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In the figure below,a _____ is formed when a stream enters a standing body of water. In the figure below,a _____ is formed when a stream enters a standing body of water.

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Breccia is a clastic sedimentary rock composed primarily of angular,gravel-size clasts.

A) True
B) False

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In the figure below,_____ are formed in wet and dry environments. In the figure below,_____ are formed in wet and dry environments.   A) ripple marks B) mud cracks C) footprints D) cross beds E) banded iron formation


A) ripple marks
B) mud cracks
C) footprints
D) cross beds
E) banded iron formation

F) A) and C)
G) C) and E)

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A _____ is a wave-resistant structure that is built from marine invertebrates.


A) turbidite
B) pyroclast
C) banded iron formation
D) reef
E) none of the above

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

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A turbulent,gravity driven flow consisting of water and sediment is known as a _____.


A) evaporite
B) alluvial fan
C) turbidity current
D) continental shelf
E) calcareous ooze

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

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Silt,when lithified,forms _____.

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Which of the following is a category of sedimentary rocks formed by the precipitation of minerals dissolved in a lake,river,or seawater?


A) clastic
B) biogenic
C) chemical
D) turbidites
E) diagenetic

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

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Explain the differences between sorting and roundness.

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Sorting refers to the range of sediment ...

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_____ is the reduction of pore space in sediment as a result of the weight of the overlying sediments.


A) evaporation
B) compaction
C) cementation
D) lithification
E) accretion

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

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Discuss the classification of clastic sedimentary rocks based on their predominant grain size.

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The four grain sizes discussed in the ch...

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The figure below shows a sedimentary structure that is formed by wind. The figure below shows a sedimentary structure that is formed by wind.

A) True
B) False

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Coal is classified as a chemical sedimentary rock.

A) True
B) False

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Quartz grains tend to have high sphericity and roundness.

A) True
B) False

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A fine-grained,light-brown,wind-blown sediment is known as _____.

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A _____ is the type of depositional environment shown below,which can be found in warm oceanic areas. A _____ is the type of depositional environment shown below,which can be found in warm oceanic areas.

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The figure below shows an excellent example of bedding. The figure below shows an excellent example of bedding.

A) True
B) False

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A _____ is a sedimentary deposit that forms where a stream enters a standing body of water.


A) delta
B) turbidite
C) reef
D) back arc basin
E) banded iron formation

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

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If peat is subjected to increasing heat and pressure due to deeper burial,it may become coal.

A) True
B) False

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The figure below shows what type of sedimentary rock? The figure below shows what type of sedimentary rock?   A) clastic B) biogenic C) chemical D) evaporitic E) none of the above


A) clastic
B) biogenic
C) chemical
D) evaporitic
E) none of the above

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

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The figure below shows a good example of which type of sedimentary structure? The figure below shows a good example of which type of sedimentary structure?   A) ripple marks B) mud cracks C) footprints D) cross beds E) banded iron formation


A) ripple marks
B) mud cracks
C) footprints
D) cross beds
E) banded iron formation

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

Correct Answer

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