What are the three main volcano shapes? What are the elements that all the different volcano types have in common? Describe each
of these elements.
2 answers:
Explanation:
The shapes or volcanoes are (as seen in the image I added):
- <em>Shield:</em> they are big flat shaped in the middle with slopes created by lava as it flows, tall and broad, some examples are Mount Etna and volcanoes in Hawaii
- <em>Composite: </em>they are steep, tall and the can have multiple channels to the surface, this makes their eruptions dangerous and explosive, some examples are the St. Helens and Mt. Fuji.
- <em>Cinder cones:</em> they have symmetrical cone shape, they are created from a single opening where magma is thrown into the air, an example is the Paricutin in Mexico.
- <em>Lava domes:</em> they have the shape of a dome, they are shorter and formed when extremely viscous lava erupts. They are usually extinct and one example is the Chait'en lava dome.
<em>They have in common that all of them are formed by lava eruptions and the subsequential cooling of the magma.</em>
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