Question 1

What is the modern theory for orogenesis?

Accepted Answer

A)  geosynclinal theory
B)  shrinking earth model
C)  expanding earth theory
D)  plate tectonics theoryE) B) and C)
F) None of the above

Question 2

Refer to the figure below,captured from Google Earth,for the following questions. 
-This mountain belt would be called ________.

Accepted Answer

A)  a collisional mountain belt
B)  a terrane accretion mountain belt
C)  an Andrean mountain belt
D)  fault block mountainsE) C) and D)
F) B) and D)

Question 3

Refer to the figure below,captured from Google Earth,for the following questions. 
-At location B you might expect to find a ________ basin

Accepted Answer

The answer of Refer to the figure below,captured from Google...

Question 4

Terrane accretion generally occurs along a divergent boundary between a continental plate and an oceanic plate.

Accepted Answer

A) True 
 B)False

Question 5

Most granitic batholiths represent ________.

Accepted Answer

A)  a deeply exhumed passive continental margin
B)  a deeply exhumed forearc rock assemblage
C)  magmas generated in a rift system,prior to development of a passive margin
D)  the exhumed roots of a subduction related magmatic arcE) B) and D)
F) None of the above

Question 6

Based on your knowledge of isostasy,would you expect thicker or thinner crust beneath the Caribbean Islands (e.g.,nearD)than the continental region of Venezuela to the south?

Accepted Answer

Thinner-because the ...

Question 7

Exhumed basins contain ________ rocks in the center of the structure and domes contain ________ rocks in the center.

Accepted Answer

The answer of Exhumed basins contain ________ rocks in the...

Question 8

In thrust faulting,________.

Accepted Answer

A)  grabens develop on the footwall block
B)  the crust is shortened and thickened
C)  horizontal,tensional stresses drive the deformation
D)  the hanging wall block slips downward along the thrust faultE) A) and B)
F) A) and C)

Question 9

In the figure below,which occurred first,the folding or the faulting? Briefly explain your answer.

Accepted Answer

Folding occurred first because...

Question 10

When the differential stress exceeds the strength of the material,the material will begin to undergo elastic strain.

Accepted Answer

A) True 
 B)False

Question 11

A(n)________ fault forms when the hanging wall moves down relative to the footwall .

Accepted Answer

The answer of A(n)________ fault forms when the hanging wall...

Question 12

________

Accepted Answer

The answer of ________ ...

Question 13

Was this mountain building process an Andean type mountain building event,a collisional event,or both; and what might have been subducted to produce the over-thickened oceanic crust that drove the orogeny?

Accepted Answer

The mountain building process is a combi...

Question 14

Island arc systems now on the Tibet plateau record subduction prior to the collision of India with Eurasia.Geologists would map these pre-collisional arc rocks as ________.

Accepted Answer

A)  hot spot tracks
B)  terranes
C)  rift zones
D)  pre-collisional transform zonesE) None of the above
F) B) and C)

Question 15

A(n) ________ is a thick accumulation of sediments and small tectonic blocks formed of material scraped off subducting oceanic lithosphere at a convergent margin.

Accepted Answer

A)  mass movement complex
B)  continental shelf,terrain complex
C)  accretionary-wedge complex
D)  subterranean-accumulation complexE) A) and B)
F) A) and D)

Question 16

Which letter in the figure corresponds to a "fault"?

Accepted Answer

The answer of Which letter in the figure corresponds to...

Question 17

Grabens are formed by what type of faulting?

Accepted Answer

A)  normal
B)  reverse
C)  strike-slip
D)  collisionE) A) and C)
F) None of the above

Question 18

The Tibetan plateau is high above sea level because ________.

Accepted Answer

A)  there are many active faults across Tibet that produce internal crustal thickening and uplift
B)  the extrusion of East Asia has produced structures that thicken the crust under Tibet,producing regional uplift
C)  a giant fault beneath Tibet raises it up relative to adjacent areas
D)  crustal thickening over millions of years has produced a thick crust that stands high due to IsostasyE) A) and B)
F) A) and C)

Question 19

In the figure,which of the deformations appears most similar to what might be expected along a transform plate boundary?

Accepted Answer

A)  original
B)  X
C)  Y
D)  ZE) A) and B)
F) A) and C)

Question 20

In an overturned fold,the beds have rotated ________.

Accepted Answer

A)  more than 180 degrees
B)  more than 90 degrees
C)  more than 45 degrees
D)  100 to 150 degreesE) A) and C)
F) A) and D)

Exam 10: Crustal Deformation and Mountain Building

When the differential stress exceeds the strength of the material,the material will begin to undergo elastic strain.

Correct AnswerverifiedShow Answer

A(n)________ fault forms when the hanging wall moves down relative to the footwall .

Correct AnswerverifiedShow Answer

In an overturned fold,the beds have rotated ________.

Correct AnswerverifiedShow Answer

________

Correct AnswerverifiedShow Answer

Exhumed basins contain ________ rocks in the center of the structure and domes contain ________ rocks in the center.

Correct AnswerverifiedShow Answer

Which letter in the figure corresponds to a "fault"?

Correct AnswerverifiedShow Answer

Refer to the figure below,captured from Google Earth,for the following questions. -This mountain belt would be called ________.

Correct AnswerverifiedShow Answer

In the figure below,which occurred first,the folding or the faulting? Briefly explain your answer.

Correct AnswerverifiedFolding occurred first because...View AnswerShow Answer

Based on your knowledge of isostasy,would you expect thicker or thinner crust beneath the Caribbean Islands (e.g.,nearD)than the continental region of Venezuela to the south?

Correct AnswerverifiedThinner-because the ...View AnswerShow Answer

The Tibetan plateau is high above sea level because ________.

Correct AnswerverifiedShow Answer

Most granitic batholiths represent ________.

Correct AnswerverifiedShow Answer

A(n) ________ is a thick accumulation of sediments and small tectonic blocks formed of material scraped off subducting oceanic lithosphere at a convergent margin.

Correct AnswerverifiedShow Answer

What is the modern theory for orogenesis?

Correct AnswerverifiedShow Answer

Was this mountain building process an Andean type mountain building event,a collisional event,or both; and what might have been subducted to produce the over-thickened oceanic crust that drove the orogeny?

Correct AnswerverifiedThe mountain building process is a combi...View AnswerShow Answer

Island arc systems now on the Tibet plateau record subduction prior to the collision of India with Eurasia.Geologists would map these pre-collisional arc rocks as ________.

Correct AnswerverifiedShow Answer

Refer to the figure below,captured from Google Earth,for the following questions. -At location B you might expect to find a ________ basin

Correct AnswerverifiedShow Answer

Grabens are formed by what type of faulting?

Correct AnswerverifiedShow Answer

In the figure,which of the deformations appears most similar to what might be expected along a transform plate boundary?

Correct AnswerverifiedShow Answer

In thrust faulting,________.

Correct AnswerverifiedShow Answer

Terrane accretion generally occurs along a divergent boundary between a continental plate and an oceanic plate.

Correct AnswerverifiedShow Answer

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Exhumed basins contain rocks in the center of the structure and domes contain rocks in the center.

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Folding occurred first because...
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Thinner-because the ...
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The mountain building process is a combi...
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