One notable locality for augite specimens in Arizona is northwest of Flagstaff at Red Mountain, a cinder cone volcano that exploded more than 750,000 years ago. Specimens occur in volcanic tuff ...

What captivates visitors most about this region is what's on or under the ground, from its otherworldly landscape to numerous ...

Not one, but two mysterious volcanic eruptions occurred in Wyoming in the past and scientists are only just uncovering the ...

A trio of scientists from the Georgia Institute of Technology, Université de Lyon, and Arizona State University, respectively ...

Located 56 miles southwest of Flagstaff on the east slope of Mingus Mountain — a 1,750-million-year-old volcanic tuff — the town of Jerome and its surroundings were once known as one of the ...

It was a real volcanic field—so bizarre ... When those plumes breached the surface, they flooded the land with lava, forming cones and crust that are still visible today. Over time, the climate ...

From the unusual natural scenery to its rock-hewn churches and frescos, discovering all of what Cappadocia has to offer is ...