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Rock Cycle

Rock Cycle. Diagram of the Interior of the Earth. Crust 0 to 40 km 0°C. Upper Mantle 40 to 670 km 1,000°C. Lower Mantle 670 to 2,890 km 2,000°C. Outer Core 2,890 to 5,150 km 3,700°C. Inner Core 5,150 to 6,370 km 4,300°C.

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Rock Cycle

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  1. Rock Cycle

  2. Diagram of the Interior of the Earth Crust0 to 40 km0°C Upper Mantle40 to 670 km1,000°C Lower Mantle670 to 2,890 km2,000°C Outer Core2,890 to 5,150 km3,700°C Inner Core5,150 to 6,370 km4,300°C Prepared by theMichigan Department of Environmental QualityOffice of Geological Survey

  3. Minerals • Minerals – Naturally formed solid that has a repeating three-dimensional shape • Minerals are • Nonliving material • Have crystals • Formed in nature • solid

  4. Identifying Minerals Luster Color Streak Cleavage and Fracture Density Hardness

  5. Which property means the way the light bounces off the mineral? luster

  6. What words can be used to describe a mineral’s luster? Glassy, dull, shiny, greasy

  7. Why is color not a good property to use to identify a mineral? limestone slate Many minerals have the same color.

  8. Streak is simply the color of a mineral powder.

  9. fingernail, penny, nail What are three testers that can be used to determine a mineral’s hardness?

  10. Moh’s Hardness Scale What rock will scratch Calcite but not scratch Orthoclase?

  11. Hardness of some other items:

  12. Mineral Properties Video Clip

  13. Rocks • Minerals combine to form rocks • There are three types of rocks • Igneous • Sedimentary • Metamorphic

  14. http://www.cet.edu/ete/modules/msese/earthsysflr/rock.html

  15. Rock Cycle

  16. Igneous Rock Igneous forms when hot, liquid rock, or magma, cools and hardens Igneous rock formed on the surface is called extrusive Rock formed under surface is intrusive

  17. Extrusive Intrusive

  18. Sedimentary Rocks Sedimentary rocks are formed from compaction and sedimentation Sedimentary contain layers called strata

  19. Sedimentary Rocks

  20. Metamorphic Rock Metamorphic rock is formed by heat and pressure

  21. + Heat and Pressure =

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