1. Andes Mountains
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Table of Contents
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Location
Age
Rock Cycle
Composition
The Future
Bibliography
Formation

3. Location Geographic Entire Western Coast of South America
The seven countries that the Andes Mountains run through
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Click screen for a diagram of the countries that the Andes' run through.
Location
Geographic
Entire Western Coast of South America
Spans through seven countries
-Venezuela, Columbia, Ecuador, Peru, Bolivia, Chile, and Argentina
4500 miles long
Tectonic Location
Runs the entire western coast of South America
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South American Plate
Nazca Plate
Andes Mountains
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Tectonic Location
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•Andes Mountains are on the South American plate. •Nazca and South American plate collided causing the Andes Mountains •Nazca plate is subducting below the South American plate •Nazca crust is scraped off adding height
Andes aerial view
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Tectonic Diagram

5. Formation of Andes Mountains
This diagram shows how over a long period of time, the Nazca plate slowly subductes under the South American plate. The farther it subductes, the bigger the Andes mountains grow and they begin to form around 60 million years ago. As the crust melts, it becomes less dense and moves to the surface creating a volcano.
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Formation of Andes Mountains
Nazca plate collided with South American plate
-Nazca plate-Oceanic Crust
-South American plate-Continental
Nazca subducted under South American plate
Volcanic mountains formed
-Crust melted creating magma that rose to surface creating volcanos
Andes Mountains were created
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6. South American and Nazca Plate Diagram
Boundary where the plates meet creating the Andes Mountains
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7. Age 140 MYA-Nazca plate subducted under South American Plate
MYA= Millions of Years Ago
140 MYA-Nazca plate subducted under South American Plate
Andes Mountains began to from 45 MYA
Formed 95 MYA after the subduction process happened
Andes Mountains in Chile.

8. Rock Cycle Destructive Force
The quick melting of the crust causes it to become less dense and rise to the surface creating volcanic mountains.
Subduction is occurring-Nazca plate subducting under South American plate.
The force of the oceanic and continental plates are causing mountains to form.
Convection currents cause the plates to move.

9. Composition Sedimentary Rocks make up the majority of the range.
-Sandstone (Clastic)
-Siltstone (Clastic)
-Shale (Clastic)
-Limestone (Chemical)
Layers of sandstone create parts of the Andes Mountains.
Limestone on a mountain

10. The Future
I think that the Andes Mountains will continue to slowly grow because the Nazca Plate is still slowly subducting under the South American Plate. Also weathering will erode the mountains making them smaller. As long as the Nazca plate is still subducting below the South American Plate, then I think there will be volcanoes forming in the Andes Mountains and erupting.

11. Bibliography
"Geological History of the Andes." Andean Summits. Portable Design, n.d. Web. 26 Oct
LiveScience. N.p., 14 Mar Web. 1 Oct <
Plate Tectonics. N.p., 1 Oct Web. 1 Oct <
Science Daily. N.p., Web. 10 Oct <