Different Types of Volcanoes and Their Characteristics
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Questions and Answers

What is the main factor that differentiates the four main types of volcanoes?

  • Location
  • Eruptive style
  • Height
  • Composition (correct)

Which type of volcano is typically characterized by low-explosivity and mostly lava flows?

  • Shield (correct)
  • Lava Domes
  • Composite
  • Cinder Cone

What are composite cone volcanoes also called?

  • Stratovolcanoes (correct)
  • Cinder Cones
  • Shield volcanoes
  • Lava domes

What type of material are composite cone volcanoes mainly composed of?

<p>Andesite (C)</p> Signup and view all the answers

What is the characteristic height range of cinder cone volcanoes?

<p>100-400 m (C)</p> Signup and view all the answers

What type of lava is typically found in composite cone volcanoes?

<p>Felsic (D)</p> Signup and view all the answers

Which famous volcano is a composite cone volcano?

<p>Mount Vesuvius (B)</p> Signup and view all the answers

What type of eruption is typically associated with shield cone volcanoes?

<p>Effusive (C)</p> Signup and view all the answers

What is the primary difference between shield cone and composite cone volcanoes?

<p>Shape of the volcano (C)</p> Signup and view all the answers

What material is a pyroclastic flow composed of?

<p>Ash, rock fragments, and hot gases (D)</p> Signup and view all the answers

What is a characteristic of cinder cone volcanoes?

<p>They are typically among the smallest volcanoes in the world. (D)</p> Signup and view all the answers

What kind of eruption do cinder cone volcanoes generally experience?

<p>Explosive eruption lasting for several years (D)</p> Signup and view all the answers

What type of lavas are typically found in cinder cone volcanoes?

<p>Basalts and andesites (C)</p> Signup and view all the answers

Which volcano is mentioned as the most recently developed cinder cone volcano?

<p>Paricutin, Mexico (C)</p> Signup and view all the answers

What distinguishes lava dome volcanoes from cinder cone volcanoes?

<p>They are created by lavas that are unable to flow any great distance from the vent. (C)</p> Signup and view all the answers

What is the primary characteristic that differentiates shield volcanoes from composite cone volcanoes?

<p>Composition (B)</p> Signup and view all the answers

What is the typical eruptive style associated with cinder cone volcanoes?

<p>Mainly lava flows (D)</p> Signup and view all the answers

What is the characteristic of lava domes that sets them apart from other types of volcanoes?

<p>High silica and viscosity (A)</p> Signup and view all the answers

What type of material are composite cone volcanoes mainly composed of?

<p>Andesite (D)</p> Signup and view all the answers

What is the primary characteristic of shield volcanoes?

<p>Non-steep slopes (D)</p> Signup and view all the answers

What distinguishes lava dome volcanoes from cinder cone volcanoes?

<p>Lava domes are formed by viscous lavas that do not flow far from the vent, while cinder cone volcanoes are formed by explosive eruptions (D)</p> Signup and view all the answers

What is the characteristic height range of cinder cone volcanoes?

<p>Less than 400 m (C)</p> Signup and view all the answers

What type of lavas are typically found in cinder cone volcanoes?

<p>Basalts and andesites (B)</p> Signup and view all the answers

Which famous volcano is a composite cone volcano?

<p>Mount Saint Helens (C)</p> Signup and view all the answers

What is the primary factor that differentiates cinder cone and shield cone volcanoes?

<p>The nature of the lavas they produce (C)</p> Signup and view all the answers

What distinguishes shield cone volcanoes from composite cone volcanoes?

<p>Composite cone volcanoes have a wider base and gentler slope compared to shield cone volcanoes. (B)</p> Signup and view all the answers

What type of lava is typically found in shield cone volcanoes?

<p>Mafic (A)</p> Signup and view all the answers

Which famous volcano is a shield cone volcano?

<p>Mauna Loa (D)</p> Signup and view all the answers

What distinguishes cinder cone volcanoes from shield cone and composite cone volcanoes?

<p>Cinder cones are made from congealed lava exiting a single vent. (C)</p> Signup and view all the answers

What type of lava is typically found in composite cone volcanoes?

<p>Felsic (A)</p> Signup and view all the answers

Flashcards

Shield Volcano

A type of volcano characterized by low-explosivity and mostly lava flows.

Composite Cone Volcano

A type of volcano characterized by alternating layers of lava flows and pyroclastic debris.

Cinder Cone Volcano

A type of volcano formed by the accumulation of volcanic cinders.

Andesite

The most common type of lava found in composite cone volcanoes, characterized by its silica and viscosity.

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Effusive Eruption

A type of eruption characterized by the release of lava flows.

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Explosive Eruption

A type of eruption characterized by the expulsion of ash, rock fragments, and hot gases.

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Explosive Eruption

A type of eruption associated with composite cone volcanoes.

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Effusive Eruption

A type of eruption associated with shield cone volcanoes.

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Felsic Lava

A type of lava characterized by its high silica content and viscosity.

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Mafic Lava

A type of lava characterized by its low silica content and fluidity.

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Intermediate Lava

A type of lava characterized by its intermediate silica content and viscosity.

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Composition of Lava

The primary factor that differentiates the four main types of volcanoes.

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Shape

The primary characteristic that differentiates shield volcanoes from composite cone volcanoes.

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Lava Type

The primary characteristic that differentiates cinder cone and shield cone volcanoes.

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Viscous Lava

The primary characteristic that distinguishes lava dome volcanoes from other types of volcanoes.

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Formation

The primary characteristic that differentiates cinder cone volcanoes from shield cone and composite cone volcanoes.

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Composition

The primary characteristic that distinguishes shield cone volcanoes from composite cone volcanoes.

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Eruptive Style

The primary characteristic that differentiates cinder cone volcanoes from shield cone and composite cone volcanoes.

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Pyroclastic Flow

A type of volcanic flow composed of ash, rock fragments, and hot gases.

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Cinder Cone Volcano

A type of volcano characterized by a steep, conical shape and a small base.

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Shield Volcano

A type of volcano characterized by a wide base, gentle slopes, and a large shield-like shape.

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Composite Cone Volcano

A type of volcano characterized by a cone shape and steep slopes, formed by alternating layers of lava flows and pyroclastic debris.

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Lava Dome Volcano

A type of volcano characterized by a steep, dome-shaped structure formed by viscous lava.

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Mount Vesuvius

A famous example of a composite cone volcano.

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Mauna Loa

A famous example of a shield cone volcano.

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Mount Saint Helens

A famous example of a composite cone volcano.

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Paricutin

A famous example of a cinder cone volcano.

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Paricutin

The most recently developed cinder cone volcano.

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100-400 Meters

The characteristic height range of cinder cones.

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Study Notes

Volcano Types

  • The main factor that differentiates the four main types of volcanoes is their shape and eruption style.

Shield Volcanoes

  • Characterized by non-explosive eruptions and gentle slopes.
  • Typically have a broad, gently sloping shape.
  • Primary characteristic: gently sloping shape and non-explosive eruptions.
  • Type of lava: fluid, basaltic lava.

Composite Cone Volcanoes

  • Characterized by low-explosivity and mostly lava flows.
  • Also called stratovolcanoes.
  • Mainly composed of alternating layers of lava, ash, and other pyroclastic material.
  • Type of lava: more viscous, andesitic lava.
  • Example: Mount St. Helens.

Cinder Cone Volcanoes

  • Characterized by small, steep-sided cones and explosive eruptions.
  • Typically have a height range of 100-400 meters.
  • Characterized by: small, steep-sided cones, and explosive eruptions.
  • Type of lava: mafic to intermediate lava.
  • Example: Paricutin, a recently developed cinder cone volcano.

Lava Dome Volcanoes

  • Characterized by a steep-sided, dome-shaped volcano.
  • Distinguishing feature: highly viscous lava that piles up around the volcanic vent.
  • Differentiated from cinder cone volcanoes by their shape and eruption style.

Eruptions and Flows

  • Pyroclastic flows: composed of hot, fast-moving ash, gas, and rock.
  • Shield cone volcanoes: typically experience non-explosive eruptions.
  • Cinder cone volcanoes: generally experience explosive eruptions.
  • Lava domes: characterized by a slow, effusive eruption style.

Key Differences

  • Primary difference between shield cone and composite cone volcanoes: shape and eruption style.
  • Primary factor that differentiates cinder cone and shield cone volcanoes: shape and eruption style.
  • What distinguishes lava dome volcanoes from cinder cone volcanoes: shape and eruption style.

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Description

Explore the characteristics of different types of volcanoes and understand why some are cone-shaped while others are shield-shaped. Learn about the unique features of each type and how they are differentiated based on size, composition, and explosiveness.

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