Yo PE’s, be sure to check out the comments in the “notes” section of this power point.

What is it?What is it?

Keystone Thrust, Nevada

PaleozoicPaleozoic

JurassicJurassic

View to northwestView to northwest

Red Spring Thrust, Nevada (related to the Keystone)

Paleozoic

Jurassic

Photo from Ryan Petterson, Caltech

HIMALAYAN FRONTAL THRUSTHIMALAYAN FRONTAL THRUST

From Keegan Schmidt

From Rick Allmendinger

View to North

The McConnell thrust, Alberta. Shows a The McConnell thrust, Alberta. Shows a classic footwall ramp and flat geometry. classic footwall ramp and flat geometry.

Upper CretaceousUpper CretaceousCambrian carbonate

Cambrian carbonate rocksrocks

Shamelessly stolen from the internets…

Draw what you see…Draw what you see…

Thrust Fault Systems • TERMS

AllochthonAuthochthonKlippeFenster/WindowFault TraceRamp - oblique - lateral - frontalFlatDisplacement“Cut-offs” - hangingwall - footwall - beddingHinterlandForeland

DuplexHorseRoof ThrustFloor/sole thrustFault Trace, branch lines,

tip linesImbrication

Imbricate StackImbricate Fan

Dahlstrom’s RulesForward vs. Backward Fault

PropagationCross sections

Deformed-stateBalancedRetrodeformed

Thrust sheetNappeHW/FWUpper plateLower plateSlice……….