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### Understanding Volcanic Environments: Types and Locations of Volcanoes ###

Explore the diverse volcanic environments and learn to match various types of volcanoes with their respective geographical locations. This guide highlights submarine volcanoes erupting at divergent plate margins, composite cone volcanoes at compressional margins, and shield volcanoes formed at hotspots. You'll also discover the formation of calderas and the anatomical structure of volcanoes including vents and conduits. Gain insights into the characteristics of shield, cinder, and composite volcanoes, along with examples of each type. ###

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### Understanding Volcanic Environments: Types and Locations of Volcanoes ###

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  1. Volcanic Environments Match up the volcano with it’s location 3 4 1 5 2 C D E A B

  2. Volcanic Environments 3 4 1 2 Submarine volcano erupting under the ocean at the Mid Atlantic ridge, a tensional (divergent) plate margin. A

  3. Volcanic Environments 3 4 1 2 Composite cone volcano forming part of an island arc at a compressional margin where two oceanic plates meet and one is subducted under the other. B

  4. Volcanic Environments 3 4 1 2 Composite (stratovolcano) volcano found at a compressional margin where an oceanic plate is subducted beneath a continental plate. Lava is acidic and viscous. C

  5. Volcanic Environments 3 4 1 2 Shield volcano formed at a hotspot in the earth’s crust. Lava is basic and runny. Eruption is non-violent. D

  6. Volcanic Environments Match up the volcano with it’s location 3 4 1 5 2 Caldera formed by collapse of magma chamber. Crater Lake is an example. Super volcanoes are very large calderas. E

  7. Pacific Ring Of Fire

  8. Anatomy of a Volcano Crater- top of volcano bowl shape Vent – opening Conduit – tube like structure connecting Magma chamber to vent Calderas- Very large depressions, forms when magma chamber empties, collapse and usually fills with water Summit- side of volcano that collapses into empty chamber

  9. Types of Volcanoes Appearance of a volcano depends on • Type of material that forms the volcano • Type of eruptions that occur

  10. 3 Major types of Volcanoes • Shield • Cinder • Composite Each differs in size, shape and composition

  11. TEXT p. 506 • Compare and contrast the different types of volcanoes • Provide an example of each type • http://vulcan.wr.usgs.gov/Outreach/AboutVolcanoes/volcano_types_quick_reference.html

  12. ANY QUESTIONS?

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