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44 True/False questions

  1. Fault-Zone-Fractures in rocks in along which sliding or displacement has occured

          

  2. Joints-Fractures in rocks in along which sliding or displacement has occured

          

  3. Dip-Slip Faults-Movement is parallel to dip direction

          

  4. 2 components of tilted beds-Angula (Tilt)
    -Directional (Tilt)

          

  5. Tensional Stress-Forces pulling away from each other in an opposite direction

          

  6. Strike-Slip Fault-Movement (slip) is parallel to the strike of the fault
    -Horizontal or lateral faults
    -Shear Stress
    ~ex: San Andreas Fault

          

  7. What is elastic limit?-limit to how far something can bend w/o breaking

          

  8. Tilted Beds have a Strike Measurement-Compass direction ofa line formed by the intersection of an inclined bedding plane with a horizontal plane
    -Perpendicular to the dip direction

          

  9. 2 Components to a Strike-Hinge lines
    -Axial Plane
    -Limb

          

  10. Structural Domes-Fold in which the beds dip toward a center point
    -Youngest rocks are exposed at the core

          

  11. Compressional Stress-Forces pulling away from each other in an opposite direction

          

  12. Directional (Strike)-Given in two directions

          

  13. Components of a fold-Hinge lines
    -Axial Plane
    -Limb

          

  14. Sedimentary Structures-Features found within sedimentary rocks that form during or after deposition but before lithification

          

  15. Brittle-Material will bend while under stress but will NOT return to its orginal shape after stress is removed

          

  16. 2 Types of Dip-Slip Faults-Normal Fault
    -Reverse Fault

          

  17. How to Measure a Strike & Dip-Compass direction ofa line formed by the intersection of an inclined bedding plane with a horizontal plane
    -Perpendicular to the dip direction

          

  18. Faults-Bends in layered rock

          

  19. Strain-Change in the shape & or size (volume) in response to stress

          

  20. How Rocks Behave When Stressed-Rocks response to stress depend on certain parameters

          

  21. Deformation Structures-Features found within sedimentary rocks that form during or after deposition but before lithification

          

  22. 3 Types of Stress-Columnar Joints
    -Sheet Joints
    -Vertical Joints

          

  23. Slickenside-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

          

  24. Tilted Beds have a Dip Measurement-Compass direction ofa line formed by the intersection of an inclined bedding plane with a horizontal plane
    -Perpendicular to the dip direction

          

  25. Elastic-Change in the shape & or size (volume) in response to stress

          

  26. Reverse Fault-Hangingwall down relative to footwall
    -Tensional stress

          

  27. Angular (Tilt)-How many degrees off of due North

          

  28. Ductile-Material will bend while under stress but will NOT return to its orginal shape after stress is removed

          

  29. Structural Geology-Fold in which the beds dip away from a center point
    -Olderst rocks are exposed at the core & get progressively younger toward the edge

          

  30. Angular (Strike)-How many degrees below the horizontal

          

  31. Anticline-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

          

  32. Directional (Tilt)-What direction the bed dips

          

  33. Structural Basin-Fold in which the beds dip away from a center point
    -Olderst rocks are exposed at the core & get progressively younger toward the edge

          

  34. Normal Fault-Hangingwall moves up relative to the footwall
    -Compressional stress
    -Thrust fault
    ~Low angle reverse fault
    ~less than 30 degrees

          

  35. Oblique-Slip Fault-Dip-slip & strike-slip components of movement

          

  36. 3 Phases of Strain-Compressional Stress
    -Tensional Stress
    -Shear Stress

          

  37. 3 Types of Joints-Compressional Stress
    -Tensional Stress
    -Shear Stress

          

  38. Parameters of Rock Stress-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

          

  39. Types of Folds-Anticline
    -Syncline
    -Structural Domes
    -Structural Basin

          

  40. Folds-Fractures in rocks in along which sliding or displacement has occured

          

  41. Drag Folds-Bends in layered rock

          

  42. Syncline-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

          

  43. Stress-Force per unit area
    ~lb/cm squared

          

  44. Shear Stress-Force per unit area
    ~lb/cm squared