McIntosh, W.C., and Ferguson, C.A., 1998, Sanidine, single crystal, laser-fusion 40Ar/39Ar geochronology database for the Superstition Volcanic Field, central Arizona: Arizona Geological Survey Open-File Report 98-27, 74 p.
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Geochronology, Volcanic, Coffee Flat Mountain Fm - Miocene, Apache Leap Tuff, (Superstition Fm)(Superstition Tuff)(Superstition Welded Tuff)Apache Leap Tuff, (Canyon Lake Mbr - Superstition Tuff)(Canyon Lake welded tuff)(Canyon Lake vitrophyre)(Canyon Lake tuff)Apache Leap Tuff, (Dogie Spring Mbr - Superstition Tuff)(Dogie Spring Welded Tuff)Apache Leap Tuff, upper Flatiron unit(upper Flatiron mbr - Superstition Tuff/Superstition Welded Tuff) - Apache Leap Tuff, lower Flatiron unit(lower Flatiron mbr - Superstition Tuff/Superstition Welded Tuff) - Apache Leap Tuff, (Hieroglyphic mbr - Superstition Tuff/Superstition Welded Tuff)unit of Hieroglyphic Canyon - Apache Leap Tuff, (Siphon Draw Mbr - Superstition Tuff)(Siphon Draw rhyodacite tuff)(Siphon Draw welded tuff)(Siphon Draw tuff)Apache Leap Tuff, unit of Buzzards Roost(dacite of Buzzards Roost)(rhyodacite of Buzzards Roost), Whitlow Canyon Fm(rhyodacite of Whitlow Canyon)(Whitlow Canyon type rhyodacite lava), Superstition Group - Miocene,