According to Oregon State University, these are the temperatures of common lava types: Rhyolitic lava: 1292 to 1652 degrees Fahrenheit Dacite lava: 1472 to 2012 degrees Fahrenheit Andesite lava ...

lava domes, or in rare cases small explosive eruptions. These eruptions are referred to as intracaldera rhyolite eruptions because they take place from vents within the caldera structures.

A mafic volcanic eruption is one characterized by lava flows low in silica and high in iron and magnesium. Rhyolitic lava flows are viscous in nature and form lava domes that are thick and blocky.

The new steam vent is at the foot of a rhyolite lava flow almost 10 feet above the marshland below and is part of an area of warm, hydrothermally altered ground roughly 200 feet long. Get the ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Drew White, graduate student ...

You wouldn’t know it from the road. But the stand of trees is hiding a rhyolite lava flow, a thick type of lava that tends to form short, chunky flows throughout the Yellowstone Caldera.

Baldwin highlighted the historical significance of Yellowstone’s eruptions, stating, “There have been some big eruptions ...