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Physical Weathering - Freeze Thaw

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High School Diploma Geography - JC Mind Map on Physical Weathering - Freeze Thaw, created by aileen Mc on 26/02/2014.
aileen Mc
Mind Map by aileen Mc, updated more than 1 year ago More Less
aileen Mc
Created by aileen Mc almost 11 years ago
aileen Mc
Copied by aileen Mc almost 11 years ago
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Resource summary

Physical Weathering - Freeze Thaw
  1. Freeze thaw action
    1. Example: Mountains
      1. Croagh Patrick - Co. Mayo
    2. Loose Rock
      1. Scree
        1. Talus
      2. Daytime - 7 Degrees
        1. Rain falls - Fills cracks in the rocks
          1. Night time - Drops below 0 degrees
            1. Water turns to ice and expands by 10%
              1. Puts pressure on the rock and shatters it
        2. Repeated freezing & thawing
          1. Over a few weeks
            1. Rock shatters
              1. Lots of scree
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