Push moraine

The Lüneburg Heath seen from the Wilseder Berg in northern Germany. The Lüneburg Heath consists of pushed moraines made from Neogene sand deposits. These form nutrient-poor soils and are generally shrublands covered in heaths.

A push moraine or pushed moraine is in geomorphology a moraine (a landform formed by glacial processes) that forms when the terminus advance of a lowland glacier pushes unstratified glacial sediment into a pile or linear ridge in front of it. A push moraine is identified by its ability to push sediment upwards from its original horizontal position. Push moraines are limited in size by the advance of a glacier front and its tendency to shear over the top of any ridge large enough to resist the movement of ice. Pushed moraines generally occur in low, flat plains at higher latitudes and were formed during the glacial stages of the Quaternary ice age. They can be up to 100 km long and several hundreds of metres in height.

单词	Push moraine
释义	Push moraine 英语百科 Push moraine A push moraine or pushed moraine is in geomorphology a moraine (a landform formed by glacial processes) that forms when the terminus advance of a lowland glacier pushes unstratified glacial sediment into a pile or linear ridge in front of it. A push moraine is identified by its ability to push sediment upwards from its original horizontal position. Push moraines are limited in size by the advance of a glacier front and its tendency to shear over the top of any ridge large enough to resist the movement of ice. Pushed moraines generally occur in low, flat plains at higher latitudes and were formed during the glacial stages of the Quaternary ice age. They can be up to 100 km long and several hundreds of metres in height.
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