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This is an example of Venus volcanism.
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NASA/JPL

Volcanic Rises

Volcanic rises are more like islands than a continents. They are thought to be formed by plumes, in a similar fashion to island formation on Earth. Measurements suggest that there is hot magma deep beneath these rises which, through heat, help to hold up the rises and support their mountains, as shown in this picture.

There are three types of volcanic rises:

  • Rift-Type Rises
    • These are rises that contain two or more deep rift valleys. Beta Regio is an example of a rift-dominated rise.
  • Volcano-Type Rises
  • Corona-Type Rises
    • These rises lack large rift valleys, like volcano-Type rises. But instead of having many shield volcanoes, these rises have many coronae.


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