Igneous & Sedimentry Rocks Flashcards
What is the study of rocks called?
Geology
What does permeable mean?
Water can pass through it
Name the three rock categories.
- Igneous
- Sedimentary
- Metamorphic
What are the two types of igneous rock formation?
- Extrusive
- Intrusive
What is an example of an extrusive igneous rock?
Basalt
What is an example of an intrusive igneous rock?
Granite
Where does basalt typically form?
At volcanoes and fissure eruptions
What does granite do as it cools?
Forms crystals visible due to slow rate of cooling
What is sandstone classified as?
Sedimentary rock
What is limestone classified as?
Sedimentary rock
What is shale classified as?
Sedimentary rock
What is coal classified as?
Sedimentary rock
What are some uses of granite?
- Worktops
- Countertops
What is the primary use of crushed granite?
Road chippings
Where is granite commonly found?
In the Wicklow Mountains
