Which features do most stratovolcanoes and cinder cone volcanoes have in common
Most stratovolcanoes and cinder cone volcanoes have the following features in common:
1. Cone Shape: Both stratovolcanoes and cinder cone volcanoes have a distinct cone shape formed by layers of hardened lava, ash, and other volcanic materials.
2. Explosive Eruptions: These types of volcanoes are known for their explosive eruptions. They are capable of ejecting large amounts of ash, rock fragments, and volcanic gases into the air.
3. Steep Sides: Both stratovolcanoes and cinder cone volcanoes have steep sides due to the accumulation of loose volcanic materials. The shape is often conical, with the sides becoming steeper towards the summit.
4. Lava Flows: While both types of volcanoes mainly eject solid materials, they can also produce lava flows. The lava from stratovolcanoes tends to be more viscous and flows slower, while cinder cone volcanoes often produce more fluid lava that spreads out from the cone.
5. Composite Structure: Stratovolcanoes are also known as composite volcanoes because they are built up from alternating layers of lava, ash, and other volcanic materials. Cinder cone volcanoes, on the other hand, are simpler in structure, mainly formed from pyroclastic material building up around the volcanic vent.
6. Volcanic Ash: Both types produce volcanic ash during eruptions. Volcanic ash consists of tiny particles of rock, mineral, and glass that can be carried by winds over long distances.
7. Explosive Nature: Both stratovolcanoes and cinder cone volcanoes are considered explosive volcanoes. This means that their eruptions are often more violent and unpredictable compared to shield volcanoes, which have more effusive eruptions.
It's important to note that while stratovolcanoes and cinder cone volcanoes share these common features, there are also some differences between the two types in terms of size, eruption style, and overall structure.