case study -Dartmoor Flashcards
1
Q
what rock is it on Dartmoor?
A
-granite (an intrusive igneous rock)
2
Q
what are some characteristics of the Dartmoor landscape?
A
- wet/windswept
- rocky
- thin soil
- few trees
- sheep
- boggy land/moorland
3
Q
what is the anagram to remember the characteristics?
A
-When Will Roger Think Felix Sacked Ben Moor
4
Q
where was it formed?
A
-underground
5
Q
how was the granite formed?
A
-it became exposed due to the erosion of overlying rocks
6
Q
what happened 300 million years ago?
A
-tectonic processes caused molten magma (under intense pressure) to rise through the crust. some magma reached the surface as lava and cooled
7
Q
what are the main processes acting on this landscape?
A
- weathering -freeze-thaw and chemical erosion
- erosion -ice age exposed the rock
- mass movement -material down the rock due to gravity
