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 ConnectCard matching exercise ActivatePowerPoint Presentation DemonstrateWorksheet and map ConsolidateGame of snap!

Glacial Features

The features we will look at are: Corrie Tarn or Lochan U-Shaped Valley Arête Hanging Valley Ribbon Loch

Corrie with tarn or lochan

U-Shaped valley

Arete (mountian ridge)

Hanging Valley – a smaller valley joining the main valley.

Corrie with a tarn or lochan

U-Shaped Valley

Arete

Corrie

tarn

corrie

Arete

arete

arete

U-shaped Valley

U-shaped valley

U-shaped valley

Hanging Valley

Hanging Valley

Ribbon Lake

Contour Patterns and Glaciated Features

Map question

Give 4 figure grid references for each feature:-

1) Corrie (one with a lochan) 2) Arête 3) U-shaped valley 4) Hanging valley