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Rock Cycle Terms

11/16/2009

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Weathering-  The breaking down of rock into smaller pieces----- gravity was the most common, but also wind and rain.

Erosion is the moving of this broken rock (sediment) again the most common way is gravity, but we can also always point to rain or water as a major source   

Deposition is the depositing of the sediment in an area that eventually gets a build up of the sediment.

Compression is the build up of sediment that causes pressure pushing downward and compacting

Cementation is the natural sticking together that is caused by time and minerals combining.

Heating-  This is when a rock is heated at extreme temperatures, but not melted because it is not in the magma

Re-crystallization-  Due to heat crystals begin to grow again in the rock.


Folliation-  Minerals line themselves up in layers or get pushed due to pressure into layers

Melting-  The rock finds it’s way into magma and completely melts and the minerals mix with the other minerals in the “mineral soup”

Crystallization-  As a new rock solidifies, mineral deposits begin to form on the rock.  Remember, the longer this process takes, the bigger the crystals will be.  If it is intrusive, the crystals will be bigger because the process of cooling would take longer due to the extreme temperatures of the magma.
            If it is extrusive, the process is shorter because the rock will cool on the land or in water, therefore thecrystals are smaller or even absent.
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  • Home
  • Earth Sci Labs
  • 7th Grade ON-LINE TEXTBOOK
  • 7th Grade
    • 7th grade Lab Reports
    • Current events
    • 7th 1- Scientific Theory
    • 7th Lanforms & Maps >
      • Mountain Project
      • Mineral/ Gem Project
    • 7th 3- Geology >
      • Weathering & Erosion
      • Fossil Project
      • Plate Tectonics
      • Earthquakes
      • Unit Test Review
    • 7th Unit 4 Atoms >
      • 7th Atom Brochure
  • Student Contact Info Form
  • Submit Homework
  • 8th Grade Units 1-4
    • Unit 1 Models of the Earth >
      • Metric Review
      • Chapter1 Review
      • Chapter 2
      • Topographic Maps
    • Unit 2 Rocks & Minerals >
      • Minerals
      • Rocks
    • Unit 3 Dynamic Crust >
      • Earthquakes
      • Earthquakes & Interior
      • Hot Spots
      • Volcano
      • Dynamic Crust Review >
        • Practice Tests
    • Unit 4 Shaping the Earth's Surface >
      • Weathering
      • chemical weathering
      • Another Weathering video
      • Erosion Videos
      • Glaciers >
        • Glacier Pwr points
      • Changing Earth
      • Unit Review
  • 8th Grade Units 5-9
    • Unit 5 Earth History >
      • Archean History
      • Geological Eras
      • Geologic Sequence Project
      • Unit 5 Review
    • Unit 6 & 7 Climate & Meteorology >
      • 801 Vacation Work
      • Weather Tracking HW Lab
      • Meteorology info
      • Station Models
      • Wind
      • Storms
      • Weather & Climate Review Tests
    • Unit 8 Earth & Space
  • 801 Test Review
  • Ways to pass the regents
  • files
  • Other Important Links
  • New Page