Geologic map of the Portal quadrangle and vicinity, Cochise County, southeast Arizona

Map, Bedrock, Geochronology, Locale, Areal, latite or dacite lava of Round Valley - Oligocene, tuff of Horseshoe Canyon(Horseshoe Canyon volcanics), rhyolite welded tuff of Round Valley, [rhyolite of Cave Creek][rhyolite lava of Cave Creek](Cave Creek fm) (Chiricahua Mts.), dacite of Silver Peak, dacite of Davis Mountain, [Jhus Canyon granite][quartz monzonite of Jhus Canyon][granodiorite of Mackey Canyon] - [Jhus Canyon pluton][Jhus stock], Paradise Fm - Mississippian, Portal Fm - Devonian, [El Paso Fm][El Paso Limestone] - Montoya Group - Cambrian/Ordovician, Coronado Sandstone(Coronado Quartzite),