FREE AND STUDY GAMES ABOUT CHAPTER 3 GEOL EXAM

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FREE AND STUDY GAMES ABOUT CHAPTER 3 GEOL EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -53 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: An extensive, late Paleozoic glaciation affected southern India, southern Africa and southeastern South America.Student

Answer:

T Question 2: Today, ________ is in about the same geographic position as during late Paleozoic time.

Answer:

Antarctica Question 3: The modern-day Red Sea is explained by plate tectonics theory because it is

________.

Answer:

a rift zone that may eventually open into a major ocean if Arabia and Africa continue to separate

Question 4: Deep ocean trenches are surficial evidence for ________.

Answer:

sinking of oceanic lithosphere into the mantle at a subduction zone Question 5: Deep-oceanic trenches are most abundant around the rim of the ________ ocean basin.

Answer:

Pacific Question 6: Cooler, older, oceanic lithosphere sinks into the mantle at ________.

Answer:

subduction zones along convergent plate boundaries

Question 7: The Aleutian Islands occur at a ________

Answer:

convergent boundary on a volcanic arc above a northward-subducting Pacific plate Question 8: A very long-lived magma source located deep in the mantle is called a ________.

Answer:

hot spot

Question 9: The former late Paleozoic super continent is known as ________.

Answer:

Pangaea

Question 10: New oceanic crust and lithosphere are formed at ________.

Answer:

divergent boundaries by submarine eruptions and intrusions of basaltic magma Question 11: Where would you drill to recover samples of the oldest basalts of the oceanic crust, which are Jurassic in age?

Answer:

oceanic side of the Aleutian trench

Question 12: Wegener's continental drift hypothesis was weakened because a viable mechanism for moving the continents was lacking.

Answer:

T Question 13: ________ most effectively outline the edges of the lithospheric plates.

Answer:

Lines of earthquake epicenters Question 14: ________ first related the symmetrical magnetic patterns in seafloor basalts to seafloor spreading at a mid-ocean ridge.

Answer:

Vine and Matthews Question 15: fossil evidence - fit of the continents - paleomagnetism - paleoclimates

Answer:

paleomagnetism Question 16: Pull-apart rift zones are generally associated with a ________ plate boundary.

Answer:

divergent Question 17: The oldest rocks of the oceanic crust are found in deep ocean trenches far away from active, mid-ocean ridges.

Answer:

T Question 18: Which of the following statements apply to the asthenosphere, but not the lithosphere?

Answer:

zone in the upper mantle that deforms by plastic flowage Question 19: The volcanoes of Hawaii are localized above a deep mantle hot spot; they are not part of the East Pacific oceanic ridge.

Answer:

T

Question 20: In the early part of the twentieth century, ________ argued forcefully for continental drift.

Answer:

Alfred Wegener

Question 21: plates are moving apart from one another

Answer:

divergent

Question 22: Hawaii is the oldest island of the Hawaiian Island chain.

Answer:

F Question 23: Iceland is a good example of an island arc, formed from an oceanic-oceanic plate collision.

Answer:

F Question 24: During the geologic past, the magnetic field poles have generally been very close to Earth's rotational poles.

Answer:

T Question 25: During various times in the geologic past, the polarity of Earth's magnetic field has been reversed.

Answer:

T Question 26: The volcanoes and deep valleys of east Africa are related to a ________.

Answer:

continental rift along which parts of the African continent are beginning to slowly separate Question 27: A typical rate of seafloor spreading in the Atlantic Ocean is ________.

Answer:

• centimeters per year