How can we help?

You can also find more resources in our Help Center.

23 terms

Geography Chapter 9: Section 1

STUDY
PLAY
Aprox. what % of earth's surface is exposed above sea level?
29 percent
Ifyou wanted to avoid earthquakes, which of the following areas would be the safest to live?
shield
Which of the following is incorrectly matched?
shearing- stretching or faulting
A brittle rock is likely to respond to stress by _____, whereas a ductile rock is likely to respond by _______.
breaking; bending
Folded layers of rock can form a wavelike pattern of troughs and crests. The layers near the trough form
an anticline.
Folded layers of rock can form a wavelike pattern of troughs and crests. The layers near the crest form
a syncline.
High mountains consisting of tightly folded and overthrust sedimentary rock layers, as well as metamorphic rocks, are formed
during plate collisions ex) Himalian mountains
Which of the following is a cuse of warping?
isostatic adjustment
Fault types are defined by
the relative motion of the hanging wall and footwall.
Tensional stress along a fauly can result in a dropped hanging-wall block relative to the footwall side, producing a
normal fault.
Normal faults are associated with
tensional forces.
Compressional stress along a fault can result in a dropped footwall block relative to the hanging-wall side, producing a
reverse fault
The San Andreas system in California is an example of
all of the above- strike-slip fault, right-lateral fault, transform fault,
Peope often say that CA is going to "fall into the ocean". This idea is totally wrong because the San Andreas fault would have to be a _____ fault associated with ____ forces for this to happen.
normal; tension
The Basin and Range Province in the western U.S. is a result of ____ faulting produced by _____ forces.
normal; tensional
Orogenesis refers to
a general term for the beginning of a mountain-building episode that thickens continental crust.
Which of the following can lead to the formation of mountains?
all of the above
The motion of seismic waves is initiated in a subsurface location along the fault plane called the
epicenter
The area at the surface directly above the subsurface location where seismic waves are iniated is termed the
epicenter
An instrument used to record vibrations in the crust is the
seismograph
The most active tectonic regions of North and South America are on the
western coasts
The greatest loss of human life (250,000) this century resulted from which earthquake event?
Tangshan, China, 1976
The North Anatolian fault in Turkey and the San Andreas fault in California are
right- lateral, strike slip, transfrom faults