 |
|
||||
 Blog Entries
|
 Four types of volcanoes The first type of volcano is a composite volcano. It is made of layers of solid lava flows infused with layers of sand. They can be tens of miles across and ten thousand feet high. A good example of a composite volcano is Mount St Helens. The second type of volcano is a cinder cone volcano. It’s about a mile across and ten thousand feet high. They’re made of entirely loose grain, and have very steep sides, also have small crater on top. The third type of volcano is the shield volcano. These volcano can be hundreds of miles across and tens of thousands of feet high. It consist of low slopes and almost fully frozen lavas, it usually have a large crater on top. A good example of a shield volcano is the Mauna Loa. It’s a volcano at Hawaii it is the world largest single mountain. It also is 30,000 feet above ocean floor. The last type of volcano is the Giant caldera. It is hundreds or even thousands of miles across. These volcano form by collapses in huge eruptions. One caldera could fill Yellowstone Park. Article posted November 2, 2009 at 10:16 PM • comment • Reads 1865 • see all articles |
 |
|||