AZGS is releasing 33 analog geologic maps as digital geologic maps in Fall 2022.
Recent Posts
VIDEO: Bell Copper's Big Sandy Copper Porphyry Discovery by Tim Marsh, President and CEO of Bell Copper Corp.
Investigating the origin of explosion pits on the surface of the ~68 ka Banco Bonito Rhyolite Lava Flow,
The U.S. National Park Service' fresh, comprehensive ‘Geologic Resources Inventory Report’ for Organ Pipe Cactus National Monument, Arizona. USA.
The summer 2022 issue of the Arizona Geology Newsletter, V43, #1 is available online.
Massive rock topple at Lake Powell over Memorial Day weekend threatens boaters.
AZGS launched an enhanced enhanced and improved online geologic map of Arizona.
Ray Grant presents Mineralogy of Arizona in 52-minute video.
Helium exploration and exploitation in the Holbrook Basin, Arizona on YouTube.
Four digital geologic maps released in 2022.
Recent AZGS publications focusing on the geology of the Organ Pipe Cactus National Monument.
The first of 3 videos examining the role of minerals in WW II.
New Contributed Report on the geology and geochronology of four 7.5’ quadrangles in SW Arizona and SE California.
Karst features of the Tonto National Forest, Arizona
Small swarm of earthquakes occur near Theodore Roosevelt Lake of central Arizona in February 2022.
How Mineral Made Civilization: The Video Series
The Orocopia Schist exposed at Cemetery Ridge, western Arizona.
New 243-page report on the geology and mining history of Globe-Miami area, central Arizona.
AZGS' Open-File Report 'Directory of Active Mines in Arizona: FY2021' documents 433 active, full-time mines or development projects in the state of Arizona. Mines come in all shapes and sizes, from small sand and gravel operations providing materials for local road maintenance and construction to the large open-pit copper mines, such as Morenci and Ray.
We are heartbroken by the news that Paul John Umhoefer (Ph.D.) passed away on November 24, 2021, in Flagstaff, AZ, at the age of 66.
