Geologic map and cross sections of the northern Tortilla Mountains, Pinal County, Arizona

Mineral District, Map, Bedrock, Cross-section, (Hackberry fm - San Manuel Fm - Miocene - San Manuel assemblage)Hackberry Wash facies - Cloudburst Fm - Oligocene/Miocene - mid-Tertiary volcanic assemblage, (Grayback granodiorite)(Grayback Mountain granodiorite) (Tortilla Mts.)Tea Cup Granodiorite - Paleocene, Hackberry diorite - Cretaceous(?)/Paleocene(?),