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science

QuestionAnswer
stress that pushes a mass of rock in two opposite directions is called shearing
in a normal fault, the part of the fault that lies below the other part is called the footwall
in a strike-slip fault, the rocks on either side of the fault slip past each other sideways with little up-or-down motion
which type of stress force produces reverse faults compression
a fold in rock that bends upward into an arch is called an anticline
a large area of flat land elevated high above sea level is called a plateau
the point beneath earths surface where rock breaks under stress and triggers an earthquake is called the focus
the type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called p waves
the rating system that estimates the total energy released by an earthquake is called the moment magnitude scale
a force that acts on rock to change its shape or volume is called stress
s waves are also known as secondary waves
suppose two normal faults cause valleys to drop down on either side of rock fault-block mountain
the squeezing together of rocks by stress is called shearing false, compression
in a strike-slip fault, the rocks on either side of the fault slip past each other sideways true
an upward fold in a rock is called a plateau false, anticline
with the range of data available, geologist cannot predict exactly where and when earthquakes occur true
when an earthquake occurs, s waves are the first seismic waves to arrive at a given location false, p waves
the block of rock that lies above a fault is called the hanging wall
shearing creates ............faults, like San Andreas fault in California strike-slip
the stress force that pushes a mass of rock in two opposite directions is called shearing
A fault is formed when compression causes the hanging wall to move over the foot wall is called a reverse fault
layers of rock that bend can produce a downward fold known as a syncline
the point beneath the surface where rock breaks and an earthquake starts is the focus
Created by: hro.2003
 

 



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