Surficial geology of the Santan Mountains Piedmont Area, northern Pinal and eastern Maricopa County Area, Arizona

This report presents the results of surficial geologic mapping of the Chandler Heights and Sacaton NE, 7.5-minute quadrangles located in the Santan Mountain piedmont area (herein referred to as Santan Piedmont) southeast of the Phoenix metropolitan area (Figure 1). Adjacent 7.5-minute quadrangles located to the east (Magma), south (Blackwater and Sacaton), and west (Gila Butte) have been previously mapped (Huckleberry 1993b, 1992). Most of the southern part of the Chandler Heights and Sacaton NE quadrangles is undeveloped and under the jurisdiction of the Gila River Indian Community and Bureau of Land Management; smaller areas are under private ownership and consist of low density housing. Most of the northern part of the Chandler Heights and Sacaton NE quadrangles is agriculturally developed and privately owned and includes the communities of Chandler Heights and Queen Creek. Most of the geologic materials within the project area are composed of deposits derived from the Santan Mountains except in the extreme northern and eastern portions where sediments are derived from the Superstition Mountains area (see Huckleberry, 1993b). Surficial Geology of the Santan Mountains Piedmont Area, northern Pinal and eastern Maricopa County Area, Arizona. Report with two map sheets, map scale 1:24,000.Documents in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact azgs-info@email.arizona.edu