1. Sevier- and Laramide-Style Tectonics in the Northern Rocky Mountains John S. Oldow Geological Sciences University of Idaho Moscow, Idaho

2. Tectonic Transition between northern and southern Cordillera McClelland and Oldow, 2005

3. Scientific Motivation 1. 3 dimensional architecture of contractional orogen 2. Degree of coupling between crust and mantle during plate boundary deformation 3. Plate margin modification during terrane accretion 4. Role of structural inheritance

4. Western margin of Mesozoic continental crust

5. Jurassic magmatic arc

6. Jurassic backarc deformation

7. Late Jurassic accretion of Wallowa terrane

8. Late Jurassic-Early Cretaceous backarc basin transpression

9. Late Jurassic and Cretaceous foreland thrusting

37. Research Opportunities 1.Transition from thin-skinned to thick-skinned foreland contraction 2. Displacement transfer from foreland contraction to hinterland crustal duplex 3.Plate boundary modification during terrane accretion 4.Role of structural inheritance in continental tectonics