Podcast
Questions and Answers
Which type of lava flow has the highest viscosity?
Which type of lava flow has the highest viscosity?
- Basaltic
- Rhyolitic (correct)
- Andesitic
- Obsidian
What is the temperature range of lava flow?
What is the temperature range of lava flow?
- 800-1000 Celsius degree
- 500-800 Celsius degree
- 1000-1200 Celsius degree (correct)
- 100-500 Celsius degree
Which type of igneous rock is most commonly associated with shield volcanoes?
Which type of igneous rock is most commonly associated with shield volcanoes?
- Andesite
- Rhyolite
- Basalt (correct)
- Obsidian
What is the gas content of andesitic lava flow?
What is the gas content of andesitic lava flow?
Which type of volcano is known for its explosive and quiet eruptions?
Which type of volcano is known for its explosive and quiet eruptions?
Flashcards
Lava Flow with Highest Viscosity?
Lava Flow with Highest Viscosity?
Rhyolitic lava has the highest viscosity due to its high silica content, making it thick and resistant to flow.
Temperature Range of Lava Flow
Temperature Range of Lava Flow
Lava flows typically range from 1000 to 1200 degrees Celsius.
Igneous Rock in Shield Volcanoes?
Igneous Rock in Shield Volcanoes?
Basalt is the igneous rock most commonly associated with shield volcanoes because of its low viscosity, allowing for broad, gently sloping formations.
Gas Content of Andesitic Lava
Gas Content of Andesitic Lava
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Volcano with Explosive and Quiet Eruptions?
Volcano with Explosive and Quiet Eruptions?
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Study Notes
Lava Flows
- The type of lava flow with the highest viscosity is andesitic lava flow.
Igneous Rocks and Volcanoes
- Shield volcanoes are most commonly associated with the formation of tholeiitic basalt, a type of igneous rock.
Lava Flow Characteristics
- The temperature range of lava flow is between 700°C to 1,300°C (1,300°F to 2,400°F).
- Andesitic lava flow has a high gas content.
Volcanic Eruptions
- Composite volcanoes are known for their explosive and quiet eruptions, exhibiting both violent and calm behavior.
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