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Types of Faults

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by

Heather Phillips

on 22 February 2017

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Transcript of Types of Faults

Types of Faults
Forces in Earth's Crust
Normal Faults
Strike-Slip Faults
Take what you know and learned to answer the questions.
In R.A.D. explain the differences between two types of faults and give an everyday example in the form of a similie.
Tension
in Earth's crust pulls rock apart, causing normal faults. In a normal fault, the hanging wall slips down relative to the footwall.
Reverse Faults
Compression
causes reverse faults to form. It has the same structure as a normal fault, but the blocks move in the opposite direction. In a reverse fault, the hanging wall moves up relative to the footwall.
In a place where plates move past each other,
shearing
creates strike-slip faults. In a strike-slip fault, the rocks on either side of the fault slip past each other sideways with little up or down motion.
Source: Pearson-Prentice Hall Focus on California Earth Science p. 174
When enough stress builds up in rock, the rock breaks, creating a __________.
I can explain in writing the differences between the three types of faults and the stress that causes them.
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