The highest peak in Arizona is situated in the glorious San Francisco Peaks in the 1.86-million-acre Coconino National Forest. Towering over the landscape at almost 13,000 feet is Humphreys Peak, the ...
One of my favorite places on earth is Hawaii Volcanoes National Park on the Big Island, and who knew that there was a similar place to explore in Northern Arizona? Sunset Crater National Monument is ...
Volcanoes and contact metamorphism (existing rocks exposed to magma) have played an important role in the geologic history and diverse mineral composition of Arizona. From 1.8 billion years ago during ...