At shallow depths, roughly 4 to 11 kilometers (2.5 to 7 miles) below Yellowstone caldera, four distinct reservoirs of rhyolitic magma storage were identified. Rhyolite is a composition that is ...

In the last 2.1 million years, the complex has undergone three major caldera-forming episodes ... the researchers explained in their paper. Rhyolite is a thick, silica rich magma that flows ...

complex, dynamic region of Earth's crust that is both spectacularly beautiful and deeply dangerous. In the past 2 million years, Yellowstone has undergone three huge, caldera-forming eruptions ...

Picture: US National Park Service But the area’s complex geography has ... has shifted to northeast Yellowstone Caldera.” And the near-surface rhyolite fills a volume of about 440 sqkm ...

Scientists have long assumed that Yellowstone possesses a single magma reservoir, which can feed both "gentle" basaltic eruptions and explosive rhyolite ... the Yellowstone caldera, as well ...