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cinder cone
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A cinder cone is a type of volcano that is characterized by a steep, conical shape and is made up of loose, fragmented volcanic material known as cinders or scoria. These volcanic materials are typically formed during explosive eruptions, where gases are rapidly released from the magma.
Cinder cones are usually relatively small and have a symmetrical shape, with a crater at the summit. The inside of the crater is often filled with a bowl-shaped depression known as a volcanic crater, which may contain a small lava lake or cone.
Cinder cones are commonly found in volcanic fields, where multiple cones may be present in close proximity. They are typically made up of basaltic lava and volcanic ash, and can be found in various locations around the world, including California, Mexico, and Iceland.
Unlike other types of volcanoes, such as shield volcanoes or stratovolcanoes, cinder cones are typically short-lived and have a relatively short eruptive lifespan, with eruptions lasting from a few days to a few years. After a period of volcanic activity, cinder cones often become dormant and erode over time.