Q:

What are cinder cone volcanoes made of?

A:

Cinder cone volcanoes are made of material called scoria, a low density form of basalt. Scoria forms as gases in the lava try to force their way out of the molten material through a vertical path.

As the gas escapes, it carries lava high in the air. This ash material then cools into rock filled with air pockets before it strikes the ground forming a cone around the vent without sticking together. Lava rock from cinder cone volcanoes is popular in landscaping. The red rock is a lightweight material that is easy for the landscaper to transport and spread. In the United States, cinder cone volcanoes are visible in California, Oregon and Hawaii.


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    A:

    Examples of cinder cone volcanoes are Kula and Karapinar in Turkey; Taal Volcano in the Philippines; Hverfjall in Iceland; El Jorullo, Parícutin and Pinacate Peaks in Mexico; Mounts Leura, Fox and Elephant in Australia; Royal Society Volcano in Antarctica; Manda-Inakir on the Ethiopia-Djibouti border and Barren Island in the Andaman Islands. The United States hosts over 100 cinder cones, mainly in western states and Hawaii.

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