Cooling and Crystallization Exercise

Cooling and Crystallization

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Cooling and Crystallization

Examine how magma and lava cool and crystallize into solid mineral structures.

Questions

  1. MultiChoice

    What is crystallization in geology?

  2. MultiChoice

    What crystal size results when magma cools very slowly deep underground?

  3. MultiChoice

    What rock texture forms when lava erupts and cools instantly in water?

  4. MultiChoice

    What is a porphyritic texture in an igneous rock?

  5. MultiChoice

    According to Bowen's Reaction Series, which mineral crystallizes first from basaltic magma?

  6. MultiChoice

    Which mineral crystallizes last as magma cools and is common in granite?

  7. MultiChoice

    What forms when lava with trapped gas bubbles cools rapidly at the surface?

  8. MultiChoice

    Why do different minerals crystallize at different temperatures as magma cools?

  9. MultiChoice

    What is a fine-grained (aphanitic) texture?

  10. MultiChoice

    What is a coarse-grained (phaneritic) texture?

  11. MultiChoice

    What causes underground plutonic rocks to cool slowly?

  12. MultiChoice

    What forms when lava cools so fast that mineral atoms cannot organize into lattice grids?