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: Chert (Flint)
Alternate
Specimen(s)
Fichter, Lynn S.
James Madison University
Classification: Sedimentary
Mineral Compostion:
quartz
Texture and Distinguishing Properties:
no individual crystals visible, dark gray
How Did the Rock Form?
marine environment
About this rock:
Forms by re-crystallization of diatomaceous sediment. Some as chalcedony except that organic matter makes it dark and gives it the property of "sparkling" when stuck with steel or another rock
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Igneous
    
Sedimentary
      
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