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Igneous Rocks

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

ROCKS

BY: MACKI HERMANN
Photo by theqspeaks
2.

INGNEOUS ROCKS

FORM FROM THE COOLING SOLIDIFICATION OF LAVA OR MAGMA
Photo by gnuckx
3.

INTRUSIVE IGNEOUS ROCKS

  • MAGMA COOLS SLOWLY
  • LARGE CRYSTALS FORM
Photo by Dietmar Down Under
4.

EXTRUSIVE IGNEOUS ROCKS

  • LAVA COOLS QUICKLY
  • SMALL OR NO CRYSTALS FORM
  • MAY BE VESICULAR THAT CONTAIN AIR BUBBLES
Photo by jsj1771
5.

SEDIMENTARY ROCKS

FORM FROM THE COMPACTION AND CEMENTATION OF SEDIMENTS
Photo by pecooper98362
6.

CLASTIC SEDEMENTARY ROCKS

  • Compacted sediments
  • Classified by size
Photo by Darkroom Daze
7.

ORGANIC/CRYSTALLINE ROCKS

  • evaporites (rock salt)
  • preciporites
  • biological matter (coal, limestone)
Photo by jsj1771
8.

METAMORPHIC ROCK

~ROCKS ARE CHANGED AS A RESULT OF EXPOSURE TO INTENSE HEAT AND/OR PRESSURE

Photo by Albert Freeman
9.

CONTACT METAMOORPHISM

  • heat
Photo by jsj1771
10.

REGIONAL METAMORPHISM

  • pressure
Photo by jsj1771

Macki Hermann