Arizona Geological Survey Open File Reports


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Published: 1992
The principal objective of this study is to evaluate the western piedmont of the McDowell Mountains to determine which areas may be subject to alluvial-fan flooding. The McDowell Mountains piedmont...
Resource Identifiers: OFR-92-08

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Published: 1992
Fission-track thermochronologic data have the potential to reveal aspects of the timing, rate, and style of crustal extension tectonics. Previous fission-track studies in the footwalls of detachment...
Resource Identifiers: OFR-92-09

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Published: 1993
Earth fissures are a geologic hazard that could interrupt delivery of water to users of the Central Arizona Project (CAP) Tucson Aqueduct. Since the first earth fissure reported in Arizona was...
Resource Identifiers: OFR-93-11

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Published: 1993
The Painted Rock Mountains are about 15 miles west of the town of Gila Bend in southwestern Maricopa County, Arizona (Fig. 1). The narrow north-south trending mountain range is approximately 12...
Resource Identifiers: OFR-93-07

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Published: 1993
In 1992 the Arizona Geological Survey (AZGS) organized a repository in which drill core that the AZGS has accumulated through donations is stored and available for public inspection. The repository...
Resource Identifiers: OFR-93-02

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Published: 1993
This index shows the locations of geologic maps in the Mesa 10 x 2 0 Quadrangle. Three types of maps are included, as follows: Sheet 1, published maps; Sheet 2, unpublished thesis and dissertation...
Resource Identifiers: OFR-93-19

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Published: 1993
Geologic Map of the Phoenix South 30' x 60' Quadrangle, Central Arizona. Scale 1:100,000
Resource Identifiers: OFR-93-18

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Published: 1993
The western Harcuvar Mountains are a fairly rugged~ fairly inaccessible range located north and northwest of Salome in west-central Arizona. The area was mapped in a detailed reconnaissance manner...
Resource Identifiers: OFR-93-08

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Published: 1993
Most of southern and western Arizona is covered with unconsolidated basin sediments that are not mapped in detail. Although these sediments have diverse physical characteristics, origins, and ages...
Resource Identifiers: OFR-93-03

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Published: 1993
The area described in this study includes the western Eagletail Mountains, Yuma county, Arizona and includes much of the Eagletail Mountains Wilderness Area (Figure 1). Bedrock in this area consists...
Resource Identifiers: OFR-93-12

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Published: 1993
Earth fissures have damaged the Central Arizona Project (CAP), and threaten to do so again in the future. Many fissures exist near Reach 1 of the Tucson Aqueduct, located west of the Picacho...
Resource Identifiers: OFR-93-1a

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Published: 1993
Annual Report for 1933
Resource Identifiers: OFR-93-20

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Published: 1993
Face Mountain and Oatman Mountain·are located approximately 25 miles northwest of the town of Gila Bend and about 15 miles north of the town of Sentinel, in southwestern Maricopa County, Arizona....
Resource Identifiers: OFR-93-10

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Published: 1993
These nine maps depict the general ages and distribution of Quaternary geomorphic surfaces and associated alluvium of the northern Avra Valley-Desert Peak (AVDP) area, Pinal and Pima counties,...
Resource Identifiers: OFR-93-13

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Published: 1994
This map summarizes the surficial geology of the Mesa 30' x 60' Quadrangle in central Arizona. Approx. 65 percent of the Mesa Quadrangle, including the rapidly growing eastern and...
Resource Identifiers: OFR-94-24

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Published: 1994
The diversity of alluvial fan and pediment ages and the pristine Sonoran desert vegetation of the Table Top Mountains make this region ideally suited to study relationships between geomorphic...
Resource Identifiers: OFR-94-22

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Published: 1994
Geomorphologic and hydraulic methods were used to evaluate the reported magnitude of an extraordinary flood in west-central Arizona. The peak discharge of the Bronco Creek flood of August 19, 1971...
Resource Identifiers: OFR-94-19

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Published: 1994
This report includes the area between Webb Mountain and Yellow Medicine Butte in the central Gila Bend Mountains, approximately 30 kilometers northwest of Gila Bend, Arizona. The study area...
Resource Identifiers: OFR-94-18

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Published: 1994
Historical aerial photographs, surficial features, and limited subsurface trenching on five fluvially dominated alluvial fans in Arizona demonstrate that channel abandonment occurs along bends and/...
Resource Identifiers: OFR-94-13

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Published: 1994
Arizona Geological Survey (AZGS) staff responded to more than 13,800 requests for information and assistance from persons who wrote, telephoned, or visited our offices to buy publications, use...
Resource Identifiers: OFR-94-26

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