Arizona Geological Survey Open File Reports


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Published: 1997
Radon is a colorless, odorless gas produced by the natural radioactive decay of uranium. The U.S. Environmental Protection Agency has determined that exposure to indoor radon may increase a person...
Resource Identifiers: OFR-97-06

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Published: 1997
This map depicts both the bedrock geology and the general ages and distribution of Late Tertiary and Quaternary deposits and geomorphic surfaces in the Stewart Mountain quadrangle (see Figure 1)....
Resource Identifiers: OFR-97-12

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Published: 1997
This report is a comprehensive listing of citations pertaining to the geology of uranium- and copper-bearing breccia pipes on or near the Colorado Plateau of Arizona. It consists of 205 citations and...
Resource Identifiers: OFR-97-13

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Published: 1997
The San Pedro River is divided into upper and lower reaches based on environmental and geomorphic contrasts (Tuan, 1962; Heindl, 1952a,b). The upper reach extends from the headwaters to "The...
Resource Identifiers: OFR-97-21

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Published: 1998
AZMILS-MRDS records for mineralized sites in the San Carlos-Saffor-Duncan Nonpoint-Source Management Zone, Arizona Report and one map sheet, map scale 1:500,000.
Resource Identifiers: OFR-98-04

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Published: 1998
identifies mineralized areas in the San Carlos-Safford-Duncan Nonpoint-Source Management Zone (Figure 1) and their potential affects on water quality. Natural processes can concentrate an element...
Resource Identifiers: OFR-98-03

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Published: 1998
The Biscuit Flat Quadrangle is located in the northwestern Phoenix metropolitan area, between Interstate 17 (I-17) and the Agua Fria River (Figure 1). The quadrangle is bounded by latitudes 33°45...
Resource Identifiers: OFR-98-19

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Published: 1998
The Union Hills 7.5-minute Quadrangle is located in the Phoenix metropolitan area. The quadrangle is located north of downtown Phoenix and is bordered by Paradise Valley to the north and east, and...
Resource Identifiers: OFR-98-20

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Published: 1998
This report and accompanying maps describe the geology, geomorphology, and geologic hazards of the Casa Grande area in central Arizona. This mapping covers six 7 1/2' quadrangles (Stanfield,...
Resource Identifiers: OFR-98-23

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Published: 1998
The New River Mesa Quadrangle is located along the northern fringe of the Phoenix metropolitan area. The quadrangle includes several high-standing mesas, and although the rugged terrain of the New...
Resource Identifiers: OFR-98-12

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Published: 1998
This geologic map was produced to compile and reinterpret published geologic information, and present the result of new geologic mapping in the Ray-Superior area. This data set serves as the basis...
Resource Identifiers: OFR-98-13

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Published: 1998
Tonto Basin is a Mid-Tertiary, west-tilted half-graben located in the Transition Zone tectonic province of central Arizona (Figure 1). Along with the northerly adjacent Payson Basin, Tonto Basin is...
Resource Identifiers: OFR-98-16

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Published: 1998
This report presents a compilation of geologic and hydrologic information for the Bullhead City-Black Mountains area of we stem Arizona. The purpose of the project is to determine the significance...
Resource Identifiers: OFR-98-26

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Published: 1998
In October 1996, two stratigraphic sections of the Late Proterozoic Chuar Group located in the Nankoweap Canyon and Carbon Canyon areas of the eastern Grand Canyon National Park, Arizona, were...
Resource Identifiers: OFR-98-17

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Published: 1998
The Daisy Mountain Quadrangle, located along the northernmost fringe of the Phoenix metropolitan area, straddles the physiographic boundary between the Basin and Range and Transition Zone (Figure 1...
Resource Identifiers: OFR-98-22

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Published: 1998
Radon is a colorless, odorless gas produced by the natural radioactive decay of uranium. The U.S. Environmental Protection Agency has determined that exposure to indoor radon increases human risk of...
Resource Identifiers: OFR-98-09

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Published: 1998
This report provides references for geophysical data in the San Carlos-Safford-Duncan Nonpoint-Source Management Zone (Figure 1). Types of studies and geophysical data include magnetic, resistivity...
Resource Identifiers: OFR-98-07

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Published: 1998
This report includes the analytical data for four 40Ar/39Ar cooling dates from samples collected in the Harquahala and Little Harquahala Mountains of west-central Arizona. The samples were collected...
Resource Identifiers: OFR-98-25

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Published: 1998
This compilation reports 174 K-Ar dates from the San Francisco Volcanic Field in northern Arizona. Of these dates, 112 are from the US Geological Survey in Menlo Park, California, and 62 are from...
Resource Identifiers: OFR-98-02

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Published: 1998
The New River SE 7.S-minute Quadrangle is located in the northern fringe of the Phoenix metropolitan area and is bordered by Biscuit Flat to the west, the Union Hills to the south, Paradise Valley...
Resource Identifiers: OFR-98-21

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