217 Multiple choice questions
Term 1 of 217
The ____________ earthquake was accompanied by extensive fire damage.
Anchorage, 1964
San Francisco, 1906
Mexico City, 1985
Yerevan, Armenia, 1988
Term 2 of 217
Draping Mesh over a rock slope
Prevents major circular slump failure
Prevents rock blocks from moving
Catches small blocks of falling rock and redirects them into a ditch
Holds back water within the slope
Term 3 of 217
The dense core of Earth is thought to consist predominantly of __________.
nickel
lead
iron
copper
,Term 4 of 217
The top of the asthenosphere is closest to the surface ________.
along a mid-ocean ridge
along the length of a deep mantle plume
along a transform fault
along a subduction zone
Term 5 of 217
Which of these is not an effective way to stabilize a slope failure in rock?
Drainage of Water from the slope
Building a rock pile above the Slope
Retaining Walls
Mechanical Stabilization
Term 6 of 217
What are the three types of differential stress in the Earth's lithosphere?
compression, shear, and tension
confined, unconfined, and directed
hydrostatic, lithostatic, and vibratory
upwards, downwards, and sideways
Term 7 of 217
In the search for oil, seismic exploration is primarily looking for
hydrocarbon signatures
changes in porosity
fluid concentrations
geological and stratigraphic structure
,Term 8 of 217
If an earthquake occurred 2400 km away from a seismic station, how long after the earthquake
would
the station detect the arrival of a P-wave travelling at 8000m/s?
5 minutes
3 minutes
30 second
5000 seconds
Term 9 of 217
When an earthquake occurs, energy radiates in all directions from its source. The source is also
referred to as the __________.
inertial point
epicenter
focus
seismic zone
Term 10 of 217
What is the name of dark-coloured mica?
Calcite
biotite
quartz
olivine
, Term 11 of 217
The ________ division of the geologic time scale is an era of the Phanerozoic Eon.
Paleocene
Paleozoic
Permian
Proterozoic
Term 12 of 217
A stream begins at an elevation of 200 metres and flows a distance of 400 kilometres to the
ocean. What
is the average gradient?
2 m/km
2 km/m
0.5 m/km
0.5 km/in
Term 13 of 217
The average composition of the continental crust most closely approximates that of __________.
granite
basalt
peridotite
iron