Thrust faults continued

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Thrust faults (continued)
Cross sections Importance to oil exploration
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Cross-sections

• Thrust faults cut up-section only! (or
  section-parallel)
• Every flat or ramp in the FW should correspond to
  an equivalent flat or ramp in the WH
• Bed thickness is preserved (conservation of
  volume and mass)
• Other than that - its all interpretation!

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A trip along the Athabasca River
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More Canadian Cordillera
Roche Ronde
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Boulle Range
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Roche Ronde
Boulle Range
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Other types of shortening-high angle typical
reactivate older structures (inversion
tectonics)
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Thrust belts contain a significant fraction of
the Earths oil deposits- typically form in
anticlinal traps