Download Faults brochure Een revised 9

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

Large igneous province wikipedia, lookup

Composition of Mars wikipedia, lookup

Post-glacial rebound wikipedia, lookup

Geochemistry wikipedia, lookup

Earthquake wikipedia, lookup

Geology wikipedia, lookup

Algoman orogeny wikipedia, lookup

Paleostress inversion wikipedia, lookup

Transcript
Faults
Create a Brochure
• You will use the information about faults to
create a brochure that explains what a fault is
and the types using examples. The brochure
must contain pictures of each type of fault. It
must be in color.
Faults
A fault is a large crack in
the Earth's crust where
one part of the crust has
moved against another
part.
Title
Definition
Illustration
Types of Stress:
Types of Stress:
Name three types
Illustration of each
Elastic Rebound Theory:
Elastic Rebound Theory:
Explain
Parts of a Fault:
Parts of a Fault:
Labeled Drawing
Inside
Boundary
Name of Stress
Description
ILLUSTRATION
Boundary
Name of Stress
Description
Boundary
Name of Stress
Description
ILLUSTRATION
Fault
• A fault is a large crack in the Earth's
crust where one part of the crust
has moved against another part.
This movement means that faults
prove the Earth is an active place.
They are signs of powerful forces
deep underground.
Types of Stress
• Tensional – pulls rocks APART
https://www.as.uky.edu/sit
es/default/files/elearning/
module10swf.swf
• Compressional – pushes rocks TOGETHER
• Shearing – pulls rocks ALONG each other
The Elastic Rebound Theory
• Rocks will bend until they reach their Elastic Limit.
• Then they will break (crack)
– This forms a Fault
Parts of a Fault
Footwall
Hanging Wall
Normal Fault
• form when the hanging wall
drops down. The forces that
create normal faults are
pulling the sides apart, or
extensional.
Caused by Tensional Stress
• Rocks/plates are pulled apart
• Tension causes the hanging wall to fall down.
• Divergent Boundary
Normal Fault
Normal Fault
Normal Fault
Reverse Fault
• Form when the hanging
wall moves up. The forces
creating reverse faults are
compressional, pushing the
sides together.
Caused by Compressional Stress
•
•
•
•
Rocks/plates are pushed together.
Causes the Hanging wall to move up.
Earthquakes!!!!
Convergent Boundary
Reverse Fault
Reverse Fault
Strike-Slip Fault
• have walls that move sideways, not up or
down. That is, the slip occurs along the
strike, not up or down the dip.
• Strike-slip faults are either right-lateral or
left-lateral. That means someone
standing near the fault the far side move
to the right or to the left, respectively.
The one in the picture is left-lateral.
Caused by Shearing Stress
•
•
•
•
Rock/plates are sliding in opposite directions.
Movement is only horizontal.
EARTHQUAKES!!!
Transform Boundary
Strike Slip Fault
Strike – Slip Fault