Glaciers push up mounds of dirt as the advance forward.
When they recede, they leave these mounds of earth, debris and rock
What are these mounds called? In my ancient memory, I thought they were called doldrums, but this doesn't seem to be right judging from the responses I have obtained from this site.
The hills are called moraines or just a moraine.
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Hills left by glaciers are known as moraines. Moraines are formed when glaciers transport and deposit sediments and rocks at their edges or as ridges within the glacier. These hills can vary in size and shape depending on the flow and behavior of the glacier.
Cirques are bowl-like features cut into mountains or hills where glaciers form. They are typically found at high elevations and are formed by the erosive action of glaciers carving out the landscape.
They are called drumlins.
Cirque.
The Northwest Highlands is an ancient eroded region of rugged hills and low mountains. During the last ice age, glaciers scoured the landscapes of Scandinavia and much of the British Isles. Glaciers carved fjords along Norway's coast. When the ice melted, the retreating glaciers left behind thin soils and thousands of lakes.
Glaciers are made up of fallen snow that over many, many years becomes compressed into thickened ice masses. When this becomes too heavy, gravity causes the ice to flow very slowly, and the action of the ice cuts out plains and hills whilst travelling, picking up all the rock and other material in its way. The power of the ice cuts out softer material and grinds on the harder stuff. And land is shaped in this way.