Northern Arizona’s San Francisco Volcanic Field is a prominent geological landmark in the Southwest. Comprised of about 1,800 square miles, it is the location of more than 600 volcanic vents in the ...
T o the untrained eye, the Bushveld Igneous Complex (BIC), in northeastern South Africa, is kind of unassuming. It’s roughly the same size as West Virginia – or, for metric users, the Republic of ...
The same travertine quarries near Rome that built St. Peter’s Basilica and the Colosseum are still being dug out today, providing the distinctive pock-marked rock to build a new generation of churches ...
The Wyoming State Geological Survey has digitized old maps of the Granite Mountains, shedding light on hidden geological ...