How is granite formed?
Formed when magma is forced up into the crust, becomes trapped and cools very slowly (intrusive)
Where is granite located?
Dublin-Wicklow mountains
How is basalt formed?
Form after lava reaches the earths surface and cools very quickly (extrusive)
Where is basalt located?
Giants Causeway
How is limestone formed?
dead sea creatures pile up on the sea floor and become compressed and cemented together
Where is limestone located?
The Burren. Co. Clare
How is sandstone formed?
Large amounts of san worn away from the crust
Sand was carried by the wind or rivers and deposited on the beds of the sea
Deposits become compressed and cemented together
Where is sandstone located?
MacGillycuddy Reeks, Co, Clare
How is marble formed?
limestone is placed under great heat and pressure
Where is marble located?
Rathlin island
How is Quartzite formed?
Sandstone is placed under great heat and pressure
Where is quarzite located?
Croagh Patrick Co. Mayo
