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Down-to-Earth Series (DTE) — addresses geologic concepts in a "down-to-earth" manner with a minimum of jargon. These nontechnical booklets are suitable for high-school and college earth science students, as well as adults who want to learn more about the fascinating world of geology as manifested in the Arizona landscape.

Overview. On 30 June 2016, the Arizona Geological Survey transfers out of State Government to the College of Sciences at the University Arizona.

The Harvard Collection at the Flandrau 2016

"Harvard is the granddaddy" of mineral collections, said Professor Bob Downs, Curator of the University of Arizona Mineral Museum, as he welcomed an overflow crowd of several hundred people to the unveiling of the American Mineral Heritage: The Harvard Collection at the University of Arizona’s Mineral Museum on February 5th.

Geologic Hazards in Arizona

In 2015, a 250-ton rock slab threatened to crush a power plant at Glen Canyon Dam, an earthquake rattled the Phoenix metropolitan area, and the Tucson Gem, Mineral and Fossil show fueled the Tucson economy to the tune of $120 million. And these were a just a few of the notable geology-related stories that impacted Arizona in the past 12 months.

Preview of 2015 Annual Report

Annual reports are the splintery cross that all bureaucracies must bear! In Arizona, state agencies draft and submit an annual report anchored by the fiscal year.

EarthCube - Scientists wanted!

In December 2016, AZGS is sending a cohort to the Fall AGU (American Geophysical Union) meeting in San Francisco, largely to update the Earth science community on progress with the EarthCube initiative and to ferment interest in this important initiative among the other sciences.

Pinacate Volcanic Field

This short pictorial of the Pinacate Volcanic Fields, which includes stereo pairs of aerial photographs, is the latest in Dan Lynch's many expositions on the volcanoes of the Gran Desierto de Altar in northwestern Sonora, Mexico.

Colvocoresses Collection

In spring 2015, the Arizona Geological Survey Mining Data site launched the Colvocoresses collection, comprising reports on field visits or submitted reports from approximately 300 Arizona mine and mining properties by Mr. Colvocoresses or his associates.

Movie Review: San Andreas

We didn’t have the highest expectations for San Andreas in the science department, but what we got from Hollywood shattered our expectations with a hefty portion of bad science, a cliché story line, and a dose of sexism that should be considered lethal for the box office in the year 2015.

New Geologic Map Index

To most geologists, geologic maps are the single most useful type of information for understanding the geology of the land surface.

Duncan, AZ

Following the M5.3 earthquake, the Arizona Geological Survey became a primary source of information for the people of Duncan.

AZGS research geologist Jeri Young deploying a portable seismometer near Duncan, Arizona.

A magnitude 5.3 earthquake occurred near Duncan, AZ at approximately 10 pm on June 28th, 2014. This was the largest earthquake to occur in southeastern Arizona – southwestern New Mexico in 75 years, and it serves as a reminder that Arizona does indeed have earthquakes and earthquake hazards.

GSA 2014 logo

AZGS is sending a cohort of staff to make oral and poster presentations at GSA 2014.

Sell mining collection

On July 2, 2014, the James Doyle Sell collection, which include more than 800 Arizona mine file records, was added to the Arizona Geological Survey Mine Site.

Nick Priznar

We were deeply saddened to learn that Nicholas (Nick) M. Priznar, well-known geologist with the Arizona Dept. of Transportation, passed away on May 16, 2014.