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The Rock Cycle
Question | Answer |
---|---|
What is an igneous rock? | a rock made by molten magma cooling on or beneath the earths surface. |
What is granite? | an igneous rock which is formed beneath the earths surface. the crystals are large. it contains the minerals mica, feldspar and quartz it is plutonic and intrusive mourne mountains. |
What is basalt? | an igneous rock formed when molten magma cools on the earths surface. the crystals are small. volcanic and extrusive giants causeway(hexagonal) |
What is a sedimentary rock? | a rock made from the compression of sediments on the sea bed |
What is limestone? | a sedimentary rock organic 350 million years ago |