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Geology 101 Final Exam Review Part 2 - Electric Boogaloo Flashcards | StudBud
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Geology 101 Final Exam Review Part 2 - Electric Boogaloo
Geology 101 Final Exam Review Part 2 - Electric Boogaloo
95 terms
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Chapters 9, 11, 15, 16 & 20
Flashcards
95 cards
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Practice quiz
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Questions
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Answers
1
This diagram shows a(n)....
Anticline
Syncline
Plunge
Dome
2
Which of the 3 seismic wave types arrive first at a recording station & tend to have the lowest amplitude?
Secondary (s-waves or shear waves)
Primary (p-waves)
Surface
3
The 3 types of seismic waves are....
Primary, Secondary & Lateral
Surface & Body (divided into p-waves & s-waves)
Hadley, Polar & Vector
Surface & Planar (divided into d-waves & shear waves)
4
Pressure ___________ as one moves from the lower to upper atmospheric layers
Does not change
Decreases
Increases
5
Consequences of global warming include (select as many that apply)
Increased permafrost
Increased volcanism
Increased oceanic acidity
Sea level rise
6
What is forced out when glacial ice forms from snow moving to firn?
Rock
Water
Air
7
Synclines plunge which way?
Synclines don't plunge - only anticlines do
Towards the nose
Away from the nose
8
This depositional landform is composed of extensive blankets of silt once carried in suspension by the wind
Graded bedding
Cross bedding
Loess
Dunes
9
Earthquake magnitude scales are quantitative/mathmatical
True
False
10
The 3 components influencing dune form are..... (pick 3)
Sand supply
Vegetation
Bedrock
Wind strength and direction
11
The 4 orientations of anticlines & synclines are....
There are only 2 orientations - up and sideways
Reverse, normal, strike-slip & thrust
Symmetrical, asymmetrical, overturned & recumbant
Up, down, left, right
12
This diagram shows a __________ with the __________ layers in the center.
Dome; younger
Basin; younger
Dome; older
Basin; older
13
In a convergent boundary, this happens to the crust.
It thins
It thickens
Nothing happens
14
_________ is the amount of displacement on the fault surface
Fault slip
Yardang
Abrasion
Epicenter
15
Continental volcanic arcs and volcanic island arcs differ in...
There is no difference between them
Their formation from different types of convergence - O/C vs. O/O
One is divergent; the other convergent
Both are divergent but from different parts of the ocean floor
16
What happens to rocks if compressional stress is applied to ductile rock material?
Faulting
Folding
Thinning
17
What is a seiche?
Volcanic material moving downhill at great speed
Rhythmic sloshing of water in lakes/enclosed basins during an earthquake
Glacially deposited sediments
A desert artifact from abrasion
18
__________ is defined as ground shaking caused by sudden and rapid movement of one block of rock sliding past another
Fault
Earthquake
Elastic Rebound
Jointing
19
Fractures in the crust where rocks slide past each other are called....
Epicenters
Moment Magnitude
Faults
Abrasion
20
Mountainous regions can contribute to dry areas via rainshadows.
False
True
21
What is the main difference between glacial till & stratified drift?
Till is not sorted & deposited by ice melt vs. meltwater
Stratified drift is not sorted & deposited by meltwater
Till is sorted and deposited by meltwater
Stratified drift is sorted & deposited by ice melt vs. meltwater
22
Strike-slip (Transform) faults have a hanging wall and footwall
False
True
23
Snow/ice crystals become more dense & compact the deeper you go into a glacier.
True
False
24
Orogenesis produces large quantities of this type of rock within the mountain belts, from low to high grade zones
Igneous
Sedimentary
Metamorphic
25
This diagram shows a __________ with the ____________ layers in the middle.
Dome; younger
Dome; older
Basin; younger
Basin; older
26
The hotter the body, the __________ the wavelengths of maximum radiation are & the more total energy radiated.
Longer
Amplitude
Shorter
Frequency
27
The terms hypocenter and epicenter mean the same thing
True
False
28
What type of fault is this?
Thrust
Strike-slip
Normal
Reverse
29
Shear stress is associated with which type of faulting?
Strike-slip
Reverse
Normal
30
Earth's response to humanity releasing large quantities of CO2 into the atmosphere is called....
Trace Gas Release
Methane's Revenge
CFC Depletion
The Greenhouse Effect
31
Earthquake intensity scales are qualitative - not mathematical
True
False
32
Ice under pressure behaves as a plastic material causing glacial ice to move as a flow more on top & in the middle.
False
True
33
The footwall is on the....
Left
Right
34
These types of streams only carry water in response to specific rainfall periods & are responsible for desert erosion.
Dry beds
Ephemeral
Perennial
Alluvial fans
35
These form fan-shaped deposits of sediment at the base of hills and mountains.
Deltas
Till
Alluvial fans
Pluvial fans
36
Causes of glacial/interglacial periods include....
All of these
Atmospheric changes & Earth's reflectivity
Milankovitch cycles
Plate tectonics
37
Which are factors affecting rock deformation?
Rock Type
Confining Pressure
Time
Temperature
38
Young lithospheric material that is subducting....
Is warm and buoyant
Produces shallower trenches
Subducts at a lower angle
All of these
39
During glacial periods, sea level drops & the crust subsides in response to more ice on the continents.
False
True
40
This is the study of earthquake waves
Seismology
Volcanology
Meteorology
Epidemiology
41
Seismic waves create more destruction in loose sedimentary rock than in metamorphic bedrock
False
True
42
Perennial streams do not exist in desert regions.
False
True
43
If you see a boulder in Central Park, NYC, you are likely looking at a _________.
Yardang
Ventifact
Desert pavement
Glacial erratic
44
The upper 50 meters of a glacier where it is brittle & crevasses form is called the ____________________.
Zone of accumulation
Zone of fracture
Basal slip
Snowline
45
Glaciers are not as capable of great erosion & sediment transport than wind.
False
True
46
Stress that is applied uniformly in all directions is called differential stress
False
True
47
Ice shelves are thicker on the seaward side than the landward side.
False
True
48
What type of fault is this?
Normal
Reverse
Thrust
Strike-slip
49
These are small earthquakes that follow major earthquakes
Fault Scarps
Aftershocks
Foreshocks
Tsunamis
50
This is the process that collectively produces a mountain belt.
Calving
Heavy bombardment
Orogenesis
Transform faulting
51
Suspended loads from wind transport can move across oceans to other continents.
True
False
52
Most earthquakes occur along pre-existing faults
False
True
53
This is the breaking off of large pieces of ice where glaciers reach a water body.
Kame
Calving
Tarn
Accumulation
54
Ephemeral streams usually reach the ocean or a large body of water.
False
True
55
Compressional stress is associated with which type of faulting?
Reverse/thrust
Normal
Strike-slip
56
The ___________ is where the earthquake actually occurs & the ____________ is the point on the ground directly above it
hypocenter; epicenter
epicenter; hypocenter
inner core; outer core
fault scarp; seismic wave
57
These are when multiple alluvial fans join; whereas ______ form from dried playa lakes.
Playas; inselbergs
Inselbergs; bajadas
Salt flats; bajadas
Bajadas; salt flats and playas
58
Earthquake size is determined by 2 measures - what are they?
Richter and Moment Magnitude
Modified Mercalli Intensity Scale (MMIS) & Fault Scarp Displacement Scale
Intensity scales (MMIS) & Magnitude (Richter/Moment Magnitude)
Intensity scales (Richter & Moment Magnitude) & Magnitude (MMIS)
59
What is the difference between brittle & ductile deformation?
Ductile breaks rock; brittle folds, thins or bends rock
Brittle = breakage = faulting. Ductile thins, folds or bends rock w/o break
No difference between them
60
Deformed rocks that "snap back" to their original position after rock breakage is called
Elastic rebound
Tensional stress
Landslide
61
The height of wind transported bedload rarely exceeds....
100 feet
10 feet
1 meter
50 meters
62
Which type of body wave behaves like a slinky being compressed & expanded?
Secondary (s-waves or shear waves)
Surface
Primary (p-waves)
63
What type of fault is this?
Strike-slip
Thrust
Normal
Reverse
64
Anticlines & Synclines are examples of brittle deformation features.
False
True
65
Examples of paleoclimatology using proxy data include (can select several)
Human historic accounts
Seafloor sediment core & ice core analysis
Fossilized pollens & corals
Tree rings
66
Which of the 3 types of seismic waves create most destruction through 2 general motions of direction & highest amplitude
Primary (p-waves)
Surface
Secondary (s-waves or shear waves)
67
These are fractures in a rock where there has been no rock movement
Faults
Joints
Yardangs
Kames
68
Loss of ice at the lower end of a glacier is called...
Accumulation
Ventifaction
Ablation
Abrasion
69
A series of large ocean waves created by mass wasting and earthquake megathrust faulting are called _______________
Fault scarps
Storm surges
Pyroclastic flows
Tsunamis
70
Wind is responsible most of the erosion in desert environments.
False
True
71
In fault-block mountains, the uplifted blocks are called__________, and the down dropped blocks are called__________.
Horsts; grabens
Detachments; faults
Hanging walls; foot walls
72
The hanging wall is on the....
Right
Left
73
This diagram shows a(n)....
Plunge
Basin
Anticline
Syncline
74
The difference between weather & climate is....
Weather is day to day & climate covers longer timeframes (decades)
Climate is day to day, but weather covers longer timeframes
There is no difference between them.
75
What is the primary difference between alpine glaciers & ice sheets?
One causes erosion, the other doesn't
Size
One moves and the other doesn't
One melts/retreats and the other doesn't
76
In fault block mountains, what type of faulting is involved?
Strike-slip
Normal
Reverse/thrust
77
For a glacier to form, what does the snowfall rate need to exceed?
It doesn't need to exceed anything
100 cubic meters per day
50 cubic meters per day
The melt rate
78
Which of the 2 body waves can travel through solid material only?
Primary (p-waves)
Secondary (shear or s-waves)
Surface
79
Valley glaciers create sharp and angular topography like hanging valleys and truncated spurs.
False
True
80
Deserts & steppes have water deficiencies because....
evaporation & precipitation rates are irrevelant
Evaporation = precipitation
Evaporation > precipitation
Precipitation > evaporation
81
Mantle plumes can raise whole regions of continents
True
False
82
This theory, which is the major underpinning of geologic processes, provides the model for orogenesis
Original horizontality
Superposition
Plate tectonics
83
What type of fault is this?
Thrust
Strike-slip
Normal
Reverse
84
Glaciers encompass which two basic cycles?
O2 and CO2
Rock & Roll
CO2 & Rock
Hydrologic & Rock
85
Strike & dip lines are perpendicular to each other when drawn on a map.
False
True
86
Which types of atmospheric cells move drier air to the Tropics of Cancer & Capricorn?
Vortices
Jet Streams
Hadley
Polar
87
Pick the two answers that describe how transportation of sediment by wind differs from that of water
Wind is less capable of picking up and transporting coarse/large material
Wind is not confined to channels and can spread sediment over large areas
Both have dissolved loads & suspended loads but water lacks a bed load
Both have suspended & bed loads, but water also has a dissolved load.
88
Ozone is considered necessary in the troposphere for blocking out UV rays.
True
False
89
Loosely packed, waterlogged sediments behaving as a fluid in an earthquake is called ______________
Subsidence
Bedrock movement
Liquefaction
Focal point
90
Along the ground, glacial ice masses slide in a process called _________.
Zone of wastage
Plastic flow
Basal slip
Zone of Accumulation
91
Tensional/Extensional Stress is associated with what type of faulting?
Reverse/Thrust
Normal
Strike-slip
92
Earthquake destruction is dependent on...
Nature of building materials/building codes
Ground material composition
All of these
Earthquake magnitude/intensity and duration
93
Old lithospheric material is warm, thin and subducts at shallow angles.
True
False
94
Most weather in Earth's atmosphere occurs in this layer....
Ionosphere
Mesosphere
Stratosphere
Troposphere
95
Where do most earthquakes on Earth occur?
California
Along continental/continental collisions
Oklahoma
Along megathrust faults of convergent plate boundaries