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Black cinder cones and basaltic lava flows of the San Francisco volcanic field of northern Arizona mantled by snow in Jan. 2019. This is an active volcanic field with a high probability of future volcanic eruptions.
Photo by Ted Grussing.
Photo by Ted Grussing.
February 11, 2026 at 4:30 PM
Black cinder cones and basaltic lava flows of the San Francisco volcanic field of northern Arizona mantled by snow in Jan. 2019. This is an active volcanic field with a high probability of future volcanic eruptions.
Photo by Ted Grussing.
Photo by Ted Grussing.
Corridor of Cataclysm: The Perilous Geologic Journey of the Owyhee River. On 6 January 2026, Dr. Kyle House presented his research on landscape evolution and geologic hazards along Oregon’s Owyhee River to the Arizona Geological Society. www.youtube.com/watch?v=WQF8... #volcanism
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February 6, 2026 at 9:31 PM
Corridor of Cataclysm: The Perilous Geologic Journey of the Owyhee River. On 6 January 2026, Dr. Kyle House presented his research on landscape evolution and geologic hazards along Oregon’s Owyhee River to the Arizona Geological Society. www.youtube.com/watch?v=WQF8... #volcanism
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The Pueblo Gem & Mineral Show at the Raddison on Cushing St. was loaded with mineral stands and crowded with people. Quartz varieties – milky, crystal, and smoky – from small to large (boulder-sized) were particularly abundant. But there were plenty other collectable minerals, gems, and fossils.
February 3, 2026 at 3:39 PM
The Pueblo Gem & Mineral Show at the Raddison on Cushing St. was loaded with mineral stands and crowded with people. Quartz varieties – milky, crystal, and smoky – from small to large (boulder-sized) were particularly abundant. But there were plenty other collectable minerals, gems, and fossils.
Chuska Mtns, Apache County, Arizona, ca. 1917.
West face of Chuska Mountains near near Lukachukai showing rincons and blind windows developed in massive sandstone. "Chinle formation is in the foreground, Tertiary sediments in background. The view includes vertical relief of 1,800 feet. (USGS-1917)
West face of Chuska Mountains near near Lukachukai showing rincons and blind windows developed in massive sandstone. "Chinle formation is in the foreground, Tertiary sediments in background. The view includes vertical relief of 1,800 feet. (USGS-1917)
January 31, 2026 at 3:35 PM
Chuska Mtns, Apache County, Arizona, ca. 1917.
West face of Chuska Mountains near near Lukachukai showing rincons and blind windows developed in massive sandstone. "Chinle formation is in the foreground, Tertiary sediments in background. The view includes vertical relief of 1,800 feet. (USGS-1917)
West face of Chuska Mountains near near Lukachukai showing rincons and blind windows developed in massive sandstone. "Chinle formation is in the foreground, Tertiary sediments in background. The view includes vertical relief of 1,800 feet. (USGS-1917)
The Arizona Science Center’s newest exhibit, Pompeii: The Exhibition, memorializes the impact of the A.D. 79 eruption of Mt. Vesuvius on the Roman city of Pompeii, near modern Naples. Mount Vesuvius is an active volcano.
www.azscience.org
www.azscience.org
January 30, 2026 at 4:53 PM
The Arizona Science Center’s newest exhibit, Pompeii: The Exhibition, memorializes the impact of the A.D. 79 eruption of Mt. Vesuvius on the Roman city of Pompeii, near modern Naples. Mount Vesuvius is an active volcano.
www.azscience.org
www.azscience.org
AZ Geol Survey released a field trip guide by Haxel & others (2025). “Field Trip to a Laramide Shallow Subduction Channel: Orocopia Schist in the Gavilan Hills, SE California; 29 pages with map and a number of field and thin-section photos. library.azgs.arizona.edu/item/AGCR-17...
January 29, 2026 at 5:05 PM
AZ Geol Survey released a field trip guide by Haxel & others (2025). “Field Trip to a Laramide Shallow Subduction Channel: Orocopia Schist in the Gavilan Hills, SE California; 29 pages with map and a number of field and thin-section photos. library.azgs.arizona.edu/item/AGCR-17...
Basalt dike Saguaro National Park East, Tucson, Arizona.
A 2- to 3-meter thick basalt dike (black rock) cutting gneissic rock exposed adjacent to the loop road at Saguaro National Park East, in the foothills of the Rincon Mountains, Tucson, Arizona.
A 2- to 3-meter thick basalt dike (black rock) cutting gneissic rock exposed adjacent to the loop road at Saguaro National Park East, in the foothills of the Rincon Mountains, Tucson, Arizona.
January 28, 2026 at 4:06 PM
Basalt dike Saguaro National Park East, Tucson, Arizona.
A 2- to 3-meter thick basalt dike (black rock) cutting gneissic rock exposed adjacent to the loop road at Saguaro National Park East, in the foothills of the Rincon Mountains, Tucson, Arizona.
A 2- to 3-meter thick basalt dike (black rock) cutting gneissic rock exposed adjacent to the loop road at Saguaro National Park East, in the foothills of the Rincon Mountains, Tucson, Arizona.
The U.S. Bureau of Reclamation has released a draft EIS (environmental impact statement)of their “Post-2026 Operational Guidelines and Strategies for Lake Powell and Lake Mead.” They serve up the entire report piecemeal at www.usbr.gov/ColoradoRive... .
January 25, 2026 at 4:28 PM
The U.S. Bureau of Reclamation has released a draft EIS (environmental impact statement)of their “Post-2026 Operational Guidelines and Strategies for Lake Powell and Lake Mead.” They serve up the entire report piecemeal at www.usbr.gov/ColoradoRive... .
News release from the US Geological Survey (17 Jan. 2026). The USGS will invest approximately $1.1 million in Bipartisan Infrastructure Law funding to collect high-resolution hyperspectral data at areas with potential for critical minerals found in mine wastes across AZ and NM.
January 24, 2026 at 5:21 PM
News release from the US Geological Survey (17 Jan. 2026). The USGS will invest approximately $1.1 million in Bipartisan Infrastructure Law funding to collect high-resolution hyperspectral data at areas with potential for critical minerals found in mine wastes across AZ and NM.
EOS, the newsletter of the American Geophysical Union – the world’s largest Earth and space science association – just issued a special report, “The State of the Science 1 Year On”. If you are interested in how scientists perceive the changes to science in 2025, eos.org
January 23, 2026 at 3:48 PM
EOS, the newsletter of the American Geophysical Union – the world’s largest Earth and space science association – just issued a special report, “The State of the Science 1 Year On”. If you are interested in how scientists perceive the changes to science in 2025, eos.org
The Grapevine Mountains of the Mojave Desert of Death Valley Nat. Park hosts some of the most beautiful carbonate breccia imaginable. “Breccia is composed of large angular broken fragments of minerals or rocks cemented together by a fine-grained matrix.”Image by Marli Miller - geologypics.com
January 16, 2026 at 1:18 AM
The Grapevine Mountains of the Mojave Desert of Death Valley Nat. Park hosts some of the most beautiful carbonate breccia imaginable. “Breccia is composed of large angular broken fragments of minerals or rocks cemented together by a fine-grained matrix.”Image by Marli Miller - geologypics.com
Arizona Geological Survey is looking to fill the position of Director/State Geologist! If you or someone you know have the interest and experience for this role, please apply at the link below!
arizona.csod.com/.../4/home/r....
#Arizona #geology #geologyjobs
arizona.csod.com/.../4/home/r....
#Arizona #geology #geologyjobs
January 9, 2026 at 4:35 PM
Arizona Geological Survey is looking to fill the position of Director/State Geologist! If you or someone you know have the interest and experience for this role, please apply at the link below!
arizona.csod.com/.../4/home/r....
#Arizona #geology #geologyjobs
arizona.csod.com/.../4/home/r....
#Arizona #geology #geologyjobs
Last night, 1/7/2026, Kyle House masterfully presented decades-long research on the past 2-million years of geologic activity on the Owyhee River of SE Oregon.
Image: Annotated photo of some prominent features that drive landscape development and riverine processes.
Image: Annotated photo of some prominent features that drive landscape development and riverine processes.
January 7, 2026 at 4:25 PM
Last night, 1/7/2026, Kyle House masterfully presented decades-long research on the past 2-million years of geologic activity on the Owyhee River of SE Oregon.
Image: Annotated photo of some prominent features that drive landscape development and riverine processes.
Image: Annotated photo of some prominent features that drive landscape development and riverine processes.