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20 Matching questions

  1. A deeply eroded, structural basin would exhibit ________.
  2. A horst is ________.
  3. A graben is characterized by ________.
  4. Normal and reverse faults are characterized mainly by ________.
  5. The Michigan geologic map shows older, Paleozoic strata (in roughly circular patterns) surrounding a core area of Pennsylvanian rocks. What is this structure?
  6. Which one of the following best describes the geology of the Black Hills region in South Dakota?
  7. The mountains and valleys of the Basin and Range Province of the western United States formed in response to ________.
  8. A reverse fault is one in which ________.
  9. A syncline is ________.
  10. Which one of the following is true for anticlines but not for synclines?
  11. ________ are the products of horizontally directed, tensional stresses.
  12. A transform fault is ________.
  13. The Great Rift Valley of East Africa is characterized by ________.
  14. A ________ is a prominent ridge formed by differential erosion of tilted, alternating hard and soft strata.
  15. A thrust fault is best described as ________.
  16. In thrust faulting, ________.
  17. A ________ fault has little or no vertical movements of the two blocks.
  18. The ________ in California is the boundary between the North American and Pacific plates.
  19. In a normal fault ________.
  20. Which one of the following is consistent with deformation by folding?
  1. a The deeper strata are buckled upward along the fold axis.
  2. b an elongate dome cored by Proterozoic igneous and metamorphic rocks
  3. c a strike-slip fault that forms the boundary between tectonic plates
  4. d basin
  5. e a low-angle, reverse fault
  6. f tensional stresses and normal-fault movements
  7. g dip slip
  8. h the crust is shortened and thickened
  9. i the hanging wall block above an inclined fault plane moves downward relative to the other block
  10. j a fold in which the strata dip toward the axis
  11. k strata oriented in roughly circular, outcrop patterns
  12. l Horizontal distance is shortened perpendicular to fold axes.
  13. m San Andreas strike-slip fault
  14. n Normal faults
  15. o a hanging wall block that has moved down between two normal faults
  16. p the hanging wall block has moved up relative to the footwall block along an inclined fault
  17. q mainly normal faulting as East Africa begins to fragment
  18. r strike slip
  19. s an uplifted block bounded by two normal faults
  20. t hogback