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Minerals and RocksUnderstanding the Rock Cycle
What are minerals?• All rocks are  composed of minerals• Minerals are naturally  occurring, nonliving  substances found on...
About 20 minerals make up more than 95%   of all of the rocks in the Earth’s crust
Chemical CompositionMinerals have a definite chemical   composition and structure
Heat andpressure            Sedimentary Rock        Metamorphic RockMeltingDeposition,Lithification andcementation        ...
How do minerals make rocks?New rocks are formed from volcanoes
Igneous RocksMolten rocks cool and solidify to form igneous rocks
What happens over time?
Sedimentary Rocks         • Sedimentary rocks           are composed of the           remains of older rocks           and...
How are they formed?                               The process of sediments                               being laid down ...
What do they look like?
Metamorphic Rocks• Metamorphic rocks  can be formed from  any other type of rock• The similarities are  often uncanny…its ...
It is metamorphosed
A little pressure and you’ll fold up      like a metamorphic rock
Heat andpressure            Sedimentary Rock        Metamorphic RockMeltingDeposition,Lithification andcementation        ...
Lesson 1 minerals and rocks notes
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Lesson 1 minerals and rocks notes

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Lesson 1 minerals and rocks notes

  1. 1. Minerals and RocksUnderstanding the Rock Cycle
  2. 2. What are minerals?• All rocks are composed of minerals• Minerals are naturally occurring, nonliving substances found on Earth.• There are about 3500 known minerals
  3. 3. About 20 minerals make up more than 95% of all of the rocks in the Earth’s crust
  4. 4. Chemical CompositionMinerals have a definite chemical composition and structure
  5. 5. Heat andpressure Sedimentary Rock Metamorphic RockMeltingDeposition,Lithification andcementation Igneous Rock
  6. 6. How do minerals make rocks?New rocks are formed from volcanoes
  7. 7. Igneous RocksMolten rocks cool and solidify to form igneous rocks
  8. 8. What happens over time?
  9. 9. Sedimentary Rocks • Sedimentary rocks are composed of the remains of older rocks and organisms. • It is in these rocks that we find fossils
  10. 10. How are they formed? The process of sediments being laid down Check out the linkThe process of particles and minerals layering andjoining together to become one rock type Check out the link
  11. 11. What do they look like?
  12. 12. Metamorphic Rocks• Metamorphic rocks can be formed from any other type of rock• The similarities are often uncanny…its just a little change• But How???
  13. 13. It is metamorphosed
  14. 14. A little pressure and you’ll fold up like a metamorphic rock
  15. 15. Heat andpressure Sedimentary Rock Metamorphic RockMeltingDeposition,Lithification andcementation Igneous Rock

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