Tertiary volcanic stratigraphy in the Goldfield and Superstition Mountains, Arizona

Mineral District, Stratigraphy, Geochronology, Igneous Petrology, Volcanic, (Apache Leap fm)Apache Leap Tuff, (Superstition Fm)(Superstition Tuff)(Superstition Welded Tuff)Apache Leap Tuff - Miocene, (Siphon Draw Mbr - Superstition Tuff)(Siphon Draw rhyodacite tuff)(Siphon Draw welded tuff)(Siphon Draw tuff)Apache Leap Tuff, (Dogie Spring Mbr - Superstition Tuff)(Dogie Spring Welded Tuff)Apache Leap Tuff, (Canyon Lake Mbr - Superstition Tuff)(Canyon Lake welded tuff)(Canyon Lake vitrophyre)(Canyon Lake tuff)Apache Leap Tuff, (Geronimo Head Fm)[Peters Canyon dome complex][Peters Canyon complex], [Black Mesa basanite][basanite of Black Mesa][Black Mesa basalt][basalt of Black Mesa][basalt of Hackberry Mesa][Hackberry Mesa basalt] (Superstition Mts.), [Mesquite Flat breccia][epiclastic breccia of Mesquite Flat][fanglomerate of Mesquite Flat] - (Geronimo Head Fm) - Miocene - San Manuel assemblage, [Willow Springs basalt][basalt of Willow Springs] Superstition Mts.),