Volcanic activity is frequently found at which of the following plate boundaries? (Select ALL that apply) O divergent boundaries O transform boundaries ocean-ocean convergent boundaries ocean-continent convergnet boundaries O continent-continent convergent boundaries

Applications and Investigations in Earth Science (9th Edition)
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Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Chapter1: The Study Of Minerals
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**Volcanic Activity and Plate Boundaries**

**Question:**
Volcanic activity is frequently found at which of the following plate boundaries? (Select ALL that apply)

**Answer Choices:**

- ✓ Divergent boundaries
- ✓ Transform boundaries
- ☐ Ocean-ocean convergent boundaries
- ✓ Ocean-continent convergent boundaries
- ☐ Continent-continent convergent boundaries

**Explanation:**
In geology, volcanic activity is closely related to the movement of the Earth's tectonic plates. The different types of plate boundaries play a significant role in where volcanoes are found. Here is an overview of the boundaries mentioned:

1. **Divergent Boundaries:**
   - These are regions where tectonic plates are moving apart.
   - Volcanic activity is common here as magma rises to fill the gap, creating new crust.

2. **Transform Boundaries:**
   - These boundaries occur where two plates slide past one another.
   - Volcanic activity is less common, but can occur due to the complex interactions and shearing of crustal materials.

3. **Ocean-Ocean Convergent Boundaries:**
   - These occur where one oceanic plate subducts (dives) beneath another.
   - This type of boundary often forms volcanic island arcs.

4. **Ocean-Continent Convergent Boundaries:**
   - In these zones, an oceanic plate subducts below a continental plate.
   - This is a major site for volcanic activity, forming volcanic mountain ranges on the continent.

5. **Continent-Continent Convergent Boundaries:**
   - At these boundaries, two continental plates collide.
   - This typically results in mountain building rather than volcanic activity, as the crust is too thick and buoyant to subduct significantly and melt.

Understanding the relationship between plate tectonics and volcanic activity is crucial for deciphering Earth's geological processes and assessing volcanic hazards.
Transcribed Image Text:**Volcanic Activity and Plate Boundaries** **Question:** Volcanic activity is frequently found at which of the following plate boundaries? (Select ALL that apply) **Answer Choices:** - ✓ Divergent boundaries - ✓ Transform boundaries - ☐ Ocean-ocean convergent boundaries - ✓ Ocean-continent convergent boundaries - ☐ Continent-continent convergent boundaries **Explanation:** In geology, volcanic activity is closely related to the movement of the Earth's tectonic plates. The different types of plate boundaries play a significant role in where volcanoes are found. Here is an overview of the boundaries mentioned: 1. **Divergent Boundaries:** - These are regions where tectonic plates are moving apart. - Volcanic activity is common here as magma rises to fill the gap, creating new crust. 2. **Transform Boundaries:** - These boundaries occur where two plates slide past one another. - Volcanic activity is less common, but can occur due to the complex interactions and shearing of crustal materials. 3. **Ocean-Ocean Convergent Boundaries:** - These occur where one oceanic plate subducts (dives) beneath another. - This type of boundary often forms volcanic island arcs. 4. **Ocean-Continent Convergent Boundaries:** - In these zones, an oceanic plate subducts below a continental plate. - This is a major site for volcanic activity, forming volcanic mountain ranges on the continent. 5. **Continent-Continent Convergent Boundaries:** - At these boundaries, two continental plates collide. - This typically results in mountain building rather than volcanic activity, as the crust is too thick and buoyant to subduct significantly and melt. Understanding the relationship between plate tectonics and volcanic activity is crucial for deciphering Earth's geological processes and assessing volcanic hazards.
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