Card Set Information
AQA GEOG3 Plate tectonics and Minor Intrusive features
Give an example of a geographical feature formed by constructive margins
The Great African Rift Valley
Spans 6000km from northern Syria to central Mozambique in South East Africa.
Give an example of a geographical feature formed by Continental/Continental destructive margins
The Himalayan Mountains.
The Indo Australian plate collides with the Eurasian plate
Originally, there used to be a sea called the Tethys Sea between India and Asia, but over time India has collided into Eurasia creating huge fold mountains rich in marine fossils.
Give an example of a geographical feature formed by Conservative margins
The North Anatolian fault line in Northern Turkey
Responsible for the Izmit Earthquake which claimed 20,000 lives in 1999.
Give an example of a rift valley
East African Rift Valley.
Stretches 4000km from Mozambique to the Red Sea and a further 1500km from the Red Sea to Jordan.
In some areas the inward facing scarps are 600m from the valley floor and are marked by a series of parallel step faults.
The area is also associated with volcanic activity, for example Mt. Kilimanjaro, rising approximately 5,100m from its base.
Give an example of an Island Arc
The Kuril Islands
Span from North East Japan to South Est Russia over 1300 km
Pacific plate is subducted beneath the Okhotsk plate
Give an example of young fold mountains
>3000 miles long
Give an example of old fold mountains
Ural mountains in Kazakstan and Russia
Formed as the prehistoric plates of Baltica and Siberia collided
Give an example of a Batholith
Sharp and Skiddaw in the Lake District
Large deposits of batholith formed granite
Give an example of a sill
Whin Sill from Dufton, North Yorkshire to Holy Island in Northumberland.
Give an Example of a Dike
Kildonan on the Isle of Arran, Scotland.
Give an example of a Lopolith
The Humboldt Lopolith of Nevada and the Skaergaard complex of Greenland.