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© 2011 Pearson Education, Inc. Earth: An Introduction to Physical Geology 10th Edition Classroom Response System Questions Chapter 14
© 2011 Pearson Education, Inc.
Earth: An Introduction to Physical Geology
10th Edition
Classroom Response System Questions
Chapter 14
© 2011 Pearson Education, Inc.
A. An earlier continental margin broke apart and the geologically similar fragments were tectonically reassembled.
B. Geologically different, microcontinent-sized fragments and terranes, formed elsewhere, were tectonically accreted to North America.
C. A massive subcontinent of old igneous and metamorphic rocks (similar to India) was accreted during late Proterozoic time.
D. Tightly folded continental shelf strata were squeezed between North America and the convergent Bering-Siberian subcontinent.
14.01 Which of the following best describes the geology of the Pacific coastal regions of western North America including Alaska?
© 2011 Pearson Education, Inc.
A. An earlier continental margin broke apart and the geologically similar fragments were tectonically reassembled.
B. Geologically different, microcontinent-sized fragments and terranes, formed elsewhere, were tectonically accreted to North America.
C. A massive subcontinent of old igneous and metamorphic rocks (similar to India) was accreted during late Proterozoic time.
D. Tightly folded continental shelf strata were squeezed between North America and the convergent Bering-Siberian subcontinent.
14.01 Which of the following best describes the geology of the Pacific coastal regions of western North America including Alaska?
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A. of folded quartz sandstone and shallow-water marine limestone
B. exclusively of granite batholiths and rhyolite welded tuffsC. mainly of organic-rich black shales and beach-type
sandstonesD. mainly of basaltic lava flows and minor coralline limestone
14.02 An exotic terrane created by a seamount accreted to a continental margin would be composed ____________.
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A. of folded quartz sandstone and shallow-water marine limestone
B. exclusively of granite batholiths and rhyolite welded tuffsC. mainly of organic-rich black shales and beach-type
sandstonesD. mainly of basaltic lava flows and minor coralline
limestone
14.02 An exotic terrane created by a seamount accreted to a continental margin would be composed ____________.
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A. on a passive-margin continental shelfB. in an arc of stratovolcanoes far inland from a convergent
marginC. along the boundary between two Precambrian shield areasD. in an accretionary wedge shoved onto an active, continental
margin
14.03 The severed upper part of a Jurassic seamount might occur as a distinctive small terrane ____________.
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A. on a passive-margin continental shelfB. in an arc of stratovolcanoes far inland from a convergent
marginC. along the boundary between two Precambrian shield areasD. in an accretionary wedge shoved onto an active,
continental margin
14.03 The severed upper part of a Jurassic seamount might occur as a distinctive small terrane ____________.
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A. Large fault blocks of Archean igneous and metamorphic rocks rose as the former Asian and European plates joined to form Eurasia.
B. Marine strata in a basin between the former Asian and European plates were squeezed, folded, and uplifted as the two joined to form the Eurasian plate.
C. Active, normal faulting elevated large mountain blocks above the level of the vast plains on both sides of the range.
D. An active volcanic arc, similar to the present-day Aleutian Islands, rose along the southern edge of the Eurasian plate.
14.04 How were the Ural Mountains in Russia formed?
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A. Large fault blocks of Archean igneous and metamorphic rocks rose as the former Asian and European plates joined to form Eurasia.
B. Marine strata in a basin between the former Asian and European plates were squeezed, folded, and uplifted as the two joined to form the Eurasian plate.
C. Active, normal faulting elevated large mountain blocks above the level of the vast plains on both sides of the range.
D. An active volcanic arc, similar to the present-day Aleutian Islands, rose along the southern edge of the Eurasian plate.
14.04 How were the Ural Mountains in Russia formed?
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A. Stream downcutting following a drop in sea levelB. Arching of strata at the center of a domeC. Numerous aftershocks associated with deep-focus
earthquakesD. Uplift of areas recently covered by thick, continental ice
sheets
14.05 Which one of the following is an example of an isostatic movement?
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A. Stream downcutting following a drop in sea levelB. Arching of strata at the center of a domeC. Numerous aftershocks associated with deep-focus
earthquakesD. Uplift of areas recently covered by thick, continental ice
sheets
14.05 Which one of the following is an example of an isostatic movement?
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A. No, crustal deformation has acted on every land mass above sea level.
B. No, there must be orogenesis and convergence to produce mountains.
C. Yes, the Piedmont section of the eastern Appalachians that is flat and high formed without crustal deformation.
D. Yes, plateaus are topographic highs which have been uplifted without orogenesis.
14.06 Are there mountains that have been formed without crustal deformation?
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A. No, crustal deformation has acted on every land mass above sea level.
B. No, there must be orogenesis and convergence to produce mountains.
C. Yes, the Piedmont section of the eastern Appalachians that is flat and high formed without crustal deformation.
D. Yes, plateaus are topographic highs which have been uplifted without orogenesis.
14.06 Are there mountains that have been formed without crustal deformation?
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A. volcanism.B. subduction of the Pacific plate.C. Both A and BD. Neither A nor B
14.07 The Aleutian Islands of Alaska were produced by
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A. volcanism.B. subduction of the Pacific plate.C. Both A and BD. Neither A nor B
14.07 The Aleutian Islands of Alaska were produced by
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A. amalgamates inactive volcanic islands onto a main continent during subduction.
B. creates island arcs during the process of subduction.C. creates microcontinents through crustal fragmentation.D. creates mountain belts from the collision and merger of small
crustal fragments.
14.08 The process of accretion
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A. amalgamates inactive volcanic islands onto a main continent during subduction.
B. creates island arcs during the process of subduction.C. creates microcontinents through crustal fragmentation.D. creates mountain belts from the collision and merger of small
crustal fragments.
14.08 The process of accretion
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A. deep-sea fan B. turbidite C. sea drift D. accretionary wedge E. tectonite
14.09 A(n) is an accumulation of sediment scraped from a subducting oceanic plate.
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A. deep-sea fan B. turbidite C. sea drift D. accretionary wedge E. tectonite
14.09 A(n) is an accumulation of sediment scraped from a subducting oceanic plate.
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A. oceanic-continental B. oceanic-oceanic C. continental-continental D. All of the above E. None of the above
14.10 The convergence between the North American Plate and the Pacific Plate along the western coast of the United States is an example of __________ plate convergence.
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A. oceanic-continental B. oceanic-oceanic C. continental-continental D. All of the above E. None of the above
14.10 The convergence between the North American Plate and the Pacific Plate along the western coast of the United States is an example of __________ plate convergence.
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A. Shallow- B. Intermediate- C. Deep- D. All of the above E. None of the above
14.11 __________ focus earthquakes occur closest to deep-ocean trenches.
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A. Shallow- B. Intermediate- C. Deep- D. All of the above E. None of the above
14.11 __________ focus earthquakes occur closest to deep-ocean trenches.
