rocks and their formations
- Created by: pipedgar
- Created on: 04-04-14 18:10
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- rocks
- igneous rock
- when magma solidifes
- interlocking crystals
- hard
- resistant to heat
- small crystals if cooled quickly
- basalt
- large crystals if cooled fast
- granite
- sedimentry
- sediment compacted (layers)
- erode easily
- fossils
- chalk
- limestone
- natural forms of calcium carbonate
- chalk
- natural forms of calcium carbonate
- metamorphic
- existing rocks open to heat and pressure
- cause new inter locking crystals
- marble is made from chalk or limestone
- limestone uses
- buildings
- base of roads
- made of CACO3
- heated to make glass
- calcium carbonate---> calcium oxide + carbon dioxide
- limestone uses
- quarrying
- advanatges
- important
- jobs
- exported- UK economy
- disadvantages
- dust and noice
- distory habitats
- advanatges
- igneous rock
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