Transcript
![Page 1: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/1.jpg)
![Page 2: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/2.jpg)
What is a Volcano?
• Definition• Lava• Magma 1. Low-silica 2. High-silica
![Page 3: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/3.jpg)
Volcanic Eruptions• Quiet eruption 1. Low gas 2. Lava flows
![Page 4: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/4.jpg)
Volcanic Eruptions (cont.)• Explosive eruption 1. High gas 2. Tephra 3. Particle size
![Page 5: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/5.jpg)
Types of Volcanoes• Shield volcanoes 1. Low-silica 2. Lava flows 3. Description
![Page 6: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/6.jpg)
Types of Volcanoes (cont.)• Cinder cone volcanoes 1. Low-silica/high gas 2. Fire fountains 3. Tephra 4. Description
![Page 7: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/7.jpg)
Types of Volcanoes (cont.)• Composite volcanoes 1. High-silica 2. Lava flows/tephra 3. Description
![Page 8: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/8.jpg)
![Page 9: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/9.jpg)
Volcano Locations• Divergent boundaries 1. Rifts 2. Low-silica 3. Mid-ocean ridge
Surtsey
![Page 10: What is a Volcano? Definition Lava Magma 1. Low-silica 2. High-silica](https://reader035.vdocuments.us/reader035/viewer/2022081503/56649ee75503460f94bf8612/html5/thumbnails/10.jpg)
Volcano Locations (cont.)• Convergent boundaries 1. Subduction zones 2. High-silica 3. Ring of Fire