Relative Age Dating (Stratigraphy)

Principle of Superposition

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Principle of Original Horizontality

Principle of Cross-cutting Relationships

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Age Relationship with Igneous Rocks

• Baked Zones (fig. 3.5, p.44)
  

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  Sill
  

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  Lava Flow
  

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  Baked Zone
  

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• Principle of Inclusions (fig. 3.6, p. 44)
  
  - xenolith
  

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last updated 2-22-01

All original material copyright (c) 1998 by Annabelle Foos. All rights reserved.