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Cinder Cone Volcanoes. Gwen Nytes. Composition.

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Cinder Cone Volcanoes

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Cinder cone volcanoes

Cinder Cone Volcanoes

Gwen Nytes



The magma in this type of volcano is made of basaltic-andesitic materials. The magma has an intermediate viscosity, so it’s mildly explosive. It also consists of a lot of gases, so when the lava cools and hardens in the air, gas bubbles get trapped inside. The particles fall back down as cinders, and pile around the vent.



  • Cinder cone volcanoes are made from particles and pieces of hardened lava blown out of the volcano’s single vent.

  • Usually cinder cones are formed in this order:

    • Eruption – gas-charged lava explodes from vent

    • Formation of cone and crater – Lava cools and hardens in the air and fall down as cinders. These particles accumulate, building up and forming the dome. The eruptions occurring create a crater at the top

    • Lava flow – When the lava begins to lose its gas content, it oozes down the side of the volcano as a lava flow



  • Vent – opening at Earth’s surface

  • Pipe – the passageway that the magma rises through during an eruption

  • Crater – depression at the top of the volcano where materials are released

  • Cone – sides of volcano built of solidified lava, ash, and cinders

Compare contrast

Compare & Contrast

Shield Volcanoes

Cinder Cone Volcanoes

Mildly explosive

Intermediate gas level

Intermediate silicate content

Layered structure built from pyroclastic deposits

Made of ash and cinders

  • Thin, flowing lava

    • Low silicate content

    • Low gas content

  • Gentle slope

  • Little pyroclastic material

  • Formed by hardened lava flow

Compare contrast1

Compare & Contrast

Composite Volcanoes

Cinder Cone Volcanoes

Smallest volcano

Layered cone of ash and cinders

Mildly explosive

Intermediate gas content

Intermediate silicate content

  • Steep near the top, gentler towards the bottom

  • Layers of pyroclastic material and lava flows

  • Magma has high viscosity – explosive

    • High silicate content

    • High gas content

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