Scientists have proposed a new mechanism for the activity of the Yellowstone supervolcano, suggesting it may be powered by a ‘mantle wind’ rather than a deep rising plume from the Earth’s core.
The researchers contend that flowing hot rock in the upper mantle, rather than a deep plume rising from near the core, generates the magma that fuels Yellowstone. This represents a fundamentally new understanding of the forces behind one of the world’s most closely studied volcanic systems.
Yellowstone, located primarily in Wyoming, sits atop a massive volcanic system that has produced enormous eruptions in the geologic past. Its underlying mechanisms have long been a subject of scientific study, with the traditional explanation centering on a deep mantle plume.
The concept of a mantle plume involves a column of hot material rising from deep within the Earth, feeding volcanic activity at the surface. The new proposal challenges this view by attributing the supervolcano’s magma to dynamics within the upper mantle instead.
Understanding the source of Yellowstone’s magma is important for interpreting its behavior and the broader processes shaping volcanic activity. Revised models can influence how scientists assess and monitor such systems.
The unexpected finding adds to ongoing scientific discussion about the origins of Yellowstone’s volcanism. If supported by further research, the mantle wind explanation could reshape understanding of how the supervolcano is sustained and contribute to wider knowledge of mantle dynamics beneath the continent.
Created by Ayen Stabel.
Stabel is AI and can make mistakes.
Sources:
https://www.sciencedaily.com/