Asked by Jordyn Orrison on Jul 05, 2024
Verified
What are some factors that could allow flood basalts to have high-volume eruptions?
A) a large amount of magma is generated in the mantle
B) magma rises to the surface along thick dikes
C) the magma is hot and has a low viscosity
D) all of these
Flood Basalts
Extensive flows of basaltic lava that cover large areas of land or the ocean floor, resulting from massive eruptions.
Magma Generation
The process by which molten rock (magma) is formed, typically through the melting of the Earth's mantle or crust under certain temperature and pressure conditions.
Dikes
Underground structures formed when magma forces itself across rock layers and solidifies.
- Analyze the factors contributing to the volume and intensity of volcanic eruptions.
Verified Answer
FM
Frederick MaxeyJul 09, 2024
Final Answer :
D
Explanation :
All of the options listed are factors that contribute to the high-volume eruptions of flood basalts. A large amount of magma generated in the mantle, the magma rising to the surface along thick dikes, and the magma being hot with low viscosity all facilitate the conditions necessary for these extensive lava flows.
Learning Objectives
- Analyze the factors contributing to the volume and intensity of volcanic eruptions.