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The Rock Cycle

Published on Nov 22, 2015

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1.

The Rock Cycle

The Earth is made of rocks and minerals
Photo by mdalmuld
2.

Igneous

  • made from a volcano
  • cooling of magma/lava
  • many have obvious crystals
3.

Igneous Rocks

  • obsidian
  • granite
  • basalt
  • pumice
Photo by elleneka102
4.

Sedimentary

  • made from pressing rocks together
  • formed in layers
5.

Sedimentary Rocks

  • Sandstone
  • Limestone
  • Conglomerate
  • Shale
Photo by nffcnnr
6.

Metamorphic

  • Created from heat AND pressure
  • Created from another kind of rock
  • forms bands (layers)
7.

Metamorphic Rocks

  • slate
  • schist
  • gneiss
  • marble
Photo by Forest Service Southwestern Region

Megan Dahlgren