Volcanism
6 questions tagged Volcanism — spanning every one of the seven Ws.
Where is Io’s volcanic activity found?
Io’s volcanoes are spread across its entire surface. It is the most volcanically active world in the Solar System.
Where is the Columbia River Basalt Group?
It is in the northwestern United States, mainly in Washington, Oregon, and Idaho. It formed from enormous lava eruptions millions of years ago.
How do mantle plumes create hotspot islands?
Hot material rises from deep in the mantle and melts through the moving tectonic plate above it. As the plate drifts, it leaves a chain of islands like Hawaii.
What is a basaltic lava plateau?
A basaltic lava plateau is a vast, flat region built by repeated eruptions of fluid basalt lava over a large area.
What is a flood basalt province?
A flood basalt province is a huge volcanic region created by enormous outpourings of basalt lava over a relatively short geologic time.
Where is the Columbia River Basalt Group found?
The Columbia River Basalt Group is in the northwestern United States, mainly Washington, Oregon, and Idaho. It formed from huge lava flows in the Miocene epoch.