USU Geosciences News

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Gas-rich hot springs throughout the Peruvian Andes contain a surprising contribution of mantle and crustal volatiles (CO2 and N2) despite being located along a volcanic gap associated with modern flat-slab subduction.
Deep CO2 and N2 emissions from Peruvian hot springs: Stable isotopic constraints on volatile cycling in a flat-slab subduction zone

Deep CO2 and N2 emissions from Peruvian hot springs: Stable isotopic constraints on volatile cycling in a flat-slab subduction zone

Gas-rich hot springs throughout the Peruvian Andes contain a surprising contribution of mantle and crustal volatiles (CO2 and N2) despite being located along a volcanic gap associated with modern flat-slab subduction.

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The Paleocene-Eocene Thermal Maximum (PETM) is recognized by a major negative carbon isotope (δ13C) excursion (CIE) signifying an injection of isotopically light carbon into exogenic reservoirs, the mass, source, and tempo of which continue to be debated.
Carbon Isotopes in Microfossils Indicate an Extreme Climate Event in Earth's History is Analogous to Today's Global Warming

Carbon Isotopes in Microfossils Indicate an Extreme Climate Event in Earth's History is Analogous to Today's Global Warming

The Paleocene-Eocene Thermal Maximum (PETM) is recognized by a major negative carbon isotope (δ13C) excursion (CIE) signifying an injection of isotopically light carbon into exogenic reservoirs, the mass, source, and tempo of which continue to be debated....

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The machine hisses like a bike tube deflating. The 7,000-pound instrument parked in the basement of the Science Engineering Research building is worth more than many American homes.
Stitching Together an Ancient Story

Stitching Together an Ancient Story

The machine hisses like a bike tube deflating. The 7,000-pound instrument parked in the basement of the Science Engineering Research building is worth more than many American homes.

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USU Museums Host Interdisciplinary Outreach for Fourth Graders to help "explore, excite, engage and enhance"
Full STEAM Ahead

Full STEAM Ahead

USU Museums Host Interdisciplinary Outreach for Fourth Graders to help "explore, excite, engage and enhance"

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USU Geosciences Department Named American Geophysical Union Bridge Program Partner
Program Partner

Program Partner

USU Geosciences Department Named American Geophysical Union Bridge Program Partner

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USU Geoscientist Don Penman Explores Ocean Dynamics Driving Climate Change.
In Hot Water

In Hot Water

USU Geoscientist Don Penman Explores Ocean Dynamics Driving Climate Change.

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Understanding the dynamics of the greater Yellowstone region requires constraints on deformation spanning million year to decadal timescales, but intermediate-scale (Quaternary) records of erosion and deformation are lacking.
Snake River Terraces Record Deformation Associated with Yellowstone

Snake River Terraces Record Deformation Associated with Yellowstone

Understanding the dynamics of the greater Yellowstone region requires constraints on deformation spanning million year to decadal timescales, but intermediate-scale (Quaternary) records of erosion and deformation are lacking.

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The material properties and disribution of faults above the seismogenic zone promote or inhibit earthquake rupture propagation.
Shallow Rupture Propagation of Pleistocene Earthquakes Along the Hurrican Fault, UT, Revealed by Hematite (U-Th)/He THermochronometry and Textures

Shallow Rupture Propagation of Pleistocene Earthquakes Along the Hurrican Fault, UT, Revealed by Hematite (U-Th)/He THermochronometry and Textures

The material properties and disribution of faults above the seismogenic zone promote or inhibit earthquake rupture propagation.

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Originating from headwaters in the Rocky Mountains, the nearly 1,500-mile-long Colorado River traverses seven western U.S. states, as it crosses the Colorado Plateau and winds southwesterly toward Mexico’s Sea of Cortez.
River Arrival: USU Geologist Explores When the Colorado Met the Sea of Cortez

River Arrival: USU Geologist Explores When the Colorado Met the Sea of Cortez

Originating from headwaters in the Rocky Mountains, the nearly 1,500-mile-long Colorado River traverses seven western U.S. states, as it crosses the Colorado Plateau and winds southwesterly toward Mexico’s Sea of Cortez.

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Unraveling complex slip histories in fault damage zones to understand relations among deformation, hydrothermal alteration, and surface uplift remains a challenge....
Denali fault slip history revealed by thermochronology

Denali fault slip history revealed by thermochronology

Unraveling complex slip histories in fault damage zones to understand relations among deformation, hydrothermal alteration, and surface uplift remains a challenge....

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USU geoscientist Tammy Rittenour is among an international team of researchers delving into rare sediment samples collected from underneath the Greenland Ice Sheet during a secret, Cold War-era military venture. Video courtesy University of Vermont....
USU Geoscientist says Greenland ice sheet findings sobering

USU Geoscientist says Greenland ice sheet findings sobering

USU geoscientist Tammy Rittenour is among an international team of researchers delving into rare sediment samples collected from underneath the Greenland Ice Sheet during a secret, Cold War-era military venture. Video courtesy University of Vermont....

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The transfer of large volumes of fluid to the overriding lithosphere during flat-slab subduction should drastically alter the physical and chemical properties of continental margins. However, this process is poorly understood and without active...
Helium reveals Impact of flat-slab volatiles

Helium reveals Impact of flat-slab volatiles

The transfer of large volumes of fluid to the overriding lithosphere during flat-slab subduction should drastically alter the physical and chemical properties of continental margins. However, this process is poorly understood and without active...

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Geosciences
NASMP mentors from varied USU colleges crafted research kits, with equipment and instructions, that were sent to students at their homes. The mentors got acquainted with students over video calls and email.
In the Time of COVID: Undergrad Researchers, Mentors Use Technology, Ingenuity and Grit

In the Time of COVID: Undergrad Researchers, Mentors Use Technology, Ingenuity and Grit

NASMP mentors from varied USU colleges crafted research kits, with equipment and instructions, that were sent to students at their homes. The mentors got acquainted with students over video calls and email.

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Hot spring geochemistry from the Cordillera Blanca and Cordillera Huayhuash, Peru, reveal the influence of crustal‐scale structures on geothermal fluid circulation in an amagmatic region located above a flat‐slab subduction zone. ...
Hot Springs Reflect Subduction Style

Hot Springs Reflect Subduction Style

Hot spring geochemistry from the Cordillera Blanca and Cordillera Huayhuash, Peru, reveal the influence of crustal‐scale structures on geothermal fluid circulation in an amagmatic region located above a flat‐slab subduction zone. ...

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Jared Bryan, who was named the university's 2020 Scholar of the Year at the Robins Awards and is the recipient of a National Science Foundation Graduate Research Fellowship, is among scholars honored by USU’s College of Science.
Jared Bryan Named USU's 2020 Scholar of the Year

Jared Bryan Named USU's 2020 Scholar of the Year

Jared Bryan, who was named the university's 2020 Scholar of the Year at the Robins Awards and is the recipient of a National Science Foundation Graduate Research Fellowship, is among scholars honored by USU’s College of Science.

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Geosciences
Eight Utah State University scholars are honorees of the prestigious 2020 National Science Foundation Graduate Research Fellowship search. The Aggies, whose awards are collectively valued at about $828,000, are among nearly...
Two Aggie Geoscientists Names NSF Grad Research Fellows

Two Aggie Geoscientists Names NSF Grad Research Fellows

Eight Utah State University scholars are honorees of the prestigious 2020 National Science Foundation Graduate Research Fellowship search. The Aggies, whose awards are collectively valued at about $828,000, are among nearly...

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In October of 2019, the Geo Department ran its first Summit alumni field trip.
Inaugural Summit Alumni Field Trip Tours Moab Geology

Inaugural Summit Alumni Field Trip Tours Moab Geology

In October of 2019, the Geo Department ran its first Summit alumni field trip.

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Utah State University undergraduate Madison Taylor is learning that most day-to-day research efforts...
USU Geosciences Undergrad Explores Research Frontiers

USU Geosciences Undergrad Explores Research Frontiers

Utah State University undergraduate Madison Taylor is learning that most day-to-day research efforts...

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Learn about USU Geosciences and Cache Valley with the new USU Department of Geosciences YouTube Channel.
USU Geosciences Alum James Mauch Studies Steram Deposits in Moab, Utah

USU Geosciences Alum James Mauch Studies Steram Deposits in Moab, Utah

Learn about USU Geosciences and Cache Valley with the new USU Department of Geosciences YouTube Channel.

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The International Standing Committee for Thermochronology awards the Charles and Nancy Naeser Prize annually to early career scientists who have made outstanding and innovative contributions in this field. This new award is named in honor of Charles “Chuc
USU Geologist Alexis Ault Receives Inaugural Charles and Nancy Naeser Prize in Thermochronology

USU Geologist Alexis Ault Receives Inaugural Charles and Nancy Naeser Prize in Thermochronology

The International Standing Committee for Thermochronology awards the Charles and Nancy Naeser Prize annually to early career scientists who have made outstanding and innovative contributions in this field. This new award is named in honor of Charles “Chuc...

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Dr. Carol Dehler and Dr. Tammy Rittenour, both faculty in the Geology Department at USU, have been selected as fellows in the Geological Society of America (GSA). This is an honor bestowed on the best of our profession. GSA members are nominated by existi
Two USU Geoscientists Selected as 2018 Geological Society of America Fellows

Two USU Geoscientists Selected as 2018 Geological Society of America Fellows

Dr. Carol Dehler and Dr. Tammy Rittenour, both faculty in the Geology Department at USU, have been selected as fellows in the Geological Society of America (GSA). This is an honor bestowed on the best of our profession. GSA members are nominated by existi...

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After a full April day of activities on the Quad on the Logan Campus for Earth Day celebrations, the Department of Geosciences capped things off with the unveiling of a commissioned sculpture of Utah’s new official state dinosaur, as part of its participa
USU Geosciences Unveils New Utahraptor Sculpture by Student Artist

USU Geosciences Unveils New Utahraptor Sculpture by Student Artist

After a full April day of activities on the Quad on the Logan Campus for Earth Day celebrations, the Department of Geosciences capped things off with the unveiling of a commissioned sculpture of Utah’s new official state dinosaur, as part of its participa...

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On the 12th April 2018, after a stormy morning of rain and snow, a break in the weather allowed the sun to peek through the clouds. The students, staff and faculty of Geology and their visiting Advisory Board members took the opportunity to go out to the
USU Geology Dedicates the Geology Centennial Rock Garden

USU Geology Dedicates the Geology Centennial Rock Garden

On the 12th April 2018, after a stormy morning of rain and snow, a break in the weather allowed the sun to peek through the clouds. The students, staff and faculty of Geology and their visiting Advisory Board members took the opportunity to go out to the ...

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Two dinosaurs greeted families at the entrance to USU's Geology Building on Saturday. Over the low whir of her costume's battery-powered fan, volunteer dinosaur and grad student Sarah Wigginton said she saw a good mix of reactions from kids on their way i
Rock-n-Fossil Day 2018 Shatters Previous Attendance Records

Rock-n-Fossil Day 2018 Shatters Previous Attendance Records

Two dinosaurs greeted families at the entrance to USU's Geology Building on Saturday. Over the low whir of her costume's battery-powered fan, volunteer dinosaur and grad student Sarah Wigginton said she saw a good mix of reactions from kids on their way i...

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Four of the fourteen College of Science 2018 Awards of Excellence were given to faculty and students of the Department of Geosciences. The four honorees’ write ups from the College of Science website are listed...
Four USU Geoscientists Receive College of Science Awards

Four USU Geoscientists Receive College of Science Awards

Four of the fourteen College of Science 2018 Awards of Excellence were given to faculty and students of the Department of Geosciences. The four honorees’ write ups from the College of Science website are listed...

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New study published by grad student Ema Armstrong and Dr. Alexis Ault, among others, presents refined technique to estimate the temperature and intensity of paleo-earthquakes
Taking the Temperature of the Punchbowl Fault

Taking the Temperature of the Punchbowl Fault

New study published by grad student Ema Armstrong and Dr. Alexis Ault, among others, presents refined technique to estimate the temperature and intensity of paleo-earthquakes