👉 Pleistoseist is a type of sedimentary rock that forms in places where there are large amounts of ice and snow accumulating over time. These rocks can be found in mountainous areas, such as the Andes or the Himalayas, and they are often composed of small particles of ice that have been deposited on top of each other over millions of years. The sedimentary rock is typically white or gray in color due to the presence of minerals such as calcite and quartz. Pleist