Download - III. Layers of the Earth
![Page 1: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/1.jpg)
III. Layers of the Earth
![Page 2: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/2.jpg)
IV. Plate Boundaries
![Page 3: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/3.jpg)
![Page 4: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/4.jpg)
IV. Plate BoundariesA. Plates move by convection currents in mantle
Plate movement
![Page 5: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/5.jpg)
![Page 6: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/6.jpg)
B. Convergent Plate Boundary
PLATES TYPEWhat
Happens?Resulting Features
Location
Oceanic + Oceanic
Subduction zone
More dense
subducts
volcanic islands
Aleutian Islands,
Philippines
Ocean + Continent
Subduction zone
Oceanic subducts
volcanic mtns
Andes, Cascades
Continent + Continent Collision
Plates push up mountains Himalayas
![Page 7: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/7.jpg)
Ocean-Ocean (Subduction)
![Page 8: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/8.jpg)
Ocean-Continent (Subduction)
![Page 9: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/9.jpg)
Continent-Continent (Collision)
![Page 10: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/10.jpg)
C. Divergent Plate Boundary
PLATES TYPE What Happens?
Resulting Features Location
Oceanic + Oceanic
Spreading Center
New young crust rises up to fill in gap, which
also fills with H2O
Mid-Ocean Ridges
Mid Atlantic Ridge, Iceland
Continent + Continent
Spreading Center
Bodies of water Red Sea
![Page 11: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/11.jpg)
![Page 12: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/12.jpg)
![Page 13: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/13.jpg)
D. Transform Fault Boundary
PLATES What Happens? Resulting Features Location
Ocean + Ocean
Plates slide past each other
Fault Lines, Earthquakes,
Tsunami
Indian Ocean Tsunami
Continent + Continent
Plates slide past each other
Fault Lines, Earthquakes
San Andreas Fault
![Page 14: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/14.jpg)
![Page 15: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/15.jpg)
V. Seafloor Spreading• Oceanic crust is only about 200 million years old, where continental crust is about 3.5 billion years old!
• Oceanic crust is constantly being made and subducted.
![Page 16: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/16.jpg)
V. Seafloor Spreading
OLD
YOUNG
![Page 17: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/17.jpg)
VI. Hot SpotsA. Caused by rising
mantle plumesB. Create Volcanoes and
Volcanic Islands1. Hawaiian Islands2. Yellowstone National
Park 3. Azores4. Galapagos
Hawaiian Islands
![Page 18: III. Layers of the Earth](https://reader036.vdocument.in/reader036/viewer/2022062314/56813757550346895d9ee650/html5/thumbnails/18.jpg)
VI. Hot Spots