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Geology Cram Session Flashcards | StudBud
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Geology Cram Session
Geology Cram Session
215 terms
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APSC 151 Review #volcano #geology #engineering #lava #rocks #daddyDiedreichs
Flashcards
215 cards
F
Practice quiz
P
Host live
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Questions
215
Answers
1
Does salmonella always show symptoms
No
Yes
2
Ore minerals get concentrated in magma by
Suspension
Gravity
Infiltration
Cooling
3
What is infiltration
Water that comes up from the ground
Water that does water stuff (I'm getting tired)
The ground seeping into water
Water that seeps into the ground
4
Which sedimentary rock is usually bio-chemical in origin
Evaporite
Mudstone
Limestone
Chert
5
What type of rock is kimberlite (the volcanic pipes diamonds are found in) made of
Rhyolitic
Ultramafic
Andesitic
Mafic
6
The milkankovitch hypothesis does not theorize that
there are variations in the earth's orbit
the earth's poles switch
there are variations in the earth's axis angle
the earths axis wobbles
7
What don't Jupiter and Saturn have in common
Lots of moons
Rings
Mantle of molecular hydrogen
Gas giants
8
How is shale distinguished from other mudrocks
It has foliation
Its cool
It exibits fissility
It is black
9
Which part of the hydrosphere contains the largest fraction of Earth's liquid freshwater?
Lakes/Rivers
Ice Sheets/Glaciers
Groundwater
Oceans
10
What platy parallel mineral grains are the most visual aspect of foliated metamorphic rock
Quartz
Mica
Horneblende
Feldspar
11
Mafic lavas generally produce
Explosive erruptions
Quiet erruptions
Nuce ardente
PAHOEHOE
12
Rich ore bodies in Sudbury formed form
Magic
Hydrothermal Vents
Condensation
Asteroid Impact
13
What type of volcano is Mt. Garibaldi
Cinder cone
Friendly
Shield
Composite/Stratovolcano
14
What is the most likely origin of water on earth
Fusion of Hydrogen and Oxygen occuring in core
Comet Impacts
Condensation
Infiltration
15
How are icelandic volcanoes related to plate tectonics
Pyroclastic flow
Converging plates
They aren't
Diverging plates
16
Which is not a silicate
Muscovite
Plagioclase
Gypsum
Horneblende
17
Porphyritic textures are not
composed of minerals formed at different rates
composed of microscopic crystals
composed of ash and fragments
composed of large crystals within a mass of small crystals
18
On a typical seismogram this wave will show the greatest amplitude
S-wave
Love wave
P-wave
Surface wave
19
The geothermal gradient is the____
Difference in temperature between rocks and lava
Temperature variance in different types of magma
Temperature decrease per km into the Earth
Temperature increase per km into the Earth
20
Dissolution of minerals occurs because most minerals are ionic crystals and ______
Water penetrates gaps between crystals
Ionic bonds are weak
Water has a high degree of friction
Acid exponentially increases corrosive force of H2O
21
The last minerals to crystallize in Bowen's reaction series result in ___ rocks.
Hard
Felsic
Intermediate
Mafic
22
Strain is the change in composition caused by stress
False
True
23
Which is not a type of sedimentary rock
Organic
Chemical
Detrital
Marine
24
What is a polymorph?
A rock composed of different sized pieces
A rock composed of different minerals
Elements that join together in more than 1 way
A mineral composed of many different elements
25
Anticline are troughs, Syncline are arches
True
False
26
_____ typically exhibits pyroclastic textures
Welded tuff
Obsidian
Volcanic breccia
Mafic rock
27
Stress = Force/Area, Strain = Change in shape/Size of rock
True
False
28
Porosity is the volume of occupied space divided by total volume
True
False
29
The San Andreas fault in California is a good example of what?
Converging plates
Diverging plates
Isometric plates
Transform plates
30
_____ is the expression of orderly internal arrangement of atoms in a mineral crystal.
Lustre
Cleavage
Crystal Habit
Hardness
31
The main use of bauxite is ___.
Aluminum production
Cardboard boxes
Lithium production
Copper Production
32
Gosh garnet, holy schist call me a _____
Geologist
Physicist
Botanist
Terrorist
33
The three types of groundwater contaminants are
Soluble, dense insoluble, light insoluble
Caustic, respiratory, contact
Biological, radiogenic, stratispheric
PCB, ANCPL, DULPL
34
Which is not a mineral class
Chlorates
Sulphates
Halides
Silicates
35
The second largest ice sheet in the world is
Greenland
Antartica
Iceland
Canada
36
The Geoid is
A model of sea level if all the earth were covered in water
All of the above
Important to gravity surveys for detection of anomalies
The result of gravitational variations from core to crust
37
Which of the following igneous rock types is named after a mountain range in South America
Chilean
Felsic
Mafic
Andesitic
38
Metamorphic grade refers to_____
The type of metamorphism
The temperature metamorphism occured
Your mark on the geology midterm
The intensity of metamorphism the rocks have experienced
39
Which is not a factor which causes melting to occur
Volatiles being introduced
New rocks being introduced
Temperature increasing
Pressure dropping
40
Which are controlling factors of metamorphism (Select all that apply)
Rotation of platy mineral grains
Stress, Chemically active fluids
Composition of parent rock, Heat, Pressure
Re-crystallization of minerals
41
What causes plutonic rocks to be seen on the surface?
Volcanic erruption
Weathering
Lava flow
Rivers carrying sediment
42
Epicenter is the area below the focus
True
False
43
The purpose of blasting in open pit mines is
Turn rocks into fine sediments
Youtube Videos
Break up rocks
Launch material out of pit
44
Pegmatitic textures are not
very slowly cooled
rapidly cooled
very coarse grained
formed in late stages of crystallization
45
Diamonds are found in rare ultramafic volcanic pipes called
Volcanite
Rhyolite
Kimberlite
Pyroclaste
46
Most crustal deformation occurs in active tectonic zones
False
True
47
Strike is measured 180 degrees to dip direction
True
False
48
Which is not a form of fossilization
Chemical
Trace
Petrification
Recrystallization
49
Which is not an igneous texture
Aphanitic
Vermiculitic
Glassy
Pegmatitic
50
Which is the final stage in the coal formation process
Lignite
Peat
Anthracite
Bituminous coal
51
What are the units of flow velocity
Volume / time
Kpa * meter / time
KPa / Volume * time
Time * Volume
52
___ causes rocks to crumple in the plane of least stress resulting in deformation
Directed pressure
Directed heat
Uniform heat
Uniform pressure
53
Factor of safety = Resisting forces/Driving forces
True
False
54
What is a major source of heat for contact metamorphism
Stress
Friction
Igneous body nearby
The sun
55
Graben is formed when two plates diverge and the center block between them drops
False
True
56
Mass wasting can be classified by
Slope of cliff
Type of motion
Type of material
Rate of motion
57
The two main types of bonding that form the structures in minerals are ____.
Covalent, Nuclear
Covalent, Ionic
H-Bonding, Ionic
Dipole-dipole, Covalent
58
In which setting would regional metamorphism be most likely?
At shallow depths where two continents are colliding
At shallow depths where two continents are diverging
At great depths where two continents are diverging
At great depths where two continents are colliding
59
Which is not a geological era
Cenozoic
Pre-Jurrasic
Pre-Cambrian
Jurassic
60
_____ forms from the metamorphism of limestone or dolostone
Sandstone
Diorite
Rhyolite
Marble
61
Friction coefficient = stress required to slip/ applied normal stress which is equivalent to
Shear force/ Normal force
Total force/ slope
Normal stress/ Shear force
Slope/normal stress
62
___ is a strong, parallel alignment of quartz-mica flakes and/or of different mineral bands
Bedding
Foliation
Banding
Cleavage
63
Parts of a fold do not include
Pluge
Anticline
Limbs
Axis
64
Which element is used in nuclear reactors
Plutonium 238
Uranium 235
Plutonium 239
Uranium 238
65
In ___ type of bonding one atom gives up electrons to another.
Covalent
Dipole-dipole
Ionic
Grade 10 chemistry
66
Which is the correct order of the formation of rivers
Streams->Rivers (The other two don't exist)
Streams->Rills->Gullies->Rivers
Rills->Gullies->Streams->Rivers
Gullies->Rills->Streams->Rivers
67
Mitigating a landslide can not be done safely by
Removing slope material
Draining water
Building a concrete retaining barrier
Using a mesh retaining barrier
68
Which is not a type of detrital sedimentary rock
Conglomerate
Limestone
Sandstone
Siltstone
69
Why isn't asteroid mining viable
Impossible
Space is scary
Too expensive
Too profitable
70
Which is not a way that sediments are transported downstream
Bed load movement
Meandering load movement
Suspended load movement
Dissolved load movement
71
Erratics are ______
Sediments deposited by glaciers
Weird people
Boulders found in till or lying free on the ground
Sediments picked up by water
72
Normally routine subsurface exploration in soil is preformed with
Auger Drills
Tungsten Carbide Drill Bits
Lasers
Diamond Drill Bits
73
The _____ is the thinnest layer of the Earth
Core
Mantle
Crust
Lithosphere
74
_____ is typically formed by metamorphism of a mature sandstone
Gneiss
Schist
Quartz
Garnet
75
A hoist can not be formed without a graben
True
False
76
Elastic deformation is not recoverable, brittle and ductile deformations are
False
True
77
Fastest of all seismic waves are called
S-Waves
Radio waves
Surface Waves
P-waves
78
Dip is the angle from horizontal to the plane
True
False
79
What is an artesian well
A body of permeable rock that transmits groundwater
A relatively permeable rock
Aquifers overlain by aquitard
Pressure in aquifer > pressure in water table
80
Typically, the mining of 1kg of gold would involve the excavation, transport and processing of
1 tonne of rock
one million kg of rock
100kg of rock
100 cubic meters of rock
81
Which is not a requirement for being a planet
Cleared its orbit of debris
Must be bigger than 1.5 x 10^17m in radius
Needs to have enough gravity to become spherical
Orbit around a star
82
Which is not a way to protect banks from erosion
RipRap
Gabians
Stream bed matting
Placing a dam
83
What two factors speed up rates of chemical reactions and weathering in rocks and soils
Surface area, chemical composition
Rainfall, general relativity
Surface area, temperature
Chemical composition, rainfall
84
The ____, about 100km thick is the coldest, most rigid and most brittle layer in the Earth
Megasphere
Athenosphere
Lithosphere
Mesosphere
85
The most severe and long lasting impact of climate change to humans is
Air pollution
Raising of sea levels
Extinction of animals
CO2 in the atmosphere
86
___ is the controlling force of mass wasting
Saturation of material
Earthquakes
Gravity
Loss of anchoring material
87
Which living organism does not have a nucleus with the cell
Viruses
Prokaryotes
Endosymbiotes
Eukaryotes
88
Why are lavas more fine grained than plutons?
They have different amounts of volatiles
They have less time to cool
They have more time to cool
They are composed of different materials
89
Clay minerals formed from gabbro and diorite bedrock demonstrate
Canadian weathering
Differential weathering
Chemical weathering
Mechanical weathering
90
Which of the following has the same mineral composition as andesite
Diorite
Basalt
Rhyolite
Granite
91
Tsunamis are created by
Divergent plates
Yo momma jumping in a pool
Fault movements
Body waves
92
What is the geoide
Model of the earth's gravity
Model of the earth's oceans
Model of the earth
Model of mars
93
Which of these is phaneritc
Rhyolite
Basalt
Andesite
Diorite
94
Phaneritic textures are not
formed in very late stages of crystallization
coarse grained
slowly cooled
composed with identifiable crystals
95
Pluto has mountains made of ____ and oceans made of ____
Water ice, methane/nitrogen
Diamond, water
Methane/Nitrogen, water
Rock, methane
96
Which is not true about internal deformation
Occurs within the ice
The ice at depth has melted, causing slippage
The ice at depth is plastic under pressure
The ice is under pressure at depth
97
Water pressure acting on a joint plane in a mass of rock does what to sliding stability
Does everything
Does nothing
Decreases it
Increases it
98
Which is false
Cohesion is the force divided by the volume
Friction is shear strength dependent on pressure
Stiffness = relationship between stress/strain before fail
Strength is the stress at failure
99
Risk = Likelyhood/Consequence
True
False
100
The increase in CO2 levels from 1950 is ___% of the normal range
1000
100
200
50
101
Saskatchewan is famous for mining
Potash, Copper
Copper, Nickle
Potash, Uranium
Iron, Copper
102
What is the stream flow equation
HOLY CRAP WHATS THE STREAM FLOW EQUATION
V=I*R
V= (R2/3 * S1/2) / n
You hopefully don't need to know this
103
Which statement describes a positive glacial budget
Loss = Accumulation
Accumulation > Loss
Loss > Accumulation
Zone of fracture > Calving radius
104
Faults are fractures in rocks
False
True
105
How hot?
Mans not hot
Too hot
Hotter than the earth's core
Hotter than nuclear Fusion
106
Cinder cones are
Felsic
Composed of debris from a vent
Short
Composed of igneous rock
107
What is peak oil
An area rich with oil
An oil drilling company
A method of oil extraction
The point of maximum oil production
108
What happens inside a rock when a p-wave passes through
P-waves can not displace rock
The rock moves up and down
Nothing happens, p-waves only travel through liquids
The rock compresses and expands causing the ground to buckle
109
Force changes motion in objects
True
False
110
Methods of flood control are
Artificial levees
Flood-Controlled dams
Channelization
Floodplain management
111
Definition of risk
Consequence x probability
Magnitude x cost
Consequence x magnitude
Probability x cost
112
A water table is the ___
Boundary between zone of saturation/zone of partly saturated
Boundary between positive and negative fluid pressure
Boundary between the zones of aeration and superposition
boundary surface of the zone of saturation above an aquitard
113
Where is erosion concentrated along a meandering stream
Inner bank
The center
Outer bank
Royal bank of Canada
114
What conditions are required for a rock slide
Where anchoring vegatation has been lost
Where water has oversaturated the land
Where an earthquake has occured
Where joints and fractures are parallel to the slope
115
Solar flares and coronal mass ejections are the result of ___
A fast release of hydrogen atoms
Magic
A fast release of magnetic energy
A fast release of helium ions
116
Intrusive magmatic deposits concentrate ore minerals primarily by
Fusion
Precipitation
Chemical conversion
Gravitational settling
117
As a self-contained planet, Earth is divided into several interacting systems called the ____.
Biosphere, Hydrosphere, Lithosphere, Atmosphere
Biosphere, Atmosphere, Hydrosphere, Geosphere
Biosphere, Atmosphere, Lithosphere, Spectrosphere
Biosphere, Hydrosphere, Geosphere, Stratosphere
118
New seafloor is created at _____ plate boundaries
Converging
Shearing
Diverging
Intersecting
119
Timmins and Sudbury mining regions are known for the mining of
Copper
Iron
Gypsum
Diamonds
120
Which year has the best meme page
Arts 22
Sci 21
Sci 20
Sci 22
121
Which is false about the effect of ice ages
They created ground water deposits
They forced migration
They changed the sea level
They permanently deformed the crust everywhere
122
What characteristic is necessary for a sedimentary rock to contain natural gas
Cleavage
Foliation
Bedding
Porosity
123
How much energy is released in a magnitude 1 earthquake
630,000 richters
630,000 joules
630,000 ergs
630,000 watts
124
Which is not a component of magma
Solids
Melt
Volatiles
Liquids
125
Types of mass wasting do not include
Rotational landslide
Slumping rockfall
Block slide
Creep
126
Slumps are also known as rotational slides
False
True
127
Which is not true of chert
composed of microcrystalline silica
occurs as tabular layers
found in banded iron formations
is a metamorphic rock
128
Which is not a method by which glaciers move
Internal deformation
Meltwater
Plate tectonics
Basal Slip
129
Snowflakes become granular snow when
Temperature is increased
Pressure is decreased
Air is forced out
Temperature is decreased
130
The ____ forms the relatively cool, brittle plates of plate tectonics
Lithosphere
Athenosphere
Core
Atmosphere
131
Kerogen is
Buried solid organic matter
A type of coal
A mineral
A geological era
132
Carbon dating is good for which time range
10 million - present
2-4 billion years ago
100-200 million years ago
1 billion - 500 million years ago
133
Which is not a form of sandstone
Quartz
Arkose
Wacke
Shale
134
Which is not a control of soil formation
Parent material
Altitude
Time
Drainage
135
The Precambrian Era Accounts for ____% of Earth's History
60%
2%
88%
35%
136
When glaciers quickly move forward they are said to _____
Volley
Jump
Surge
Attack
137
Volcanic impact does not depend on
Extent of hazard
Warning/Willingness to leave
Materials involved
Land use
138
How much of the total water in the water cycle is runoff
50%
10%
72.5%
100%
139
Geophysical response of geomaterials depends on the relative contributions of
Solid, liquid and air phases
Mineralogy, cleavage and lattice
Calcite, quartz and felspar
Grain size, grain shape and grain density
140
Which of these is NOT a physical property of crystals?
Magnetism
Reaction to acid
Stability
Malleability
141
What is the major issue with nuclear power
Waste
Explosions
Radiation
Deaths
142
Plutonic rocks are ____
Intrusive igneous rocks
Extrusive igneous rocks
Intrusive metamorphic rocks
Intrusive sedimentary rocks
143
Most lithium used on earth comes from ____
The ocean
Salt flats
Deserts
Moutains
144
An atom's atomic number is 92 and its atomic mass is 238, what is the number of neutrons?
238
27
146
330
145
Three factors that affect volcanic eruptions are
Composition of lava, temperature and dissolved gas
Dissolved gas, shape and composition
Composition of lava, location and dissolved gas
Temperature, composition of lava and texture
146
How old is the earth
6 Billion
4.6 Billion years
6000 years
2017 years
147
Sudbury is known for mining
Potash, Uranium
Potash, Uranium
Copper, Uranium
Copper, Nickle
148
Which of these rocks is most likely to contain biotite
Intermediate
Mafic
Felsic
Andesitic
149
What is fraccing
Fracking? Fraccing? Fraking? Fracing?
Obtaining oil from shale rock using fracture propagation
Obtaining oil from sand using heat and steam
Obtaining oil from the ground using drills and pumps
150
What is liquefaction
Soil being saturated
Saturated soil behaving like a liquid
Water being forced out of soil
Infiltration
151
Stress is the force applied to a given area
False
True
152
Two types of flow in rivers are
Lahar, Cyclic
Laminar, Turbulent
Turbulent, Lahar
Laminar, Fast
153
What force pushes groundwater from pore to pore below the surface
Integrated saturation impulse
Surface tension
Permeability steepness
Hydraulic gradient
154
Which is not a type of mechanical weathering
Dissolution
Unloading
Sheeting
Frost wedging
155
Which is not a benefit of volcanoes
Nuce ardente
Mineral resources
Hawaii
Fertile soil
156
What percentage of the Earth's water is in ice sheets
100%
30%
6%
2%
157
A virus fails to be classified as a living organism because
Its too small
It can not reproduce by itself
It is not made up of cells
It does not contain DNA
158
What is the vadose zone
Area saturated with water
Area below zone of saturation
Area where water pressure is high
Area above saturated zone
159
Example of a metallic resource would be
Bauxite
Carbonate minerals
Diamonds
Clay
160
Which causes the most damage
T-waves
P-waves
Surface waves
S-waves
161
Which of these is not a component of solum (true soil)
Topsoil
Residual soil layer
Leached zone
Subsoil
162
What foundation material is most stable during earthquake shaking
Silts
Gravels
Bedrock
Sands
163
Compressional stress shortens rock body
False
True
164
Which is false about chemically active fluids
Aid in recrystallization
Change composition of metamorphic rocks
Enhance migration of ions
Mainly water with other volatiles
165
What does not infiltrate or evaporate becomes
Clouds
Ground water
Runoff
Water
166
The purpose of blasting in open pits is to
Move rock from one place to another
Create vibrations
Fragment ore into transportable but solid pieces
Create fine silt sized material that can be shoveled
167
Pyroclastic textures are not
Composed of fused ash and fragments
Cooled rapidly
Ejected during volcanic erruptions
Cooled very slowly
168
What is the Eon before the presence of life
Cambrian Eon
Jurassic Eon
Hadean Eon
Carboniferous Eon
169
The copper metal within oxide ores of copper is extracted by
Panning
Mercury solution
Smelting
Acid leaching
170
What do nuclear, oil, gas and geothermal have in common
Renewable
Require fuel
Generate steam to turn turbines
No environmental impact
171
What are tailings
Suspended sediment
Useful ore
Waste
Copper deposits
172
Tensional stress changes the shape of a rock body
False
True
173
Elastic modulus = Strain/Stress
False
True
174
It is safe to assume the block of rock is 1m thick when calculating slope stability
False
True
175
Tailings are
Ponds of chemicals that are used in the processing of ore
Piles of broken rock discarded from the mining operation
Very fine saturated suspensions of ground rock particles
Collections of valuable ore reserves waiting for transport
176
Differential weathering is ___
Another word for chemical weathering
Another word for mechanical weathering
When rocks do not weather uniformly
A combination of chemical and mechanical weathering
177
Areas affected by tidal currents are called
Tidal areas
Tidal heads
Tidal flats
Tidal banks
178
What does h/l mean
Vapor pressure
Hydraulic gradient
Pressure
Darcy's Law
179
Which is not a form of chemical sedimentary rock
Limestone
Evaporite
Coal
Chert
180
____ is the ratio of a weight of mineral to a volume of water of equal weight.
Mass
Specific Gravity
Porosity
Density
181
Copper is extracted from ore through the process of
Tempering
Mining
Smelting
Leaching
182
Lahars are debris flow composed of volcanic ash
False
True
183
Aphantic textures are not
formed with microscopic crystals/bubbles
fine grained
ejected during volcanic eruptions
rapidly cooled magma
184
What is the dominant lava type erupted along ocean ridges
Andesitic
Mafic
Rhyolitic
Felsic
185
Volcanic risk does not depend on
Materials involved
Land use
Type of erruption
Distance and velocity of material movement
186
Mammals were first seen during the _____ period
Jurassic
Mammalian
Tertiary
Cretaceous
187
The tendency for minerals such as quartz to break in a smoothly curved manner is called ___.
Shattering Fracture
Natural Fracture
Conchoidal Fracture
Clean Fracture
188
The rich orebodies near Sudbury are the result of
An asteroid impact
Super volcano
Tectonic rifting
Placer deposition
189
The true colour of a mineral as seen in it's powdered powdered form is called it's___
Streak
Shine
Colour
Luster
190
What type of environment is characterized by brittle deformation
High altitude
High temperature
High pressure
High friction
191
Why can volcanoes on mars reach extreme heights
Composition of martian rock is more solid
No plate tectonics
Lower gravity
Very active plate tectonics
192
What are the units of stress
N/m2
Kg/m*s2
Pa
J
193
Room and Pillar mining are good for _____ ore bodies
Trigonal Planar
Copper
Vertical
Horizontal
194
Which of the following high silica igneous rocks can float on water
Pumice
Diorite
Rhyolite
Granite
195
The lifeforms of the Ediacaran couldn't survive due to the evolution of ______ in other species
Eyes
Tails
Legs
Teeth
196
Density = ratio of mass to water and Specific Gravity = mass/volume
False
True
197
Slate, Phyllite, Schist and Gneiss are all examples of
Contact metamorphism
Subduction zone metamorphism
Sedimentary rocks
Regional metamorphism
198
Permeability is the ability of fluid to flow through a solid
False
True
199
___ is a measure of connectedness of pore spaces
Permeability
Portability
Potability
Permeosity
200
What is the role of deuterium (heavy water) in nuclear fission
Speeds up neutrons
Slows down neutrons
Splits nuclei
Facilitates fusion
201
What are the two types of mafic lava flow commonly found in Hawaii
Pehoyhoy, ahah
Pahoehoe, aa
Pohoyhoy, eheh
Paheyhey, ahhahh
202
What basic atomic particle occupy space outside of the nucleus
Electrons
Crystals
Neutrons
Protons
203
The T-Rex existed in the ____ period
Jurassic
Triassic
Bombastic
Cretaceous
204
The composition of the Earth's core is thought to be composed of ____.
Copper and Nickle
Magic
Iron and Magnesium
Iron and Nickle
205
A reverse fault is when the hanging wall moves down relative to the footwall
False
True
206
Why are DNAPLs hard to clean up
Soluable
Trapped between fractures in bedrock
Fast flowing
Unpredicable
207
What are the most common cementing agents in sedimentary rocks
Calcite, Silicates, and iron oxide
Magnesium oxide, Silicates and Carbonates
Sand, Gravel and Till
Clay, sand and gravel
208
The strong tendencies of certain MINERALS to break along parallel planes is called ____
Bedding
Cleavage
Foliation
Schist
209
Mass wasting is a
Natural process and is only dangerous when people are nearby
Name for homecoming
Natural process that is never dangerous
Disaster and should be stopped
210
Pangea was
A way of life
An era of earth's geological history
A band
A supercontinent
211
Which is not a form of coal
Lignite
Peat
Bituminous
Anthropecene
212
Which is not a form of chemical weathering
Oxidation
Sheeting
Dissolution
Hydrolysis
213
Which are types of metamorphism
Regional metamorphism
Subduction zone metamorphism
Assistant to the regional metamorphism
Contact metamorphism
214
Which is not a structural trap of oil
Synclinal
Fault
Anticlinal
Salt dome
215
Which of these is not a soil type
Pedocal
Laterite
Pedalfer
Gullite