The Rocks & Minerals Challenge Game
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Review Rocks by Pictures and Attributes Review Minerals by Pictures and Attribute
Rocks: Drag & Drop -Identify by Name Minerals: Drag & Drop -Identify by Name
Rocks: Fill-In Minerals: Fill-In
Rocks: Advance Minerals: Advance
 
Rock Identification by Picture and Attribute
Explorers! Before you begin your journey, you need to recognize these geological specimens.
 
Begin by selecting one of the specimens pictured.
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Metamorphic
      
     
Igneous
          
Sedimentary
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Name: Dunite/Peridotite
Classification: Igneous
Alternate Specimen(s)
Fichter, Lynn S.
James Madison University
Texture/Color:
phaneritic/ dark brown, dark green
Minerals Present:
olivine, pyroxene
Intrusive or Extrusive?
intrusive
About this rock: A relatively rare ultramafic igneous rock that originates from great depth. Peridotite is thought to be approximately the same composition as the mantle.
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Igneous
    
Sedimentary
      
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