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DBR Exam 1 review Flashcards | StudBud
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DBR Exam 1 review
DBR Exam 1 review
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Questions
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Answers
1
As compared to the asthenosphere, the lithosphere is ________.
cooler and more able to flow
hotter and less able to flow
cooler and less able to flow
hotter and more able to flow
2
Bowen's Reaction Series tells us about...
Ratio of SiO2 to other elements present in mineral
Atomic structure/arrangement
Mineral crystallization temperature
Stability of a mineral on earth's surface
3
The rock shown below is
compositionally
similar to...
Continental crust
Oceanic Crust
My countertops??
The Kardashian's countertops??
4
Am I a mineral?? Lightning glass
False
True
5
Minerals are classifies into "major classes" based on...
their cation
their anion
6
What causes melting at number 1?
thermal
decompression
flux
over-pressure
7
Oceanic crust is
thinner
than Continental crust...
True
False
8
What kind of volcanism would you expect at number 3?
mafic (basalt)- quiet
mafic (basalt)- explosive
felsic- quiet
felsic- explosive
9
What causes melting at number 3?
thermal
decompression
flux
over-pressure
10
The rock shown below is
compositionally
similar to...
The Kardashian's countertops??
Oceanic Crust
Continental crust
My countertops??
11
Chemistry stays the same during mechanical weathering, but not chemical
True
False
12
The following pie chart shows the elemental abundance in...
The Kardashian Empire
Bulk Earth
The Universe
Earth's crust
13
What kind of plate boundary is shown at number 1?
divergent- continental rifting
Continental-continental convergent
divergent- mid-ocean ridge
Ocean-continental convergent
14
The distinction between the crust and the mantle is primarily on the basis of a difference in
temperature
composition
color of minerals
distance from the sun
15
What kind of volcanism would you expect at number 1?
felsic- quiet
mafic (basalt)- quiet
mafic (basalt)- explosive
felsic- explosive
16
The following pie chart shows the elemental abundance in...
Bulk Earth
The Kardashian Empire
The Universe
Earth's crust
17
What igneous feature is commonly associated with number 6?
flood basalts
massive salt deposits
pillow basalts
yellow basalts
18
What kind of plate boundary is shown at number 5?
ocean-ocean convergent
Ocean-continental convergent
divergent- continental rifting
Continental-continental convergent
19
Continental crust has more lighter elements (Al, Ca, Na, K, P, S) than oceanic crust...
True
False
20
Why might you find both explosive and quiet volcanoes at number 3?
the age of the volcano is the main controlling factor
Because gas content and lava temp control how explosive/quiet an eruption
the mood of the gods controls the volcanoes
Kardashian ratings high=explosive, Kardashian ratings low=quiet
21
Shield volcanoes have low slopes primarily because
their abundant ash layers spread out large distances
they never erupt from the same place twice
low viscosity lava flows for long distances
it is easier to walk up
22
What kind of plate boundary is shown at number 3?
Continental-continental convergent
divergent- continental rifting
Ocean-continental convergent
transform
23
Most natural water is slightly acidic
True
False
24
What kind of plate boundary is shown at number 2?
Ocean-continental convergent
transform
divergent- continental rifting
Continental-continental convergent
25
How are clays produced?
Physical weathering of silicates
Chemical weathering of silicates (hydrolysis)
26
Continental crust is
denser
than oceanic crust...
False
True
27
What weathering is shown in the image below?
Oxidation
Chemical dissolution
frost-wedging
Exfoliation
28
Dissolution occurs because...
Minerals get softer when wet
covalent bonds
Water is polar and can pull apart ionic solids
dissolution is a myth
29
Which plate boundary is usually NOT associated with volcanism?
convergent
divergent
Transform
IDK, Kardashians???
30
Am I a mineral?? Ice
True
False
31
Silica content predominantly controls what property of a magma...
color
age
texture
viscosity
32
Am I a mineral?? Lab made diamonds
False
True
33
Carbonization...
Is an important factor on Mars
is the main way silicates are weathered
Makes a moderate fuel source
Causes Karst landscapes
34
The following pie chart shows the elemental abundance in...
The Kardashian Empire
Earth's crust
Bulk Earth
The Universe
35
The process where Earth's dense elements moved to the center of the earth, while lighter elements formed the crust is...
The Big Wack theory
Assimilation
Accretion
Planetary differentiation
