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: Chalk
Alternate
Specimen(s)

Fichter, Lynn S.
James Madison University
Classification: Sedimentary
Mineral Compostion:
calcite
Texture and Distinguishing Properties:
very fine, powdery
How Did the Rock Form?
deposited in deep marine environments
About this rock:
Very pure limestone and containing only small amounts of silt or mud. Forms from shells of plankton; marine animals; and plants.
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Igneous
   
Sedimentary
     
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