Please enable JavaScript.

Coggle requires JavaScript to display documents.

TYPES OF ROCKS (Metamorphic rock (Agents of metamorphism (Heat (Comes from…

- - - - Comes from magma and increasing temperature with depth.
    - - Confining pressure and directed pressure.
    - - The fluids that help move minerals by dissolving the original materials, then proceeding to deposit new ones.
  - - - Appears layered. Formed through high temperature and directed pressure.
    - - There are no layers. Formed under high temperatures and confined pressures.
- - - - Fine-grained rocks that cools on Earths surface.
    - - Coarse-grain rock that cools beneath Earths surface.
  - - - Basaltic composition: 45% dark silicate
      - Andesitic composition: 25-45% dark silicates
    - - Granitic composition: light-colored, 10-25% dark silicate