Filters
Question type

Study Flashcards

How are and divergent plate boundaries related to constructive and destructive plate margins?

Correct Answer

verifed

verified

The terms convergent and divergent refer...

View Answer

All of the following are true of the Wilson Cycle except:


A) the Wilson Cycle is a technique used to date ocean sediments.
B) the Wilson Cycles describes the formation of seafloor features.
C) the Wilson Cycle predicts the movement of lithospheric plates.
D) the Wilson Cycle uses plate tectonic processes to describe the development of ocean basins.
E) the Wilson Cycle was named in honor of geophysicist John Tuzo Wilson.

F) C) and D)
G) A) and B)

Correct Answer

verifed

verified

The Hawaiian Islands-Emperor Seamount Chain was formed:


A) at a subduction zone in the Pacific Ocean.
B) by magma from the upper mantle rising to the surface.
C) formed when the Pacific plate moved across a hotspot.
D) is associated with a trench.
E) parallels a Pacific Ocean subduction zone.

F) A) and C)
G) A) and B)

Correct Answer

verifed

verified

Which of the following is characteristic of oceanic-oceanic convergent plate boundaries?


A) andesitic volcanoes
B) fracture zones
C) hot spots
D) mid-ocean ridges
E) volcanic island arcs

F) All of the above
G) A) and E)

Correct Answer

verifed

verified

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. -Choose the one option that does not fit the pattern.


A) hydrothermal vents
B) island arc
C) mountains
D) oceanic trench
E) volcanoes

F) C) and D)
G) None of the above

Correct Answer

verifed

verified

Which of the following statements best describes the relationship between Earth's geographic and magnetic poles?


A) The geographic pole and the magnetic pole are always the same.
B) The geographic pole wobbles, but stays near the magnetic pole.
C) The geographic poles have reversed themselves periodically through geologic time.
D) The location of the magnetic pole is unrelated to the location of the geographic pole.
E) The magnetic pole wobbles, but stays near the geographic pole.

F) B) and C)
G) B) and E)

Correct Answer

verifed

verified

The relatively young age of the seafloor supports the idea that subduction must take place.

A) True
B) False

Correct Answer

verifed

verified

Match the appropriate phrase with correct term

Premises
depression along ridge axis
ancient precursor of the Pacific Ocean
supercontinent 200 million years ago
study of changes in the character of oceans due to geographic changes
study of magnetism over geologic time
Responses
paleogeology
paleoceanography
paleomagnetism
subduction zone
Panthalassa
Gondwanaland
rift valley
Laurasia
Pangea

Correct Answer

paleogeology
paleoceanography
paleomagnetism
subduction zone
Panthalassa
Gondwanaland
rift valley
Laurasia
Pangea

The seafloor magnetic pattern is best described as:


A) not related to the location of oceanic ridges.
B) parallel to and symmetric about ocean ridges.
C) parallel to, but not symmetric about ocean ridges.
D) perpendicular to and symmetric about ocean ridges.
E) perpendicular to, but not symmetric about ocean ridges.

F) B) and C)
G) A) and B)

Correct Answer

verifed

verified

How is the age of the ocean sediments related to the distance from a mid-ocean ridge?

Correct Answer

verifed

verified

Since mid-ocean ridges are constructive ...

View Answer

The oldest rocks are located at mid-ocean ridges.

A) True
B) False

Correct Answer

verifed

verified

Vine and Matthews determined that new ocean floor was being produced at ocean ridges by examining:


A) apparent polar wandering.
B) fossils in marine sediments.
C) glacial debris at various locations.
D) the location of ancient coral reefs.
E) the magnetic pattern on the seafloor.

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

Which of the following is associated with convergent plate boundaries on the seafloor?


A) crest of the mid-ocean ridge
B) deep sea trenches
C) deep focus earthquakes
D) island arcs
E) offset of the mid-ocean ridge

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

A rift valley is associated with divergent plate boundaries.

A) True
B) False

Correct Answer

verifed

verified

Continental drift was confirmed through the use of the:


A) age of rocks on distant continents.
B) location of ancient coral reefs.
C) location of deep sea trenches.
D) location of magnetic poles through geologic time.
E) the shape of the continental margins.

F) A) and E)
G) A) and B)

Correct Answer

verifed

verified

Moving from oceanic ridge to oceanic trench, the thickness of the lithosphere:


A) decreases in proportion to the distance.
B) is unrelated to the distance from the ridge.
C) increases in proportion to the distance.
D) randomly varies.
E) remains the same.

F) None of the above
G) A) and C)

Correct Answer

verifed

verified

The Mid-Atlantic Ridge is an example of a:


A) convergent boundary (continent-continent) .
B) convergent boundary (continent-oceanic) .
C) convergent boundary (oceanic-oceanic) .
D) divergent boundary.
E) transform fault boundary.

F) A) and D)
G) A) and C)

Correct Answer

verifed

verified

The San Andreas Fault:


A) is a continental transform fault.
B) is an oceanic transform fault.
C) is associated with deep focus earthquakes.
D) lies next to the Mendocino Fracture Zone.
E) is located in the Juan de Fuca Plate.

F) A) and B)
G) All of the above

Correct Answer

verifed

verified

rift valley


A) divergent plate boundary
B) convergent plate boundary

C) A) and B)
D) undefined

Correct Answer

verifed

verified

How has seismic activity been used in our understanding of plate boundaries?

Correct Answer

Answered by ExamLex AI

Answered by ExamLex AI

Seismic activity has been crucial in our...

View Answer

Showing 21 - 40 of 61

Related Exams

Show Answer