GL 107 Earth Systems Science
K. Hannula
Discussion questions for 10/8/07
1. What is the difference between ductile and brittle deformation? At what conditions do rocks deform in a brittle manner?
2. Define the following terms:
anticline
syncline
monocline
dome
basin
3. (Specific answer is not in book) Durango lies on the northern edge of the San Juan Basin. What does that mean about the shape of the local rock layers?
4. Define the following terms:
dip-slip fault
normal fault
reverse or thrust fault
strike-slip fault
joint
5. In what tectonic setting do normal faults typically form?
6. In what tectonic setting do thrust faults typically form?
7. How do mountains form at the following types of plate boundaries?
Andean-type mountains
continental collision zones
Laramide orogeny/Rocky Mountains