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Utah Geological Survey

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Utah Geological Survey

Provides timely scientific information about Utah’s geologic environment, resources, and hazards.

Welcome to the Utah Geological Survey page, a growing online community where people can share information and experiences about Utah’s geologic environment. The Utah Geological Survey provides timely scientific information about Utah’s geologic environment, resources, and hazards. While this is an open forum, we ask that all who contribute do so in a manner that is respectful of others. S

ee our comments policy here: https://naturalresources.utah.gov/social-media-comments-policy

You participate at your own risk, taking personal responsibility for your comments, your username, and any information provided. The Utah Department of Natural Resources Map and Bookstore is operated by the Utah Geological Survey; a division of the Department of Natural Resources.

08/06/2026

New publication by Paul Inkenbrandt, Trevor Schlossnagle, Emily Jainarain, and Rachel Willmore, 39 p., OFR-785.

How much water is invasive phragmites actually consuming around Great Salt Lake? The UGS, in collaboration with the Utah Division of Water Resources, Utah Division of Forestry, Fire and State Lands, the University of Utah, Brigham Young University, and The Nature Conservancy, installed an eddy covariance flux tower in Farmington Bay to measure water loss through evapotranspiration directly.

This research will provide the precise data needed for accurate water budget calculations and science-based management of Great Salt Lake. Read more here: https://doi.org/10.34191/OFR-785

08/05/2026

Photo of the Week: Little Cottonwood Canyon, Salt Lake County
Photographer: Adam McKean
Interbedded shale and quartzite of the Precambrian Big Cottonwood Formation are dramatically folded and faulted on the sheer face of Twin Peaks in Little Cottonwood Canyon. The intrusive Tertiary-age Little Cottonwood granite stock forms the light-gray, glaciated peaks in the distance.

08/04/2026

The Park City Sunrise Rotary Regional Geologic Park showcases 4.5 billion years of Earth history, including 35-million-year-old petrified wood, brought to life through decades of community collaboration. Learn more about this Utah GeoSight:
https://ow.ly/5mW850XFJrS

08/03/2026

New Geologic Map: Interim Geologic Map of the North Part of the Rill Creek Quadrangle, Grand County, Utah: Utah Geological, by Keilee A. Higgs, 7 p., 2 plates, scale 1:24,000, OFR-783DM. See publication details at: https://doi.org/10.34191/OFR-783DM

07/30/2026

With monsoons underway this season comes the risk of debris flows. Debris flows and related sediment flows are fast-moving, flow-type landslides composed of a slurry of rock, mud, organic matter, and water that move down drainage-basin channels onto alluvial fans. Learn more about this geologic hazard here: https://ow.ly/QcJZ50ZuPme

07/29/2026

Photo of the Week: Silver Glance Lake, Utah County
Photographer: Elisabeth Stimmel
Silver Glance Lake is a breathtaking alpine lake at 9,000 feet elevation in the Wasatch Range. The lake was created as glaciers carved out the igneous rock of the Oligocene-age Little Cottonwood batholith during late-Pleistocene time.

07/28/2026

Photomicrograph of limestone from the Eocene-age Green River Formation showing small ostracod shells surrounding and filling larger gastropod fossils. Uinta Basin Photomicrograph by Michael Vanden Berg.

07/27/2026

Planning a trip to Palisade State Park? This scenic spot offers stunning views of ancient landscapes at the meeting point of the Basin and Range and the Colorado Plateau. Learn more in this GeoSights article: https://ow.ly/3tsI50PPcnr

07/22/2026

Photo of the Week: Red Mountain Wilderness, Washington County
Photographer: Jim Davis
After rains, water persists in weathering pits on Jurassic-age Navajo Sandstone. These hollows are formed through a combination of physical, chemical, and biological processes that weather and erode the rock and are home to a wide array of aquatic organisms.

Address

1594 W North Temple, Ste 3110
Salt Lake City, UT
84116

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Telephone

+18015373300

Website

http://geology.utah.gov/, http://mapstore.utah.gov/

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