Glaciated Landscapes SG3a Flashcards
What was the last glacial period to have affected the Lake District?
The Devensian Glacial
What as the mini-glacial which followed the Devensian Glacial and lasted no more than 1,000 years?
Loch Lomond Stadial
When did the Devensian Glacial end?
12,000 years ago
When did the Loch Lomond Stadial end?
11,000 years ago
Name a corrie in the Lake District
Red Tarn
What is the vertical height of Red Tarn’s backwall?
950m
What is the height of Red Tarn above sea level?
720m
What orientation is Red Tarn?
NE
Name an arete in the Lake District
Striding Edge
How long is Striding Edge?
1,664m
Name a hanging valley in the Lake District
Glenridding Beck
What is the change in height from Red Tarn to Glenridding Beck?
500m
What is the length of Glenridding Beck?
3.77km
Name a glacial trough in the Lake District
Patterdale
How long is Patterdale?
15.53km
How high are the valley sides of Patterdale?
400m
Name a ribbon lake in the Lake District
Ullswater
How long is Ullswater?
12.55km
How wide is Ullswater?
976m
Name a roche moutonnée in the Lake District
Norfolk Island
Define Hummocky Moraine
Mounds of glacial till left by a retreating corrie glacier as the ice melts insitu
Where is there a hummocky moraine in the Lake District?
Glenridding Beck
Name a drumlin field in the Lake District
Eden Vale
How many drumlins are in Eden Vale?
308
What is the area of Eden Vale?
36km2
How long are the drumlins in Eden Vale?
150m - 1,000m
How wide are the drumlins in Eden Vale?
75m - 500m
What are the drumlins made of in Eden Vale?
A few are rock cored, but most are unsorted till
Where is there an erratic in the Lake District?
Allonby
What is the latitude of the Lake District?
54 degrees N
How much does temperature decrease by with every 1,000m increase in height?
6.5 degrees C
What are the three major zones of rock types in the Lake District?
Skiddaw Group, Windermere Group, Borrowdale Volcanic Group
Where is the Skiddaw Group found?
In the North of the Lake District
Where is the Windermere Group found?
In the South of the Lake District
Where is the Borrowdale Volcanic Group found?
In the centre of the Lake District
Which of the three rock groups is most resistant to weathering and erosion?
Borrowdale Volcanic Group
Which of the three rock groups is least resistant to weathering and erosion?
Windermere Group
Which rock group has the most corries?
Borrowdale Volcanic Group
Which rock has the least/no corries?
Windermere Group