Quiz_-Final-Exam

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Orange Coast College *

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A105

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Geography

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Dec 6, 2023

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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 1/33 Final Exam Started: Dec 13 at 7:28am Quiz Instructions This is the final exam for GEOL A105L - General Geology Laboratory. You have until Friday, December 16 to complete the exam. No extensions will be given!!! There is a three-hour time limit on the exam. You will need to examine the topographic map in this module to answer questions 37 through 47. th 2 pts Question 1 angular unconformity nonconformity disconformity it's not an unconformity The illustration above shows a geologic cross section. The type of unconformity displayed at B is a(n):
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 2/33 3 pts Question 2 D, E, A, C, B B, C, E, D, A A, B, C, D, E B, D, A, E, C The illustration shows a geologic cross section. From oldest to youngest, the proper order for the labels on this section is: 7 pts Question 3 915,022,587.74 A rock contains amphibole crystals that contain 31 atoms of K and 66 atoms of Ar. Calculate the age of this rock. The age of this rock is _____________ yrs. old 40 40 7 pts Question 4
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 3/33 1005800000 A rock sample has 2.67 atoms of U and 1.86 atoms of Pb. How old is the rock sample? The age is _______________ yrs old. 238 206 7 pts Question 5 254000000 A rock sample contains zircon crystals that have 1.82 atoms of U and 0.52 atoms of Pb. Calculate the age of the rock sample. The age is _______________ yrs old. 235 207 2 pts Question 6 Cannot be determined B Of the rocks A-D, which of the rocks were deposited first ?
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 4/33 C A D 2 pts Question 7 E C A F D B Cannot be determined Of the rocks A-F, which of the rocks are the oldest? 2 pts Question 8
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 5/33 Deposition of E and F Cannot be determined Tilting of A, B, C, D Which occurred first: The tilting of A, B, C and D or the deposition of E and F? 4 pts Question 9 What type of unconformity is found at the base of rock layer E?
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 6/33 None of these Disconformity Nonconformity Angular unconformity 3 pts Question 10 Erosion of surface Cannot be determined Deposition of A, B, C, D Which occurred first: The erosion of the Earth’s surface or the deposition of A, B, C, and D? 4 pts Question 11
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 7/33 Cannot be determined Younger Older Is the fault in figure older or younger than batholith Y? 4 pts Question 12
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 8/33 Erosion Cannot be determined Faulting Which occurred first: Erosion of the Earth’s surface or the fault? 4 pts Question 13
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 9/33 Older Cannot be determined Younger Is the lava flow X older or younger than rock F? 3 pts Question 14
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 10/33 Older Younger Cannot be determined Is the fault in figure older or younger than rocks A-H? 4 pts Question 15
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 11/33 Lava Flow X Batholith Y Cannot be determined Which is older, batholith Y or lava flow X? 4 pts Question 16
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 12/33 Cannot be determined E F Which rock unit is older, E or F? 4 pts Question 17
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 13/33 Cannot be determined Lava flow L Lava flow K Which occurred first, lava flow K or lava flow L? 3 pts Question 18
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 14/33 Fault M Lava flow K Cannot be determined Which occurred first, lava flow K or fault M? 3 pts Question 19
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 15/33 Cannot be determined Deposition of lava flow L Folding of rock units E, G, A, D and F Which occurred first, the folding of rock units E, G, A, D and F or the deposition of lava flow L? 3 pts Question 20
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 16/33 Cannot be determined Lava flow K J Which rock unit is older, J or lava flow K? 3 pts Question 21
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 17/33 Cannot be determined Fault M Erosion of the Earth’s surface Which occurred first, the erosion of the Earth’s surface or fault M? 3 pts Question 22
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 18/33 Disconformity None of these Angular Unconformity Nonconformity What type of unconformity is found at the base of rock layer B? 3 pts Question 23
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 19/33 None of these Pennsylvanian Mississippian Permian Devonian Using the geologic time scale above and the fossils that were abundant during each period, determine the ages of the following rock containing the fossils given:
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 20/33 3 pts Question 24 Devonian Permian Mississippian Using the geologic time scale above and the fossils that were abundant during each period, determine the ages of the following rock containing the fossils given:
12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 21/33 Pennsylvanian None of these 3 pts Question 25 None of these Using the geologic time scale above and the fossils that were abundant during each period, determine the ages of the following rock containing the fossils given:
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 22/33 Pennsylvanian Devonian Mississippian Permian 3 pts Question 26 Plunging Syncline Anticline Plunging Anticline Using the figure below and your responses from questions 24 and 25 to answer the following. The rock unit at 5 contains the assemblage of fossils found in question 24, and the rock unit at 1 contains the assemblage of fossils found in question 25. Based on this information, what type of structure is shown?
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 23/33 Syncline None of these 3 pts Question 27 Right lateral strike-slip None of these Reverse Normal Left lateral strike-slip Based on relationships shown by the rock layers, what type of fault is shown in the diagram below? 3 pts Question 28
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 24/33 Anticline Syncline None of these Plunging Syncline Normal Fault Reverse Fault Plunging Anticline Based on the strike and dip relationships shown by the rock layers at the surface, what sort of structure is displayed? 3 pts Question 29
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 25/33 Plunging Syncline Syncline Anticline Reverse Fault None of these Normal Fault Plunging Anticline Based on the relationships displayed by the rock layers and strike and dip symbols, what sort of geologic structure is displayed? 3 pts Question 30 Based on the block diagram below and given that the oldest rock is at 1 and youngest is at 3, which direction are these rock layers dipping? (Assume North is in the
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 26/33 They are not dipping (horizontal layers) West North South East direction of the arrow shown) 2 pts Question 31 Rock layer 1 is the oldest layer. What type of structure is indicated in the diagram?
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 27/33 anticline cannot be determined from the diagram plunging syncline plunging anticline syncline dipping layers only 2 pts Question 32 plunging anticline syncline dipping layers only cannot be determined from the diagram Rock layer 1 is the oldest layer. What type of structure is indicated in the diagram?
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 28/33 plunging syncline anticline 4 pts Question 33 dipping layers only anticline syncline plunging syncline plunging anticline cannot be determined from the diagram Rock layer 1 is the oldest layer. What type of structure is indicated in the diagram? 4 pts Question 34 Rock layer 1 is the oldest layer. What type of structure is indicated in the diagram?
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 29/33 plunging anticline dipping layers only anticline cannot be determined from the diagram syncline plunging syncline 4 pts Question 35 dipping layers only cannot be determined from the diagram plunging anticline syncline What type of structure is indicated in the diagram?
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 30/33 plunging syncline anticline 4 pts Question 36 anticline plunging anticline plunging syncline cannot be determined from the diagram dipping layers only syncline What type of structure is indicated in the diagram? 2 pts Question 37 Mt. Morrison California What is the name of the topographic map?
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 31/33 1 pts Question 38 17 What is the magnetic declination for this map? __________ degrees 2 pts Question 39 What is the latitude of the northwest corner of the map? 38 degrees, 00 minutes 2 pts Question 40 What is the longitude of the northwest corner? 119 degrees, 15 minutes 2 pts Question 41 What is the location of Wilson Butte in terms of the PLSS? (break it down to 1/4 1/4 section, 1/4 section, section, Township and Range)
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 32/33 SW 1/4 1/4 section, of 1/4 Section, Section 8 , Township T2S , Range R27E 2 pts Question 42 1:24000 What is the scale of this map? 2 pts Question 43 80 What is the contour interval of this map? 2 pts Question 44 Limestone and Rhyolitic volcanic r What type of rock would you expect to find in the valley between Grant Lake and Mono Lake? 2 pts Question 45
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12/13/22, 9:17 AM Quiz: Final Exam https://coastdistrict.instructure.com/courses/101145/quizzes/623505/take 33/33 Quiz saved at 9:17am 8431 What is the elevation (in feet) of Williams Butte? 2 pts Question 46 6.2 Approximately how far is it (in miles) from the northernmost point of Grant Lake to the closest southern point of Mono Lake? __________ 1 pts Question 47 COUGAR What is the name of the map located immediately to the southwest? Submit Quiz
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