Glacier Snowdonia case study

Question 1

Where is Snowdonia?

Answer 1

Wales National Park in Glyder Mountains

Question 2

How big is snowdonia?

Answer 2

2170km2

Question 3

How many visitors annually go to Snowdonia?

Answer 3

10 million visitors

Question 4

Name of Snowdonia’s glacial trough

Answer 4

Nant Francon

Question 5

Name of Snowdonia’s corrie

Answer 5

Cwm Idwal

Question 6

Name of Snowdonia’s pyramidal peakk

Answer 6

Mnt Snowdon

Question 7

Name of Snowdonia’s ribbon lakes

Answer 7

Llyn Ogwen

Question 8

Name of Snowdonia’s Roche montonnees

Answer 8

Maes Caradoc which is formed over 5 meters high igneous rock from tectonic activity

Question 9

Example of striations in Snowdonia

Answer 9

Maes Caradoc (site of many roche montonees)

Question 10

Example of erratics in Snowdonia

Answer 10

In the Great Orme region
- Rocks from South West Harlech region

Question 11

Example of drumlins in Snowdonia

Answer 11

Conway Valley

Question 12

Name the 3 different types of rock found in Snowdonia in order of most resistant to least

Answer 12

Igneous rock
Sedimentary rock
Metamorphic rock

Question 13

What has caused there to be igneous rock in Snowdonia?

Answer 13

From volcanic activity during the Ordovician period, 450million years ago.

Question 14

How has different resistant geology impacted Snowdonia?

Answer 14

• 5m high igneous rock shaped into the Maes Caradoc Roche montonées.
• Morraine is primarily sedimentary rock as it has low resistance.
• Great Orme region has erratics with rock from South West Harlech.
• Gorges due to less resistant rock to erosional force of upland meltwater
• Cwm Idwal, nivation and rotational slip steepening the back wall.