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44 Multiple choice questions

  1. -Angular (Strike)
    -Directional (Stike)
  2. -Forces pulling away from each other in an opposite direction
  3. -Change in the shape & or size (volume) in response to stress
  4. -How many degrees below the horizontal
  5. -Fold shaped like an arch
    -Oldest rocks in the center (core) of the fold getting progressively younger toward the edge
    -Beds dip away from hinge line
  6. -Compass direction ofa line formed by the intersection of an inclined bedding plane with a horizontal plane
    -Perpendicular to the dip direction
  7. -Fractures or cracks in a rock body in which no displacement has occured
  8. -Anticline
    -Structural Domes
    -Structural Basin
  9. -Given in two directions
  10. -Zone of broken rock that was ground up by fault movement
  11. -How many degrees off of due North
  12. -Bends in layered rock
  13. -Movement is parallel to dip direction
  14. -Dip-slip & strike-slip components of movement
  15. -What direction the bed dips
  16. -Forces push the rock together from opposite directions
  17. -Find an exposed outcrop
    -Find a smooth surface or create one
    -Use Brunton Compass
  18. -Hangingwall down relative to footwall
    -Tensional stress
  19. -Rocks response to stress depend on certain parameters
  20. -Elastic
  21. -Movement (slip) is parallel to the strike of the fault
    -Horizontal or lateral faults
    -Shear Stress
    ~ex: San Andreas Fault
  22. -Angle that a bedding plane dips below the Earth's surface
    -two components
  23. -Material fractures at stresses higher than the strength of that material
  24. -Fold in which the beds dip away from a center point
    -Olderst rocks are exposed at the core & get progressively younger toward the edge
  25. -Force per unit area
    ~lb/cm squared
  26. -Hinge lines
    -Axial Plane
  27. -Stresses act parallel to a plane
  28. -Material will bend while under stress but will NOT return to its orginal shape after stress is removed
  29. -Compressional Stress
    -Tensional Stress
    -Shear Stress
  30. -Minor folds produced by movement two fault blocks in opposite directions
  31. -Features that result from the deformation of the earth's crust after lithification
  32. -Columnar Joints
    -Sheet Joints
    -Vertical Joints
  33. -Amount of stress applied
    -Rate at which stress is applied
    -The composition of the rock
    -Temperature at which rock is strained
    -Pressure at which rock is strained
  34. -Fold in which the beds dip toward a center point
    -Youngest rocks are exposed at the core
  35. -Deformed material that recovers its original shape after stress is reduced or removed
  36. -Fold shaped like a trough
    -Youngest rocks are in the core of the fold & get progressively older toward the edge
    -Rock beds dip toward hinge line
  37. -Angula (Tilt)
    -Directional (Tilt)
  38. -Polished & striated rock surface
  39. -Fractures in rocks in along which sliding or displacement has occured
  40. -Hangingwall moves up relative to the footwall
    -Compressional stress
    -Thrust fault
    ~Low angle reverse fault
    ~less than 30 degrees
  41. -Normal Fault
    -Reverse Fault
  42. -limit to how far something can bend w/o breaking
  43. -the study of how rocks are deformed by Earth's force after lithification
  44. -Features found within sedimentary rocks that form during or after deposition but before lithification