Entries by Utah Geological Survey

SURVEY NOTES volume 41, number 2

UTAH’S NATURAL ROCK ARCHES This issue contains: *   What is the Biggest Natural Arch in the World? *   Ancient Landslides of the Beaver Dam Mountains *   Virtual Geologic Map Overlays *   Energy News: Utah’s Renewable Energy Zone Assessment *   GeoSights: Wall Arch—A Fallen Giant *   Survey News *   Teacher’s […]

Landsliding in Northern Utah, Early 2009

Local wet conditions in northern Utah have caused some landslides to reactivate along with other types of shallow slope failures. Areas with active landslides in early 2009 include Ogden Valley in eastern Weber County, western Morgan County, southeastern Davis County, and Spanish Fork Canyon in Utah County.

OPEN-FILE REPORT 548

COMPILATION OF 1970s WOODWARD-LUNDGREN & ASSOCIATES WASATCH FAULT INVESTIGATION REPORTS AND OBLIQUE AERIAL PHOTOGRAPHY, WASATCH FRONT AND CACHE VALLEY, UTAH AND IDAHO Steve D. Bowman, Keith Beisner, and Corey Unger This nine DVD set contains a descriptive 3-page report and digital files created from the Wasatch fault investigation project performed for the Utah Geological and […]

Rock Fall in Provo, April 11, 2009

Around 11:30 a.m. on April 11, 2009, a rock fall impacted the area of 1500 North and 1550 East in Provo, Utah. One rock-fall boulder damaged the outside of a playhouse located at 1522 North 1550 East, and another, larger boulder severely damaged a vacant house at 1496 North 1550 East. The April 11, 2009 rock […]

MAP 234

GEOLOGIC MAP OF THE WEST MOUNTAIN QUADRANGLE, UTAH COUNTY, UTAH Donald L. Clark The West Mountain quadrangle covers West Mountain and parts of Utah and Goshen Valleys along the Interstate 15 corridor.  Improvements were made to the bedrock structure and stratigraphy, and to mapping of Quaternary surficial deposits.  The mountain consists of folded and faulted […]

Stories a Trench Can Tell—Determining St. George Earthquake Threat

Geologists are digging into the Washington fault about three miles south of the Utah-Arizona border in Arizona. “The fault is three miles east of St. George and runs through the nearby city of Washington,” said Bill Lund, UGS senior geologist. “There is evidence of surface rupturing earthquakes. Our goal is to figure out how often […]

MISCELLANEOUS PUBLICATION 09-2DM

GEOLOGIC MAP OF PART OF THE LEES FERRY AREA, GLEN CANYON NATIONAL RECREATION AREA, COCONINO COUNTY, ARIZONA D.A. Phoenix This CD contains a digital dataset of a geologic map of the Lees Ferry area, Arizona, and is one of several maps that together provide complete GIS geologic map coverage of Glen Canyon National Recreation Area. […]

MISCELLANEOUS PUBLICATION 09-3

GEOLOGIC MAP OF THE KELTON PASS QUADRANGLE, BOX ELDER COUNTY, UTAH, AND CASSIA COUNTY, IDAHO Michael L. Wells The Kelton Pass quadrangle, located at the east end of the Raft River Mountains, is a classic metamorphic core complex, in part exemplified by the Raft River detachment fault. The area contains Archean metamorphic, Proterozoic metasedimentary, and […]

OPEN-FILE REPORT 545

PROVISIONAL GEOLOGIC MAP OF THE TINTIC MOUNTAIN QUADRANGLE, JUAB AND UTAH COUNTIES, UTAH Jeffrey D. Keith, David G. Tingey, Judith L. Hannah, Steven T. Nelson, Daniel K. Moore, Teresa M. Cannan, Alexander P. MacBeth, and Tamalyn Pulsifer 15 p., 1 pl., 1:24,000 OFR-545……….$9.95 GET IT HERE