Silver Creek Caldera & Peach Spring Tuff Field Trip

 Silver Creek Caldera and Peach Spring Tuff Field Trip led by Dr. Charles Ferguson, Arizona Geological Survey
Sun.–Mon., 13–14 May, 7:30 a.m. departure; 4:30 p.m. return.
Cost: $268 (includes transportation, guidebook, one night lodging, lunch, and snacks). 
This two-day field trip will visit key localities of the widespread, Miocene-age Peach Spring Tuff at its proxy type locality near Kingman, Arizona (Day 1), including its previously unrecognized, uppermost, phenocryst-rich trachytic zone, and the geology in and around the Silver Creek caldera near Oatman, including its phenocryst-rich, trachytic caldera fill (Day 2).