristics of glacial till:

* Unsorted: Contains a wide range of particle sizes from clay to boulders.

* Angular: The particles are often angular and sharp due to the grinding action.

* Unstratified: The till is typically deposited in a jumbled, chaotic manner, without any distinct layers.

Glacial till is a significant component of many glacial landscapes, forming features like moraines, drumlins, and eskers.