via Nealtican lava flow field, Popocatépetl volcano: A window to the past and future hazards Boulder, Colo., USA: The Popocatépetl volcano, located southeast of Mexico City, stands as the second highest peak in Mexico and is considered to be one of the potentially most dangerous volcanoes in the world, given its record of highly explosive… Continue reading Nealtican lava flow field, Popocatépetl volcano: A window to the past and future hazards
Tag: volcano
A journey to the center of the Earth | Peridotite xenoliths
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
Pinacate Volcanic Field
Located in far northwest Sonora, Mexico, the Pinacate volcanic field comprises a 1,500 km2 area of Pleistocene lava flows with over 400 cinder cones and 8 maars. The volcanoes in the Pinacate are monogenetic—meaning they erupt only once and each have a unique magmatic signature. The field today is part of El Pinacate and Gran… Continue reading Pinacate Volcanic Field
San Francisco Volcanic Field
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
Volcanism on Mars
Mars is home to Olympus Mons (pictured above), the largest volcano in the solar system. Rising 21-24 km from the surrounding area, Olympus Mons is the dominant spot in the Tharsis region, which is the largest topographic feature on the planet. The Tharsis volcanic province covers close to 25% of the planet’s surface and houses… Continue reading Volcanism on Mars