quiz 8 Which of the following minerals is most likely to form clays during weath
ID: 120502 • Letter: Q
Question
quiz 8
Which of the following minerals is most likely to form clays during weathering?
feldspar
quartz
calcite
pyroxene
1 points
QUESTION 2
The upper part of a glacier, the part with perennial snow and ice, is called the __________.
zone of accumulation
zone of wastage
recharge zone
ablation zone
discharge zone
1 points
QUESTION 3
Organic matter in the Earth's topsoil is called __________.
regolith
leaf litter
pedalfer
humus
1 points
QUESTION 4
By 2050, the population growth in the Central Valley is expected to go from 7 million people to _____
20 million
10 million
16 million
14 million
1 points
QUESTION 5
Which of the following chemical species is(are) not produced by the weathering of potassium feldspar (also known as orthoclase)?
CaCO3 (calcite)
Al2Si2O5(OH)4 (kaolinite, a clay mineral)
H2O (water)
K+ (potassium ion)
1 points
QUESTION 6
Which of the following statements is most likely to be false?
Rocks of different compositions weather at different rates.
Heavy rainfall increases the rate of weathering.
The presence of soil slows down the weathering of underlying bedrock.
The longer a rock is exposed, the more weathered it becomes.
1 points
QUESTION 7
Which one of the following applies to a glacier that lengthens (i.e., extends its terminus downslope) over a period of many years?
Ice accumulation exceeds ice melting
Ice accumulation and ice melting are about equal
None of the above
Ice melting exceeds ice accumulation
1 points
QUESTION 8
Based on the previous question and answer, the sedimentary rocks of such a basin in California are part of the _____.
The Great Central Valley sequence
The Great Gatsby
The Great Valley sequence
The Great Valley center
1 points
QUESTION 9
The fine-silt to clay-sized material produced from the grinding action of glaciers is called __________.
rock salt
rock flour
striations
glacial debris
1 points
QUESTION 10
Which of the following terms describes a glacial erosional feature as opposed to a glacial deposit?
fjord
erratic
outwash
till
1 points
QUESTION 11
What two chemical constituents important for soils form by the weathering and erosion of a granitic rock?
Insoluble iron oxides and soluble magnesium bicarbonates
Potassium and insoluble clay minerals
Soluble sodium and potassium bicarbonates
Silica and soluble calcium bicarbonate
1 points
QUESTION 12
For each item below, match the location with its description.
North American Cordillera
Alps
Andes
Appalachian Mountains
Himalayas
site of recent continental collision and site of future continental collision if the Mediterranean closes
very young oceanic crust subducting under continental crust
site of current continental collision
site of ancient continental collision
oceanic crust subducting under continental crust
1 points
QUESTION 13
Which of the following minerals present in granite is not affected by weathering?
feldspar
quartz
biotite
magnetite
1 points
QUESTION 14
The Coast Ranges are the result of _____
Continental volcanism
Passive margin sedimentation
Material scraped off a downgoing oceanic plate
A collision zone between two continental tectonic plates
1 points
QUESTION 15
If accumulation exceeds ablation, then __________.
the glacial ice will flow downhill and the glacial front will move downhill
the glacial ice will flow downhill, but the glacial front will move uphill
the glacial ice will flow uphill, but the glacial front will move downhill
the glacial ice will flow uphill and the glacial front will move uphill
1 points
QUESTION 16
The formation of a good soil takes __________.
a few years
a few hundreds of years
a few thousands of years
a few hundreds of thousands of years
1 points
QUESTION 17
Glacial till is composed of __________ sized particles.
clay- to boulder-
mostly boulder-
mostly clay-
mostly land-
1 points
QUESTION 18
__________ sediments are found at the bottom of lakes.
Gravel
Breccia
Delta
Lacustrine
1 points
QUESTION 19
A __________-shaped valley (in cross section) is characteristic of a glacial erosion.
I
V
U
L
1 points
QUESTION 20
According to health experts and data published in 2004, more people die of __________ than __________ in the Central Valley.
homicide. diesel pollution
diesel pollution, homicide
homicide, methamphetamine overdose
homicide, hunger
1 points
QUESTION 21
The accumulation of rocks at the base of a cliff is called __________.
a dune
a talus
soil creep
an alluvial fan
1 points
QUESTION 22
What determines the characteristics of a soil?
climate
bedrock and surrounding rocks
vegetation
length of time the soil has had to develop
all of the above
a and c
b and d
1 points
QUESTION 23
_____ and _____ are both deposited by meltwater streams
Recessional kettles and erratics
Outwash material and valley trains (a narrow mass of outwash confined in a valley)
Valley moraines and valley trains (a narrow mass of outwash confined in a valley)
Terminal moraines and cirques
1 points
QUESTION 24
In terms of agriculture revenues, Fresno County ranks __________ nationwide.
first
third
seventeeth
twenty-fifth
1 points
QUESTION 25
Match the division of subduction zones with the appropriate description and example.
Forearc basin
Volcanic arc
Deep-ocean trench
Backarc basin
Where a subducting slab of oceanic lithosphere bends and descends into the asthenosphere: Mariana trench
Overriding plate landward of a volcanic island arc that thins and eventually break open as a spreading center: Mariana and Tongo Islands
Between a trench and the continental volcanic arc: Along the Andes and the Central Valley
Volcanoes that grow on the overlying plate, whether it be oceanic or continental: Cascade volcanoes or northwestern North America
1 points
QUESTION 26
The Treaty of Guadalupe Hidalgo of 1848 __________.
extended constitutional protections to Native American tribes in the lands of the cession
transferred about a third of Mexico's territory to the United States
forced Mexico to pay a $15 million war indemnity to the United States
required Mexico to pay millions of dollars in debt claims to the United States
1 points
QUESTION 27
The Sierra Nevada range is an example of _____
An uplifted granitic block bounded by Quaternary reverse faults
Uplift of a continental crust overthickened in early Paleozoic time
A granitic block uplifted by late Tertiary to Quaternary normal faulting
Folding, compression, and thickening of Paleozoic deposits in the Jurassic time
1 points
QUESTION 28
Igneous rocks _____
Are formed through the freezing of molten material
Can be produced at the surface of the Earth as well as deep below the surface
Are the most common type of rocks within Earth
All of the above
1 points
QUESTION 29
Many minerals useful to our industrial civilization can be found associated with __________.
black smokers
seamounts
coral reefs
volcanic islands
trenches
1 points
QUESTION 30
In California, deposits of serpentine can be associated with __________.
gold
chromite
abestos
iron
feldspar
quartz
calcite
pyroxene
Explanation / Answer
8) the correct answer is feldspar because it contain silica which are helpful in making of clays.
2) Called the Zone of accumulation.
3) the correct answer is humus. It is mixture of sand silt clay and broked organic matter.
4) the population is expected to increase at a rate of 75% so it may be 10 million.
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