The depression at the summit of a volcano or that which is produced by a meteorite impact.
supervolcano
Volcanoes are produced by mantle plumes. ( http://en.wikipedia.org/wiki/Volcano )
The Yellowstone volcano is usually called a supervolcano.
A volcano.
The Yellowstone volcano is usually called a supervolcano.
The Yellowstone volcano has primarily produced rhyolite, though some basalt has been noted.
Volcanic is an adjective, meaning "of, relating to, or produced by a volcano or volcanoes"
Ash
The eruption, by some estimates, produced about 140 million cubic meters or ash.
Yes. The Yellowstone volcano has produced several VEI-8 eruptions, the most explosive level of eruption possible.
Materials produced when a volcano erupts are called volcanic products or volcanic materials. These can include lava flows, ash, gases, and volcanic rocks such as pumice and obsidian.