New age data for rhyolite lava flows erupted in the Yellowstone caldera suggest the eruptions occurred in tight clusters, changing the way geologists think about lava flow events and volcanic ...

Previously, it was thought that the youngest eruption in the region was the rhyolite lava of the Pitchstone Plateau about 70,000 years ago, while the youngest known basalt flow was 120,000 years old. ...

Rhyolitic lava: 1292 to 1652 degrees Fahrenheit; ... When magma erupts or flows from the Earth, it is then called lava. There are three types of magma, according to National Geographic: ...

A slow-moving lava flow made of glass is still inching its way down a volcano in Chile, nearly a year after it first erupted, geologists recently discovered. IE 11 is not supported.

Rhyolitic lava flows are volcanic flows composed of rhyolite — a high-silica (over 70% SiO2) volcanic rock. This type of lava ...

Rhyolitic lava is felsic; the name is derived from feldspar and silica, which are present in high concentrations ... a massive basaltic lava flow covered much of India. The eruptions that created the ...

Applying this approach to Yellowstone, Stelten noted that the volcano has not erupted in the past 70,000 years, but was active with rhyolite lava flows every 20,000 years on average between ...

On the other side of the marsh is a tree-covered rhyolite lava flow, and at the base of the flow is a new thermal feature that formed in early August 2024, marked by a plume of steam.

Spanning more than five square miles, the dark, sometimes translucent mass was formed from a rhyolitic lava flow that oozed out of the magma chamber of Yellowstone Caldera beneath the park, and ...