Difference between revisions of "Concretion"

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*Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995)
 
*Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995)
  
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===References===
 
<references/>
 
<references/>
 
[[category:geology]]
 
[[category:geology]]
 
[[Category:Dictionary]]
 
[[Category:Dictionary]]

Revision as of 08:25, May 9, 2010

Concretion, commonly discrete, rounded nodular rock masses formed and found in beds of shale or clay.[1]

Sources

  • Pellant, Chris. The Complete Book of Rocks and Minerals, Dorling Kindersley Inc.: New York (1995)

References

  1. ↑ Pellant, p. 250