Test 3 DeHon

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Anonymous
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18169
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Test 3 DeHon
Updated:
2010-05-06 22:13:26
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test 3
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  1. Rocks near the surface deform mostly as brittle
    materials
    t
  2. Beds always dip in the direction of
    younger beds.
    • (except when overturned)
    • (Not a well worded question)
  3. Faults are clearly an example of brittle strain.
    t
  4. Folds and thrust faults are caused by tension in
    the earth=s crust
    f
  5. Most sedimentary rocks were originally deposited
    as flat-lying beds.
    t
  6. The difference in the arrival time of the P and S wave is
    related to—

    A) the distance to the earthquake from the
    seismic station

    B) the intensity of the earthquake

    C) the density of the rocks through which the
    waves travel

    D) the magnitude of the earthquake
    a
  7. . Which one of the
    following is consistent with deformation by folding?

    A) the crust is thinned

    B) the crust is stretched

    C) the crust is shortened perpendicular to the fold axis

    D) folding is accompanied by normal faulting

    8. A _________ is a
    prominent ridge formed by differential erosion of a
    c
  8. A _________ is a prominent ridge formed by differential
    erosion of a

    resistant layer of dipping strata.


    A) wadi B) mesa C) hogback D) horst
    c
  9. _______ is a flat topped hill that
    is usually an indication of flat lying strata.

    A. cuesta B) horst C) wadi D) mesa
    d
  10. sea large wave created by an earthquake is properly called
    a__________.

    A) tsunami
    B) tidal surge C) rouge wave D)
    tidal bore
    a
  11. . If a deformed body
    recovers its original shape as stress is released, it is said to be:

    A) elastic B)
    brittle C)
    plastic D) fluid
    a
  12. Which of the
    following would not be characteristic of an anticline:

    A) plastic strain response B) beds dip away from the axial plane

    C) oldest beds in center D) horizontal limbs
    d
  13. A structural basin
    is simply a circular:

    A) dome B) normal fault C)
    anticline D) syncline
    d
  14. The block of
    material overlying an inclined fault plane is the:

    A) foot
    wall B) hanging wall C)
    isoclinal wall D) plunging
    wall
    b
  15. . If the hanging wall has moved down, the fault
    is:

    A) normal B)
    reverse C) thrust D) strike-slip
    a
  16. bed that dips due
    east, must strike:

    A) due west B) north-south C) North 45° East


    D) North 45° West E) dip to the east is unrelated to strike
    b
  17. If
    the surface exposures (map views) of folded beds resemble AV@s
    or horseshoes, then the folds must be:

    A) isoclinal
    B)
    overturned C) recumbent D) plunging
    d
  18. The San Andreas
    Fault system can be described as:

    A) normal
    dip-slip B) reverse oblique-slip C) strike-slip

    D) left
    lateral E)
    thrust dip-slip
    c
  19. Geologic structures
    (faults and folds) are important in oil and gas exploration

    because:

    A) structures only form where there is oil and
    gas

    B) structures can trap oil and gas

    C) structures are caused by oil and gas
    generation

    D) all geologic structures contain oil and gas
    deposits
    b
  20. A _____ is a
    fracture in bedrock along which movement has taken place.

    A) joint B) strike C) plane D) fault
    d
  21. 21. In an overturned fold, the limbs
    dip _____ .

    A) in the opposite directions

    B) in the same direction

    C) perpendicular to each other

    D) at an obtuse angle to each other
    b
  22. If the fault dips
    toward the up-thrown block, the fault is:

    A) reverse B) thrust C)
    normal D) strike-slip
    a
  23. a
    sequence of beds gets younger toward the east, then they must be dipping to the
    _____.

    A) east B) west C)
    north D) south E) no dip
    a
  24. We know what the
    mantle is made of because—

    A)
    seismic waves are able to determine mineral composition of rocks
    traversed

    B) samples of the shallow mantle
    are brought up in some volcanoes

    C)
    we have obtained samples from drill holes

    D)
    because the surface of the moon is made up of mantle material
    b
  25. Show me the Rift
    Valleys of East Africa, and I'll show you a:

    A) back arc spreading center B) converging plate boundary

    C) transform plate boundary D) diverging plate boundary
    d
  26. The Himalayan
    Mountains formed by _____.

    A) continent B continent convergence B) ocean B
    ocean convergence

    C)
    continent B ocean convergence D) spreading center
    a
  27. The Red Sea is
    interpreted as:

    A) a flooded rift valley B)
    A transform margin

    C) a convergent
    plate boundary D) a newly developed trench system
    a
  28. . Most of the world's largest mountain belts
    were formed in response to:

    A) compressional stress B) tensional stress

    C) intrusions D) metamorphism
    a
  29. The
    Basin and Range Province of the western United States are characterized by a
    large number of B

    A)
    folded mountains B) ice covered mountain peaks

    C) fault block mountains D.
    volcanoes
    c
  30. A fold that exposes
    beds that dip in toward the center of the fold is aB

    A)
    anticline B) syncline C)
    monocline D) homocline
    b
  31. The low-standing
    plains between horst-blocks areB

    A)
    anti-horst B)
    monoclines C) graben D) graboids
    c
  32. According
    to the concept of _______, "floating" mountains adjust their
    elevation in response to erosion by upward buoyancy as surface material is
    removed.

    A) delamination
    B) isostasy C)
    geosynclines D) block faulting
    b
  33. The Alps,
    Himalayas, and AppalachiansB

    A)
    have little in common B)
    are horst blocks

    C) are folded mountains D) are volcanic
    c
  34. The
    compass direction formed by the intersection of a dipping surface and a
    horizontal plane is theB

    A) strike B)
    plunge C) dip D) rake
    a
  35. Fractures in rock
    without movement along the fractures are calledB

    A)
    dips B)
    fracts C) joints D)
    ankles
    c
  36. Source
    materials for the sedimentary rocks in the Appalachian Mountains was located to
    the ________of the present day mountains.

    A)
    north B) east C)
    south D) west
    b
  37. The Coast Ranges of
    Washington, Oregon, and northern California are formed

    byB A) folding B) faulting C) laccoliths D) volcanoes
    d
  38. The Andres
    Mountains of South America are an example of mountains formed byB

    A) ocean plate-continental plate
    convergence B) stretching
    the crust

    C)
    collision of China and South America D)
    rifting
    a
  39. The Basin and Range
    topography of western United States is related to B

    A) stretching the crust B)
    squeezing the crust C) folding of
    the crust
    a
  40. The sable interior
    of the continent is know as itsB

    A)
    neutron B)
    cruton C) futon D) craton
    d
  41. The
    Texas Hill Country and the Ozark Mountains are examples of mountain or hilly
    terrain formed byB

    A)
    folding B) faulting C)
    dissection by stream erosion D)
    vocanism
    c
  42. The core of the
    Sierra Nevada Mountains and Smoky Mountains exposes B

    A)
    folded layers B) igneous rock C) volcanic rock
    b
  43. The North American
    continent has grown progressively B

    A)
    smaller by transform faulting B) larger by continental
    accretion

    C)
    taller by crustal loading D)
    fatter by sedimentation
    b
  44. term Aorogeny@
    refers toB

    A)
    a type of fold B)
    a type of fault C) volcanism D) mountain building
    d
  45. The oldest rocks in
    North America can be found inB

    A) Canada B)
    Florida C) Kansas D) California
    a
  46. Image
    represents evidence of…

    A)
    recent fault B) soil creep C)
    synclinal fold D) xenomorphism
    b
  47. The
    sedimentary beds in the idle and lower portion of the image are dipping toward

    the __________ of the frame.

    A) bottom B)
    top C) right side D. left side
    a
  48. This
    image shows…

    A) columnar jointing B)
    a complex quarry operation C) fossil
    tree trunks
    a
  49. This
    image includes a …

    A) normal fault B)
    strike slip fault C) thust fault
    c
  50. . This image also contains a…

    A) syncline B)
    anticline C) recumbent fold D)
    horst
    c

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