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Grade 7 Science Unit 4: The earth’s Crust

Rock and Mineral Resources. Grade 7 Science Unit 4: The earth’s Crust. Much of the exploration of the Earth’s crust is done for economic reasons. Some types of minerals, ores and rocks are sought and exploited. Refer to page 344 in text. Rock and Mineral uses.

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Grade 7 Science Unit 4: The earth’s Crust

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  1. Rock and Mineral Resources Grade 7 ScienceUnit 4: The earth’s Crust

  2. Much of the exploration of the Earth’s crust is done for economic reasons. Some types of minerals, ores and rocks are sought and exploited. Refer to page 344 in text Rock and Mineral uses...

  3. A resource is used for a specific purpose such as... Petroleum Metals Gems Rock & mineral resources

  4. Made from the remains of once-living organisms. Used to make fuels, plastics, etc. Petroleum & Coal

  5. The most useful product from mineral resources. • The most common being gold, silver, copper, iron, zinc, aluminum and nickel • Used to make cars, computers, etc metals

  6. Highly prized because they are rare and beautiful. Polished and use for jewellery. Diamonds are also used for scalpels, dental drills, etc. gems

  7. Many communities have been established in NL for the purpose of extracting rocks for the minerals in them. Mining in nl

  8. Iron ore (Bell Island) Copper (Buchan’s) Zinc (Daniel’s Harbour) Copper (Tilt Cove) Mining in Nl... The past

  9. Gold (Nugget Pond) Granite (Lumsden) Iron ore (Labrador City) Slate (Burgoyne’s Cove) Gypsum (Flat Bay) Mining in nl... The present

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