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Questions and Answers
There are two main types of volcanoes: stratovolcano and shield volcano.
True
Stratovolcanoes are characterized by their flat and broad shapes.
False
Cinder cones and lava domes are examples of volcanic features that can form from erupted magma.
True
A caldera is a type of shield volcano.
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Processes that shape volcanoes are irrelevant to their classification.
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Study Notes
Types of Volcanoes
- Stratovolcanoes: Characterized by their large, steep profiles, typically formed from alternating layers of lava flow, ash, and other volcanic debris.
- Shield Volcanoes: Distinguished by their broad, gently sloping sides, created primarily by low-viscosity basaltic lava that can flow over great distances.
Volcanic Features
- Cinder Cones: Small, steep-sided cones formed from the eruption of cinders and small volcanic rocks. They usually result from a single, short-lived eruption.
- Lava Domes: Formed by the slow extrusion of highly viscous lava, creating a dome-shaped mound. These can grow over time and often collapse.
- Calderas: Large depressions formed when a volcano erupts and collapses after emptying its magma chamber, leading to significant landform changes.
Volcano Formation Processes
- Various processes can shape volcanoes beyond mere classification, contributing to the complexity of volcanic landscapes and features.
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Description
Explore the two main types of volcanoes: stratovolcanoes and shield volcanoes. This quiz will also cover various volcanic features like lava domes and calderas. Test your knowledge of these geological structures and the processes shaping them.
