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What do the word volcanism and volcano indicate?

What do the word volcanism and volcano indicate?

Answer: Volcanism is the process where deep magma erupts onto the surface or emplaces near the surface through a volcanic conduit, thereby forming various types of volcanic debris. volcano is an opening in the earth’s crust through which lava, volcanic ash, and gases escape.

Is volcanic eruption and volcanism the same?

Volcanism (or volcanicity) is the phenomenon of eruption of molten rock (magma) onto the surface of the Earth or a solid-surface planet or moon, where lava, pyroclastics and volcanic gases erupt through a break in the surface called a vent.

What are the 2 main areas of convergent volcanism?

Volcanoes at convergent plate boundaries are found all along the Pacific Ocean basin, primarily at the edges of the Pacific, Cocos, and Nazca plates. Trenches mark subduction zones, although only the Aleutian Trench and the Java Trench appear on the map in figure 1.

What’s the difference between a volcano and a mountain?

Magma-formed mountains form when pressure from below forces the crust upwards and creates peaks, but the magma fails to reach the surface. Volcanoes, on the other hand, form from the accretion of lava after repeated volcanic eruptions.

How are composite volcanoes different from regular volcanoes?

Composite volcanoes are made of cinders, ash, and lava. Cinders and ash pile on top of each other, lava flows on top of the ash, where it cools and hardens, and then the process repeats. Shield volcanoes are volcanoes shaped like a bowl or shield in the middle with long gentle slopes made by basaltic lava flows.

How many types of volcanoes are there in the world?

Volcanoes are grouped into four types: 1 Cinder cones 2 Composite volcanoes 3 Shield volcanoes 4 Lava volcanoes More …

How are cinder cone volcanoes different from other volcanoes?

Cinder cone volcanoes are characterized by eruptions of lava fountains. However, the gas within it causes it to explode into smaller blobs and bombs that fall around the vent. These eruptions are known as Strombolian eruptions.