Geologic Publications

by Trevor H. Schlossnagle and Torri Duncan Summary Rockville is a small rural town in southwestern Utah that is experiencing an increase in residential development. Because potential future septic-tank systems may overlie the principal drinking water aquifer for Rockville, city officials asked the Utah...

By: Dave Keighley The Green River Formation of the Uinta Basin in eastern Utah is host to not only one of the world's largest oil shale deposits, primarily in the Mahogany oil shale zone, but it also contains significant conventional oil and gas reserves...

Paleoseismology of Utah, Volume 23 - Compilation of U.S. Geological Survey National Earthquake Hazards Reduction Program Final Technical Reports for Utah (MP 13-3) was compiled by Steve D. Bowman and William R. Lund. This publication serves as the twenty-third installment in the "Paleoseismology of...

By: William R. Lund The Utah Geological Survey has revised and updated the Utah fault database used with the Federal Emergency Management Agency's Hazus Earthquake Model. The Hazus Earthquake Model loss estimation software is designed to produce loss estimates for use by federal, state,...

By: Adam I. Hiscock and Michael D. Hylland Contains plot files (PDF format) of surface-fault-rupture hazard maps of the Levan and Fayette segments (the two southernmost segments) of the Wasatch fault zone. The maps comprise seven 7.5-minute quadrangles (1:24,000 scale) that show potentially active...

By: Anthony J. Crone, Stephen F. Personius, Christopher B. DuRoss, Michael N. Machette, and Shannon A. Mahan This 43-page report presents new data from the Willow Creek site that provides well-defined and narrow bounds on the times of the three youngest earthquakes on the...

The Moab Day Hikes contains detailed maps for 18 of Moab's finest day hikes. It includes well-known hikes and some off-the-beaten-path trails. They range from easy strolls to strenuous climbs, selected to give you a sampling of all the region has to offer. Together, they cover...

Mineral collecting by amateur "rockhounds" has never been more popular. Old quarries, road cuts, and exposed landscapes are being examined by new generations of minerals enthusiasts. Each needs a comprehensive guidebook with clear photographs and accurate data. This is it. In a thick but...

By: Greg Gavin, Paul Inkenbrandt, Trevor Schlossnagle, and Rebecca Molinar This comprehensive hydrogeologic assessment of Pahvant Valley's aquifer systems, conducted during 2022-2023, evaluated groundwater storage changes, recharge-discharge relationships, and anthropogenic impacts. The investigation integrated multiple analytical methods including potentiometric surface mapping, InSAR subsidence analysis,...

Postcards from the Past.  Discover a bygone era with this captivating historical postcard, "Black Rock, Great Salt Lake," a window into Utah's picturesque past. This isn't just a postcard; it's a tangible piece of history, produced between 1910 and 1930, transporting you to a...

Unraveling Earth's Secrets: Capitol Reef Geological Cross Section Embark on a captivating journey through time with the Capitol Reef Geological Cross Section, a remarkable educational tool produced by the Capitol Reef Natural History Association. This meticulously crafted cross-section unveils the intricate layers of Earth's...

by Peter Goodwin and Rebecca Molinari Phragmites threaten Great Salt Lake wetlands by readily displacing desirable native vegetation, degrading habitats, and diverting water from the lake and surrounding wetlands through increased evapotranspiration water loss. The Utah Geological Survey (UGS) developed this project with FFSL...

by Adam I. Hiscock, Emily J. Kleber, Susanne U. Jänecke, Greg N. McDonald, Robert Q. Oaks Jr., and Tammy Rittenour This report presents detailed mapping of the East Cache fault zone (ECFZ), West Cache fault zone (WCFZ, Dayton-Oxford, Mantua area, and James Peak faults...

by James P. Robinson Summary The Gold Hill area of the northern Deep Creek Range near the Utah-Nevada border has undergone a diverse and complicated history of deposition, igneous activity, deformation, and mineralization and long attracted the attention of geologists. The Gold Hill mining...

By: Jeremiah Bernau The Bonneville Salt Flats in western Utah are renowned worldwide for hosting land-speed racing events. They are easily accessible from Interstate 80 and are managed by the Bureau of Land Management. This distinct landscape spans approximately 5 miles wide by 12 miles...

This educational and entertaining pocket field guide provides a simplified introduction to the different types of volcanoes, lava flows, pyroclastic flows, and the rocks that are formed as a result of eruption. This guide will appeal equally to novice volcanologists and students of geology...

The first Directory of the Mining Industry of Utah published by the Utah Geological and Mineralogical Survey in 1965 covered the industry through the year 1964. This the second directory provides information through 1967. The following agencies were especially helpful in providing information for...

This report presents results and analyses of hydrogeologic, geophysical, groundwater-monitoring, and hydrochemical studies and aquifer tests by the Utah Geological Survey (UGS) in Snake Valley, Tule Valley, and Fish Springs Flat, Millard and Juab Counties, west-central Utah. The primary objectives of this work were...

National Geographic's Trails Illustrated map of Acadia National Park is designed to meet the needs of all visitors who wish to explore the islands and bodies of water of this national park. Expertly researched and created in partnership with the National Park Service and...

By: C. T. Sumsion The Spanish Valley area covers about 144 square miles on the western slopes of the La Sal Mountains in southeastern Utah; within it, Spanish Valley comprises about 18 square miles. Altitudes of land surface within the area range from about...