Go deeper into the history of each park with scholarly articles and essays from Oxford University Press, freely available for the centennial year.

Oxford Journals

Magmatic Recharge

during the Formation and Resurgence of the Valles Caldera, New Mexico, USA: Evidence from Quartz Compositional Zoning and Geothermometry

The Valles Caldera complex in north–central New Mexico, USA, represents the type example of a resurgent caldera system, characterized by eruption of two voluminous high-silica rhyolite ignimbrites, the Otowi and Tshirege Members of the Bandelier Tuff.

Learn More →