Transcript Grand Canyonana1ana1ana1 (5)

Grand Canyon
National park
Ariana Afrakhteh
Map of the Grand Canyon
When did the Grand
Canyon become a
National park?
The Grand canyon
became a official
national park in 1919.
That was three years
after the National
parks creation of the
National Park Service.
It became a National
Park because it
wanted to protect
and preserve the
beautiful canyon.
Cool Facts
Many forest Fires take
place on the Grand Canyon.
The Grand Canyon is 277
miles long and 1 mile deep
in some areas.
It covers an area of 1900
square miles
The Grand Canyon has a
sky walk.
The Grand Canyon took
three to six years to form.
It was formed by the
Colorado river.
How did they use
Technology
The Grand Canyon
uses a lot of
technology. They have
video cameras and
other filming devices
that are hidden. They
have built a sky walk
so that you walk on it
you could see below
you. There are many
other ways
technology is used on
the Grand Canyon.
Types of rock found in the grand
Canyon
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Kaibab limestone
Toroweap formation
Coconio sandstone
Hermit shale
Supia formation
Redwall limestone
Muav limestone
Bright angel shale
Landforms
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Mesas
Plateaus
Rivers
Lakes
Cliffs
The Colorado river runs right through it
How is the Grand Canyon changing
“ The Grand Canyon, like other active
regions on the Earth's crust, is currently being
stretched and thinned, with some areas
undergoing uplift. It is changing because
erosion is increased in uplifted areas due to
potential energy releases from weathering.”
Environmental issues
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air quality
fire management
the impact of increased visitation
endangered species
Bibliography
• http://www.bobspixels.com/kaibab.org/geolo
gy/gc_layer.htm
• http://answers.yahoo.com/question/index?qi
d=20081106183022AAUSB2R
• http://www.nature.nps.gov/geology/parks/grc
a/
• http://www.grandcanyonnationalpark.org/images/grandcanyonskywalk
-2.jpg