'Hanging valley' diaporamas de présentation

Glaciers and Glacial Deposits

Glaciers and Glacial Deposits. Glaciers. Climate indicators Growth is episodic (advance and retreat) Long term changes (Miller et al.) in Cenozoic (and earlier) Shorter term changes associated with insolation (100 ky and 23 ky cycles- Milankovitch Cycles)

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374 views • 27 slides

OS Maps

OS Maps. How to use contours to identify glacial features. Learning Objectives. By the end of this cycle you will be able to: Identify features of glacial erosion from contour patterns Identify features of glacial erosion on an OS map. 4 stage planning. Connect Card matching exercise

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Upland Glaciation

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Glacial landforms

Glacial landforms. How is a corrie formed?. Snow collects in a natural hollow on the side of a mountain. Over time, further snow collects in the hollow. This extra weight compresses the snow underneath, turning it into ice. rock lip.

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Arete - jagged rock walls dividing glaciers.

Arete - jagged rock walls dividing glaciers. Hanging Valley-A valley above a valley, usually with a water fall. Kettle Lakes-round, deep lakes carved by glaciers as they melt. Drumlins-Egg shaped structures of glacial till. The skinny end shows direction of flow.

135 views • 4 slides