Arizona Geological Survey Contributed Reports


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Published: 2017
Trends of increasing wildfire size and severity across the western U.S. and concurrent encroachment and development into the wildland-urban interface place more people and infrastructure at greater...
Resource Identifiers: OFR-17-06

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Published: 1937
E.D. Wilson's 1937 Ph.D. Dissertation, Harvard University, MA. Dr. Wilson was a senior geologist at the Arizona Bureau of Mines for many years. Rocks which have been classified as pre-Cambrian...
Resource Identifiers: CR-17-C

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Published: 2017
Recognition and dogged pursuit of economic opportunities throughout southern Arizona during decades spanning the turn of the 20th century provided the stable foundation for later growth and...
Resource Identifiers: CR-17-B

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Published: 1922
The 1922 thesis of E.D. Wilson describing the Mazatzal Quartzite.
Resource Identifiers: The Mazatzal Quartzite, a new Precambrian Formation of central Arizona

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Published: 2017
The hostile environment of southwestern Arizona’s low desert presented many challenges to those who sought to discover and exploit the mineral wealth of the region. Ajo’s remote location combined...
Resource Identifiers: CR-17-A

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Published: 2016
The surficial geology of Chiricahua National Monument was mapped around Monument headquarters and the primary visitors’ facilities to understand the geologic and geomorphic framework of the area, and...
Resource Identifiers: CR-16-F

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Published: 2016
The Copper Mountain (Morenci) mining district is located approximately 115 miles northeast of Tucson, Arizona (Figure 1). It lies along the southern boundary of the Transitional physiographic...
Resource Identifiers: CR-16-C

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Published: 2016
Field-based geologic mapping has identified one large central volcano and 84 small volcanoes and intrusions in an area of 180 mi2 (470 km2) on and near the Mogollon Rim in the north part of Verde...
Resource Identifiers: CR-16-E

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Published: 2016
This thesis examines different methods of communicating volcanic hazards to the population of Flagstaff, Arizona using the results of a recent lava flow hazard assessment of the nearby San...
Resource Identifiers: CR-16-A

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Published: 2016
The Grandview Breccia Pipe is located on Horseshoe Mesa within the Grand Canyon, north of Grandview Point. The pipe is a classic model of a Colorado Plateau type solution collapse breccia pipe....
Resource Identifiers: CR-16-B

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Published: 2015
In November 1870, General George Stoneman, the military commander of the Arizona Territory, erected a small military camp near the base of Picket Post Mountain and began construction of a road to...
Resource Identifiers: CR-15-D

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Published: 2015
While researching sources of information on pre-U.S. Atomic Energy Commission's (AEC) carnotite mining on the Navajo Indian Reservation, the author discovered another source. Records of an ore...

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Published: 2015
A brief history of the mining activity, mines and miners of the Warren mining district in Bisbee, Arizona; Arizona's first, major copper mining district.
Resource Identifiers: CR-15-B

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Published: 2015
The mining practice that uses solutions to extract a desired commodity from an ore deposit where it stands without also extracting the rock is known as solution mining. There are essentially two...
Resource Identifiers: CR-15-A

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Published: 2007
New geologic mapping in the Bloody Basin of central Arizona’s Transition Zone reveals two distinct sets of normal faults that have a nearly 90° orientation with respect to one another. Miocene Hickey...
Resource Identifiers: CR-07-B

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Published: 2014
This article presents the history of the Helvetia-Rosemont mining district from 1875 until December 2013. The pre-World War II history of the area deals with the settlers, the early mining camps...
Resource Identifiers: CR-14-D

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Published: 2014
The Monument Valley uranium district is located in northeastern Arizona and in southeastern Utah (Figure 1). It is within the Navajo Indian Reservation where exploration and mining was under the...
Resource Identifiers: CR-14-C

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Published: 2014
The Black Rock Point Nos. 1 and 3 uranium-vanadium mines are in the northwestern Carrizo Mountains, Apache County, Arizona (Figure 1). The mines were on Navajo Tribal Mining Permits, issued to Thomas...
Resource Identifiers: CR-14-B

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Published: 2014
A green copper stained outcrop on the south slope of Red Hill attracted the attention of prospectors at the time of the discovery of the nearby Mammoth mine in July 1879. Some of the oldest test pits...
Resource Identifiers: CR-14-A

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Published: 2013
Cove Mesa is a small mesa in the southern Carrizo Mountains, Apache County, Arizona. The mesa is capped by beds of the Salt Wash Member of the Jurassic Morrison Formation. This member is the host...
Resource Identifiers: CR-13-A

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