Download Fault-block Mountains

Put your Fault Lab on the books
Mountains 10/16/15
7-4d pgs. 186-187
IN: List and describe the
3 types of faults.
FAULT ANIMATIONS
 http://www.iris.edu/gifs/animations/faults.htm
San Andreas fault
zone, Carrizo
Plains, central
California.
Where and how do they form?
Mountains form at tectonic
plate boundaries where tectonic
plates are continually moving
around and bumping into one
another.
Where do mountains form?
Mountains mostly form on or
near convergent boundaries.
But not all mountains.
Himalaya
Mountains
3 types:
Folded
mountains
Fault-block mountains
Volcanic mountains
Folded Mountains
 Form when rock layers are squeezed
together and pushed upward.
Fault-block Mountains
 Form when faulting causes large blocks
of the Earth’s crust to drop down
relative to other blocks.
Fault-block Mountains
Horst & Graben
Volcanic Mountains
 Form when molten rock erupts onto the
Earth’s surface.
OUT: Name and describe
the type of tectonic stress
that forms fault-block
mountains.