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
min min
Name: Scoria
Alternate
Specimen(s)

Fichter, Lynn S.
James Madison University
Classification: Igneous
Texture/Color:
vesicular/ most often reddish black
Minerals Present:
cannot tell from hand sample
Intrusive or Extrusive?
extrusive
About this rock: Lava, commonly basaltic.
rock rock
rock rock rock
rock rock
rock rock
rock rock
Igneous
   
Sedimentary
     
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