HOMEEarth and usLet's investigate the seashoreLet's look at a geologic map

Let's look at a geologic map

What we will learn

  • This is the geologic map of Kagawa
  • The pink portion represents granite.

Granite distribution of Kagawa Prefecture



Conclusion

  • The upper geologic map and the sectional view show that granite is the foundation of Kagawa Prefecture.
  • Moreover, the granite is made of a structure called equal granulation organization.
  • This is the rock which comes from deep in the earth and is made by volcanic activity .
  • In Kagawa, this shows that volcanic activity took place a long time ago.
  • Moreover, it is thought that there were big changes in the big ground.
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NATURE TRAVEL by team130133 is licensed under a Creative Commons Attribution-NonCommercial 2.1 Japan.