The Rocks & Minerals Challenge Game
 
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: Gneiss
Alternate Specimen(s)
Fichter, Lynn S.
James Madison University
Classification: Metamorphic
Texture/Color:
foliated
Minerals Composition:
quartz, amphiboles, micas
Metamorphic Grade:
high
Parent Rock:
schist or granite

About this rock:
Minerals are segregated into bands as a result of high temperature and pressures.
rock rock
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rock rock
rock rock
rock rock
Igneous
   
Sedimentary
     
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