What are the external parts of a volcano?

Magma and other volcanic materials are channeled to the surface where they are expelled through a crack or hole. The main parts of a volcano include the magma chamber, conduits, vents, craters and slopes. There are three types of volcanoes: cinder cones, stratovolcanoes and shield volcanoes.Click to see full answer. Also, what is the outside of a volcano called?Vent – An opening in Earth’s surface through which volcanic materials escape. Flank – The side of a volcano. Lava – Molten rock that erupts from a volcano that solidifies as it cools. Crater – Mouth of a volcano – surrounds a volcanic vent. Conduit – An underground passage magma travels through.One may also ask, what is a structure of a volcano? A volcano is most commonly a conical hill or mountain built around a vent that connects with reservoirs of molten rock below the surface of the Earth. The term volcano also refers to the opening or vent through which the molten rock and associated gases are expelled. Herein, what is the outside of a volcano made of? An intrusion is magma that moves up into a volcano without erupting. Like a balloon, this causes the volcano grows on the inside. An extrusion is an eruption of material that causes the volcano to grow on the outside. Volcanoes are constructed this way mainly of two materials: lava and ash .What are the 3 types of volcanoes?There are three main types of volcano – composite or strato, shield and dome. Composite volcanoes, sometimes known as strato volcanoes, are steep sided cones formed from layers of ash and [lava] flows. The eruptions from these volcanoes may be a pyroclastic flow rather than a flow of lava.