The Ioneer project received federal approval last year after a long battle over an endangered wildflower that only grows in Nevada.

Rhyolite is a composition that is high in silica content and ... The volume of the fourth reservoir is similar to the Mesa ...

Rhyolitic lava flows are volcanic flows composed of rhyolite — a high-silica (over ... Caldera in the United States. The initial formation of a thunderegg begins with the cooling of rhyolitic ...

Rhyolite is a composition that is high in silica ... which erupted during the formation of Henrys Fork caldera (the smallest of Yellowstone’s three large caldera-forming eruptions) about 1.3 ...