Arizona Geological Survey Open File Reports


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Published: 1999
Windy Hill quadrangle is located in SE part of Tonto Basin and includes bedrock on both sides of the Basin. Bedrock geology is dominated by Middle Proterozoic Apache Group and by overlying lower...
Resource Identifiers: OFR-99-12

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Published: 1999
The Bill Williams River system drains more than 5200 mi2 of west-central Arizona. It is the largest tributary of the Colorado River between the Virgin River and the Gila River. However, the name...
Resource Identifiers: OFR-99-04

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Published: 1999
Geologic Map of the Northwestern Part of the Greenback Creek 7.5' Quadrangle, Gila County, Arizona
Resource Identifiers: OFR-99-10

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Published: 1999
Three wells drilled in the Tonto Basin have been studied to assist in the interpretation of subsurface geology of the basin. These are the Forest Service Windy Hill Test #1, drilled in 1991, the...
Resource Identifiers: OFR-99-07

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Published: 1999
Water quality issues are becoming increasingly important in the upper Gila River drainage area as competition among municipal and industrial water use, agriculture, environmental concerns, and...
Resource Identifiers: OFR-99-03

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Published: 1999
The Sawtooth Mountains are a small (45 km2 ), low-relief (250 m), yet rugged range composed of essentially flat-lying, Mid-Tertiary volcanic rocks. Along with the West Silver Bell Mountains, which...
Resource Identifiers: OFR-99-16

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Published: 1999
This field trip focuses on subsidence features caused by removal of groundwater at rates greater than natural recharge in the Picacho basin. Land subsidence is common in Arizona's alluvial...
Resource Identifiers: OFR-99-26

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Published: 1999
The St. Johns - Springerville area consists of about 700 mi2 including Townships 9 through 12 North and Ranges 28 through 31 East in Apache Co., Arizona, and Townships 1 South through 3 North and...
Resource Identifiers: OFR-99-02

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Published: 1999
We have completed initial paleoseismologic investigations to evaluate the recency and size of paleoearthquakes and long-term slip rates on the Hurricane fault in southern Utah and northern Arizona...
Resource Identifiers: OFR-99-8

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Published: 1999
The purpose of this project is to integrate new detailed field mapping, aerial photograph interpretation, previous research, and other available data into 1:24,000 scale geologic and geomorphic...
Resource Identifiers: OFR-99-19

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Published: 1999
The Copper Mountain quadrangle is centered just north of the southwest-facing escarpment on the southwest side of the crest of the Sierra Ancha (see Figure 1). Elevations range from about 4200 feet...
Resource Identifiers: OFR-99-24

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Published: 1999
This report presents a selected bibliography of water quality studies covering the upper Gila River watershed and discusses a few ofthe more important publications. Previously unpublished water...
Resource Identifiers: OFR-99-25

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Published: 1999
The Horseshoe Dam quadrangle straddles part of the lower Verde River valley of central Arizona, a north-trending, west-tilted half-graben along the southern edge of the Transition Zone tectonic...
Resource Identifiers: OFR-99-15

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Published: 1999
This report and accompanying maps describe the surficial geology, geomorphology, and geologic hazards around the Tucson Mountains, on the western margin of the Tucson metropolitan area. The mapping...
Resource Identifiers: OFR-99-22

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Published: 1999
This report and accompanying maps describe the surficial geology, geomorphology, and geologic hazards of the northern Tucson metropolitan area. The mapping covers the Tucson North and Sabino Canyon...
Resource Identifiers: OFR-99-21

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Published: 2011
The project achieved its primary goals and milestones during FY2010, including completing contracts with 45 subcontractors representing geothermally-relevant data resources in all 50 states....
Resource Identifiers: OFR-11-01

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Published: 2011
The U.S. Department of Energy (DOE), through its National Energy Technology Laboratory (NETL), established a national program to evaluate the feasibility of separating carbon dioxide (CO2) from...
Resource Identifiers: OFR-11-05

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Published: 2011
This report is prepared in accordance with Arizona Revised Statute §27-155: The state geologist shall make an annual report to the governor on the progress and condition of the Arizona Geological...
Resource Identifiers: OFR-11-06

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Published: 2011
On 3 May 1887, a magnitude 7.2 earthquake rippled across Sonora, Mexico, and southern Arizona. Phil Pearthree, Chief of the Environmental Geology division of the Arizona Geological Survey, revisits...
Resource Identifiers: OFR-11-07

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Published: 2011
This six minute video, filmed on location in the Chino Valley, describes the geometry and timing of fault activity on the Little Chino Fault. This is an active fault with a moderate recurrence rate...
Resource Identifiers: OFR-11-09

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