Geological Sciences | Science Communication
You don’t need to go on a Jules Verne journey down to the center of the Earth, sometimes the center of the Earth is brought up to us! These rocks are examples of peridotite xenoliths. A xenolith is a fragment of rock that becomes enveloped by magma without being melted or incorporated into it. In these… Continue reading A journey to the center of the Earth | Peridotite xenoliths
Located just north of Flagstaff, Arizona, the San Francisco volcanic field comprises an area of 1,800 sq miles and contains around 600 volcanoes. These volcanoes range in age from 6 million years old to less than 1,000 years old. Given their location on the Colorado Plateau, many volcanoes have experienced little erosion (like SP Crater… Continue reading San Francisco Volcanic Field
Emily Zawacki, Ph.D. 