Paper 2, Section A : Rock Types Flashcards
1
Q
How is sedimentary rock formed?
A
layers of sediment accumulate overtime as it settles to the bottom of water
The layers are compressed to form rock
2
Q
What type of rock are fossils found in?
A
Sedimentary
3
Q
What are examples of sedimentary rock?
A
Limestone, sandstone, shale
4
Q
What is metamorphic rock?
A
Rock that has been changed by extreme heat and pressure,
Formed by tectonic activity
5
Q
What are some examples of metamorphic rock?
A
Shale -> slate
Sandstone -> quartzite
Limestone -> marble
6
Q
How is igneous rock formed?
A
Formed when magma or lava cools
7
Q
What is extrusive igneous rock?
A
Forms when lava cools outside the volcano
Eg. Obsidian
8
Q
What is intrusive igneous rock?
A
Formed inside the volcano
Eg. Granite
9
Q
What is the line dividing the UK’s Highland and lowland?
A
Tees- Exe line
