6.This question has not been answered completely During the Mesozoic, the last s
ID: 161032 • Letter: 6
Question
6.This question has not been answered completely
During the Mesozoic, the last significant carbonate and evaporite deposition took place during:
A. Cretacous
B. Late Jurassic
C. Triassic
Point Value: 2
7.This question has not been answered completely
Coastal sand dunes of the Namibian Desert in S.W Africa is a close analogue for:
A. lower jurassic Navajo Sandstone of Utah
B. Lower Cretacous limestone of Utah
C. Triassic salt of Michigan
10.This question has not been answered completely
The top of the Sierra Nevada has been ground flat by:
A. Earthquakes
B. volcanic activity
C. Glaciers
Point Value: 2
11.This question has not been answered completely
Franciscan melange was scrapped off the downgoing:
A. Gondwana plate
B. Nazca plate
C. Farallon and Kula plates
Point Value: 2
12.This question has not been answered completely
The final phase of Cordilleran mountain building in Western N. America Known as:
A. Caldonian orogeny
B. Antler orogeny
C. Laramide orogeny
Point Value: 2
13.This question has not been answered completely
Paleomagnetic evidence suggests that the paleoequator was approaching its present relative position by:
A. Late Jurassic time
B. Late Cretaceous time
C. Late Paleozoic
Point Value: 2
14.This question has not been answered completely
The absence of evaporites from Cretaceous sediments suggests:
A. Humid conditions over N. America
B. evaporative conditions over N. America
C. None of these
Point Value: 2
15.This question has not been answered completely
Cretaceous was named from the latin word "Creta" which means:
A. salt
B. meteorite
C. chalk
Point Value: 2
16.This question has not been answered completely
Mesozoic was the "heyday" of:
A. trilobites
B. brachiopods
C. ammonoids
Point Value: 2
17.This question has not been answered completely
Cretaceous strata have long been important sources of:
A. Petroleum and coal
B. Salt
C. gypsum
Point Value: 2
18.This question has not been answered completely
Late Cretaceous fossil plants in N. America indicate:
A. N. America was close to the N. Pole
B. N. America was close to the S. Pole
C. mild temperate to subtropical cconditions
Point Value: 2
19.This question has not been answered completely
Major periods of ancient black shale deposition (like that of the Cretaceous) corresponds with:
A. times of unusually shallow transgression
B. times of unusually deep transgression
C. times of unusually deep erossion
Point Value: 2
20.This question has not been answered completely
By the end of Mesozoic, _________dominated the land.
A. ammonoids
B. millipedes
C. flowering plants
Explanation / Answer
6)B
7)A
10)C
11)C
12)C
13)B
14)A
15)C
16)C
17)A
18)C
19)B
20)C
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