Entity: 400-MILES-VOLCANOES
400-MILES-VOLCANOES are massive volcanic centers, spanning 400 miles in diameter and persisting for millions of years. These volcanic complexes are believed to be the surface expression of rising plumes of hot mantle material.
400-MILES-VOLCANOES
Etymology
The term '400-MILES-VOLCANOES' likely originates from the immense size of these volcanic centers, spanning 400 miles in diameter.
Definition
400-MILES-VOLCANOES are massive volcanic centers, typically 60 to 120 miles across, persisting for millions of years. They are thought to be the surface expression of rising plumes of hot mantle material, unrelated to volcanic arcs or ocean ridges.
Historical Context
These volcanic complexes have likely existed for tens of millions of years, shaping the geological landscape and influencing the surrounding environment.
Cultural Significance
400-MILES-VOLCANOES hold significant scientific importance, providing insights into the dynamics of mantle plumes and long-term volcanic activity.
Related Concepts
- Hot spots
- Mantle plumes
- Volcanic arcs
See Also
A term referring to volcanic centers that are exceptionally large, measuring 400 miles in diameter and persisting for extended periods, likely due to underlying hot mantle plumes.