Diagnostic Test 1 - D1 Flashcards
Which layer of the earth produce electrical currents that are responsible for the Earth’s magnetic field? *
inner core
outer core
lower mantle
upper mantle
outer core
Which line passes through the mid-Pacific Ocean and roughly follows a 180 degrees longitude north-south line on the Earth? *
Tropic of Cancer
Prime Meridian
International Date Line
Tropic of Capricorn
IDL
Which of the following is associated with a convergent boundary where earthquakes are produced? *
Wadati-Benioff Zone
D’’ layer
Low Velocity Zone
Bullen Layer
Wadati-Benioff Zone
It refers to the slope of the stream’s channel. It
is the vertical drop of the stream over a horizontal distance. *
velocity
gradient
discharge
load
gradient
If the Earth warms, more area becomes arid
resulting in an increase in the amount of dust in the atmosphere, which reflects
solar radiation causing cooling. This is an example of: *
global warming
greenhouse effect
positive feedback
negative feedback
negative feedback
The cleavage of amphibole is: *
90°
60° and 120°
cubic
basal
60-120
This term refers to an easy qualitative way to judge the specific gravity of one mineral relative to another. This is done by holding a piece of the first mineral in one hand and holding an equal-sized piece of the second mineral in your other hand. *
Water Displacement Method
Heft Test
Gravity Balance
Density Bottles
Heft
Trilobites are members of which phylum? *
Arthropods
Mollusks
Echinoderms
Cnidarians
Anthropods
A dike, vein, fracture, or fault that cuts across the fabric of another rock body is younger than any other rock that it cuts across. This is a statement of: *
Law of Original Continuity
Law of Inclusion
Law of Cross-Cutting Relationships
Law of Superposition
Cross Cutting
It is the result of sedimentary deposition on an erosional surface formed on older igneous or metamorphic rock. *
nonconformity
disconformity
angular unconformity
paraconformity
Nonconformity
A fold in which the layers are younger as you move from the outer part of the fold toward the axial surface. *
syncline
anticline
monocline
dome
Syncline
A plot showing the record of ground motion caused by the passage of seismic waves. *
seismometer
seismograph
seismogram
travel time
Seismogram
These are depressions in moraines, till, or outwash deposits that form when an isolated stagnant block of ice melts. *
Kames
Drumlins
Outwash Plain
Kettles
Kettles
These are flat areas in an arid environment where sediment has been removed by wind or moving water down to very near the water table, and evaporite minerals crystallize at or near the ground surface. *
pediments
sabkhas
playas
hardpan
Sabkhas
A short wall constructed perpendicular to a coastline in order to trap sand along a beach. *
seawall
breakwater
groin
jetties
Groin
It is the largest contributor to the greenhouse effect, responsible for ~60% of the warming. *
water vapor
carbon dioxide
methane
nitrous oxide
Water Vapor
Which Greek letter is used as a numerical representation of the Wentworth Scale? *
alpha
gamma
pi
phi
Phi
This refers to the extent to which the
material has changed when compared with the starting material of the bedrock it was derived from.
*
sorting
roundness
sphericity
maturity
Maturity
Which isotope of potassium, decays partly by electron capture to an isotope of the gaseous element argon?
*
Potassium-39
Potassium-40
Potassium-41
Potassium-42
K-40
Which marine microfossil commonly
have silica skeletons and are roughly spherical, often
spiny organisms less than a millimeter across? They
are important in the dating of deep-marine deposits
because the skeletons survive in siliceous oozes deposited at depths below the CCD.
*
foraminifera
radiolaria
coccoliths
diatoms
Radiolaria