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Are igneous rocks layered?

  1. Nov 11, 2009 #1
    are igneous rocks layered?
     
  2. jcsd
  3. Nov 11, 2009 #2

    mgb_phys

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    Re: Rocks

    They can be but it's not always very obvious
    Extruded basalt that flowed on the surface before cooling shows layers or more often columns - if you want to consider these layers
     
  4. Nov 11, 2009 #3
    Re: Rocks

    what about sedimentary and metamorphic rocks
     
  5. Nov 11, 2009 #4

    mgb_phys

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    Re: Rocks

    More obviosuly layered
     
  6. Nov 11, 2009 #5
    Re: Rocks

    so Granite can be classified as what basic rock type
     
  7. Nov 11, 2009 #6
    Re: Rocks

    what about granite
     
  8. Nov 11, 2009 #7

    mgb_phys

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  9. Nov 11, 2009 #8
    Re: Rocks

    ok thanks
     
  10. Nov 11, 2009 #9
    Re: Rocks

    will you be around this time tomorrow? I have some questions concerning chemical changes.
     
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