Arizona Geological Survey Open File Reports


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Published: 1994
Radon gas, which is produced by the radioactive decay of uranium, can accumulate in homes to levels that are considered hazardous by the U.S. Environmental Protection Agency. Hazardous indoor-radon...
Resource Identifiers: OFR-94-25

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Published: 1994
Surficial geology of the Apache Junction Area, northern Pinal and eastern Maricopa Counties, Arizona. Report and two map sheets, map scale 1:24,000.
Resource Identifiers: OFR-94-10

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Published: 1985
Reconnaissance geologic map of the Merritt Hills, southwestern Yavapai County, Arizona. Map scale 1:24,000
Resource Identifiers: OFR-85-05

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Published: 1994
This report contains three detailed maps depicting the distribution of Quaternary alluvial deposits and their associated geomorphic surfaces in the southern portion of the Verde Valley. Preliminary...
Resource Identifiers: OFR-94-23

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Published: 1986
Migration patterns of post-40-Ma Magmatism in Arizona. Map scale 1:975,000
Resource Identifiers: OFR-86-06

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Published: 1986
Like most river valleys, that of the Santa Cruz River contains a complex history of erosion, deposition, and stability spanning over a million years of geologic time. Unraveling this history is a...
Resource Identifiers: OFR-86-15

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Published: 1994
Radon is a colorless, odorless gas produced by the radioactive decay of uranium. The U.S. Environmental Protection Agency has determined that indoor radon at elevated levels is a significant health...
Resource Identifiers: OFR-94-04

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Published: 1990
Quaternary geologic map of the Corona de Tucson 7.5' Quadrangle, Arizona. Map scale 1:24,000.
Resource Identifiers: OFR-90-03

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Published: 1993
This report contains four detailed maps depicting the distribution of Quaternary alluvial deposits and their associated geomorphic surfaces in the northern portion of the Verde Valley. Preliminary...
Resource Identifiers: OFR-93-16

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Published: 1990
The Northern Plomosa district in west-central Arizona is a mid-Miocene Au-Cu district hosted by Miocene lacustrine sedimentary and volcanic rocks and their Proterozoic crystalline depositional...
Resource Identifiers: OFR-90-10

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Published: 1994
Most of southern and western Arizona lie within the Basin and Range physiographic province, a region characterized by broad valleys and linear mountain ranges. The valleys are deeply filled with...
Resource Identifiers: OFR-94-21

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Published: 1994
This report is the result of a preliminary environmental assessment of the impact of past mining activities on water quality in the Bradshaw Mountains area. The assessment in Phase 1 of a multiphase...
Resource Identifiers: OFR-94-02

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Published: 1994
Geologic Map of the Salome 30' x 60' Quadrangle, West-central Arizona. One map sheet and one report (33 pages).
Resource Identifiers: OFR-94-17

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Published: 1985
The Little Harquahala Mountains of west-central Arizona contain major Mesozoic thrust faults that juxtapose a complex assemblage of Mesozoic sedimentary and volcanic rocks, Paleozoic cratonic strata...
Resource Identifiers: OFR-85-09

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Published: 1984
This report presents the results of a reconnaissance analysis of Quaternary faulting in central Arizona, conducted for the U. S. Bureau of Reclamation. The goal of this study has been to...
Resource Identifiers: OFR-85-04

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Published: 1985
Areas of known metallic mineralization in Arizona, with recorded production, have been divided into 453 mineral districts, nearly 180 of which are known or suspected to be mid-Tertiary in age (...
Resource Identifiers: OFR-85-01

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Published: 1984
Late Pliocene and Quaternary geology, Ajo Quadrangle. Map scale 1:250,000 with 6 page report.
Resource Identifiers: OFR-84-01

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Published: 1984
Late Pliocene and Quaternary geology, El Centro Quadrangle Scale 1:250,000
Resource Identifiers: OFR-84-02

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Published: 1982
Numerous artesian wells in the Safford basin, southeast Arizona, discharge thermal water (30 to 500 degrees C) contained in sand and gravel aquifers stacked within and below an extensive silt and...
Resource Identifiers: OFR-82-05

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Published: 1982
The purpose of this book is to bring together in a single volume current knowledge and basic data on geothermal energy resources in the State of Arizona. We hope that our preliminary investigations...
Resource Identifiers: OFR-83-12

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