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Thrust faults (continued) Cross sections Importance to oil exploration

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Page 1: Thrust faults (continued) Cross sections Importance to oil exploration

Thrust faults (continued)

Cross sections

Importance to oil exploration

Page 2: Thrust faults (continued) Cross sections Importance to oil exploration

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 - it’s all interpretation!

Page 3: Thrust faults (continued) Cross sections Importance to oil exploration
Page 4: Thrust faults (continued) Cross sections Importance to oil exploration

A trip along the Athabasca River

Page 5: Thrust faults (continued) Cross sections Importance to oil exploration

Roche Ronde

More Canadian Cordillera

Page 6: Thrust faults (continued) Cross sections Importance to oil exploration

Boulle Range

Page 7: Thrust faults (continued) Cross sections Importance to oil exploration

Roche RondeBoulleRange

Page 8: Thrust faults (continued) Cross sections Importance to oil exploration

Other types of shortening-high angle; typical reactivate older structures (“inversion tectonics”)

Page 9: Thrust faults (continued) Cross sections Importance to oil exploration

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Thrust belts contain a significant fraction of the Earth’s oil deposits- typically form in anticlinal traps


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