Rocks
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Rocks

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Rocks Rocks Presentation Transcript

  • Igneous, Metamorphic, and Sedimentary Rocks
  • Definition of Rock Type
    Formation of Rock Type
    Examples of each kind of rock
    The Rock Cycle
    Quiz
    Summary
    Overview
  • What is an Igneous Rock?
    Formed by the solidification of magma
    Sail Rock/
    Igneous Rock
    Igneous Rock
  • How are Igneous Rocks formed?
    Process 1
    Formed underground
    Formed from melted rock(magma)
    Magma trapped in small pockets
    Magma cools down
  • Process 2
    Formed above ground
    Volcanoes erupt
    Magma flows above ground
    As known as lava
    Lava cools down
    Igneous Formation Continued
  • Granite
    Scoria
    Pumice
    Obsidiar
    Examples of Igneous Rocks
    Granite Rock
    Scoria Rocks
  • What is a Metamorphic Rock?
    Metamorphism- Change effected by heat/pressure
    Produced by metamorphism
    Creigh Hill, Scotland
  • How are Metamorphic Rocks formed?
    Once “igneous” or “sedimentary”
    Rock under large amount of pressure
    Heat builds up
    This is what morphs(changes) them
  • Examples of Metamorphic Rocks
    Schist
    Gneiss
    Marble
    Slate
    Marble Rock
    Slate Rocks
  • What is a Sedimentary Rock?
    Formed by sedimentation of earth’s surface
    Bryce Canyon National Park
    Red Canyon, Utah
  • How are Sedimentary Rocks formed?
    Weathering
    Deposition
    Erosion
    Lithification
    Compaction
  • Sandstone
    Limestone
    Shale
    Conglomerate
    Gypsum
    Examples of Sedimentary Rocks
    Sandstone Rock
    Shale Rock
  • The
    Rock
    Igneous
    Rocks
    Melting
    Heat/Pressure
    Weathering/
    Erosion
    Melting
    Cycle
    Sedimentary
    Rocks
    Metamorphic
    Rocks
    Heat/Pressure
    Weathering/Erosion
  • What rock is formed from…
    Solidification of magma?
    Large amounts of pressure or heat?
    Weathering and erosion?
    Quiz
  • Igneous-From cooled magma/lave
    Can be above or below ground
    Metamorphic-From pressure/heat on rocks
    Once an igneous/sedimentary rock
    Sedimentary-From weathering and erosion
    Pieces of the earth breaking down
    Summary
  • Shandshem, “Igneous rock intrusion by a green mineral common throughout the gabbro on BlaBheinn and the Cuillin ridge” August 15, 2009 via Flickr, Attribution License.
    Fermion, “Sail Rock” July 8, 2009 via Flickr, Attribution License.
    Shandshem, “Banding in a metamorphic rock called psammite/pelite, Creigh Hill, Angus, Scotland.” August 28, 2009 via Flickr, Attribution License.
    Wolfgang Staudt, “nature” February 11, 2008 via Flickr, Attribution License.
    Alan Vernon, “Red Canyon overlook with Snow dusting” June 8, 2009 via Flickr, Attribution License.
    Sunset Sailor, “Shoreline granite” September 8, 2006 via Flickr, Attribution License.
    Kiwi Flickr, “Scoria” March 6, 2005 via Flickr, Attribution License.
    Dominic’s Pics, “Marble Rock” September 24, 2008 via Flickr, Attribution License.
    Aldenchadwick, “Sharp Slate” May 23, 2010 via Flickr, Attribution License.
    pepper_panharris, “Sandstone III” May 27, 2009 via Flickr, Attribution License.
    Seldom Scene Photography (was Old Dog Photo), “Bonne Bay shale” October 20, 2009 via Flickr, Attribution License.