For nearly 120-years, geologists of the Arizona Geological Survey (AZGS) and its predecessor agencies have explored, investigated, mapped, and published reports and geologic maps. These geologic products are available as free downloads at the AZGS Online Document Repository.
We also host an e-Magazine - formally Fieldnotes and Arizona Geology newsletter - Arizona Geology Blog (2007 - 2018), Arizona Mining Review e-Video Magazine (2013-2018), Youtube channel (AZGSweb), the AZGS Mining Data website, and social media - Facebook, Twitter, and Flickr.
100 years of geologic reports, bulletins, and maps available as free pdf downloads; no login required.
AZGS Mine Files: 20,000+ mine files, 1000s of mine & geology maps, & 6,000 photographs.
More than 4,400 posts on the geology, mineral resources, environmental geology, and geologic hazards of Arizona (2007-2018).
AZGS's public outreach newsletter; preceded by Arizona Geology (1988 - 2011) and Fieldnotes (1971 - 1988).
AZGS's online E-video magazine, exploring the challenges and successes of Arizona’s mining industry (2013-2018).
Original AZGS geo-videos: geologic hazards - earthquakes, faults, landslides, earth fissures - and video reports.
Contains more than 13,000 citations from A.D. 1848 to 2001 of geologic studies from throughout Arizona.
For a complete list of resources, visit our Map & Database Services page.
Volumes 1 - 41 spanning 40 years (1971 - 2011).
Recent Publications
| 2018 | Investigations of the Possible Underground Extent of La Posta Quemada Sinkhole, Colossal Cave Mountain Park, Pima County, Arizona |
Cook, J.P., 2018, Investigations of the Possible Underground Extent of La Posta Quemada Sinkhole, Colossal Cave Mountain Park, Pima County, Arizonl. Arizona Geological Survey Open-File Report OFR-18-01, 19 p, 4 appendices. |
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| 2018 | Notes on the Cretaceous and Laramide of the Colorado Plateau |
Dickinson, W.R., 2018, Notes on the Cretaceous and Laramide of the Colorado Plateau. Arizona Geological Survey Contributed Report CR-18-G, 32 p. |
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| 2018 | Geologic Map of the McDowell Mountains, Maricopa County, Arizona |
Skotnicki, S.J., 2018, Geologic Map of the McDowell Mountains, Maricopa County, Arizona. Arizona Geological Survey Contributed Map, CM-18-B, v 1.0, map scale 1:12,000. |
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| 1996 | Geologic Map of the Bartlett Dam Quadrangle and southern part of the Horseshoe Dam Quadrangle, Maricopa County, Arizona |
Arizona Geological Survey Open File Report, OFR-96-22, 22 p., 1 map, map scale 1:24,000. Posted online in May 2018. |
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| 1985 | Cenozoic Paleogeography of Arizona |
Appears in in Flores, R. M. and S. S. Kaplan, 1985, Cenozoic Paleogeography of the West-Central United States, Rocky Mountain Section, Soc. of Econ. Paleont. and Mineralogists, Rocky Mountain Paleogeography Symposium 3, p. 335-355. Permission to post here kindly provided by RMS-SEPM Publications. |
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| 2018 | Geology, Exploration and Production History of the Uranium-Vanidum Mines of George R. Simpson and Gloria Emerson, NW Carrizo Mtns., Apache County, Arizona |
Vintage report on uranium-vanadium on the Colorado Plateau, ca. 1950s-1960s. |
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| 2018 | Late Cenozoic Geology of the White Mountains, Arizona |
Illustrated 80-p text on the geology and glacial landforms of the White Mountains, Navajo County, Arizona (1977). Posted online 2018. |
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| 2018 | History of the Verde Mining District, Jerome, Arizona |
An illustrated review of the geology and mining history of copper, gold and silver from Jerome, Arizona, & environs. |