Tag Archive for: geology

MAP 244

GEOLOGIC MAP OF THE PELICAN POINT QUADRANGLE, UTAH COUNTY, UTAH
Barry J. Solomon, Robert F. Biek, and Scott M. Ritter

This quadrangle is located in central Utah within the eastern Basin and Range Province.  The quadrangle includes the northern part of Utah Lake in western Utah Valley, the northern and northeastern lakeshore, and Pelican Point, extending into Utah Lake from the eastern edge of the Lake Mountains.  Bedrock near Pelican Point includes Mississippian-age sedimentary strata on the eastern limb of the Lake Mountains syncline.  The majority of the quadrangle is covered by Utah Lake, which is underlain by normal faults that form the western boundary of Utah Valley.  Surficial deposits along the lakeshore are primarily associated with lacustrine deposition from Holocene Utah Lake and its precursor, late Pleistocene Lake Bonneville.

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HERBERT TO HONOR RECIPIENTS FOR CONTRIBUTIONS TO SCIENCE

Seven recipients will be presented with the Governor’s Medal for Science and Technology during an awards ceremony Tuesday at Discovery Gateway in Salt Lake City.

The awards program, started in 1987, recognizes Utah people and companies whose career achievements or distinguished service have benefited the state in the areas of science and technology.

IN THE MEDIA
The Salt Lake Tribune
Deseret News

$720 K AWARDED FOR ENERGY EFFORTS

Deseret News

The Utah State Energy Program has awarded a total of $720,000 to several entities to promote energy-related activities.

The grants are from American Recovery and Reinvestment Act funds.

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GEOLOGIC REPORT WARNS CENTERVILLE OF POTENTIAL CANYON CATASTROPHE

Joseph M. Dougherty Deseret News

A new report by the Utah Geological Survey shows that Deuel Creek in Centerville Canyon, given the right conditions, could dump 196,000 cubic yards of mud on Centerville homes.

The last time Deuel Creek had a devastating debris flow event was, well, never.

But creeks in similar canyons to the north of Centerville Canyon have produced debris flows, which are characterized by large amounts of mud, rocks, trees and boulders. That’s different from a flood, says UGS geologist Rich Giraud, which is mostly water with some eroded material.

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ENERGY EFFICIENCY FUNDING OPPORTUNITY FOR UTAH'S LOCAL GOVERNMENTS

About $8.5 million dollars are now available to local governments. The money represents a portion of the U.S. Department of Energy (DOE) American Recovery and Reinvestment Act -Energy Efficiency and Conservation Block Grant (EECBG), which was allocated in March 2009. The funds were directed to state energy programs, larger cities and counties, and federally recognized tribes.

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IN THE MEDIA
The Spectrum
Deseret News

RELATED LINKS

American Recovery and Reinvestment Act (Recovery Package)

Energy Efficiency and Conservation Block Grant

OPEN-FILE REPORT 558

40Ar/39Ar GEOCHRONOLOGY RESULTS FOR THE FURNER RIDGE AND TINTIC MOUNTAIN QUADRANGLES, UTAH
Utah Geological Survey and Nevada Isotope Geochronology Laboratory

This Open-File Report makes available raw analytical data from laboratory procedures completed to determine the age of rock samples collected during geologic investigations funded or partially supported by the Utah Geological Survey (UGS). Table 1 provides the sample numbers and locations. Table 2 provides the rock names and map units from which the samples were collected; see the map references for additional information such as geologic setting, and significance or interpretation of the samples in the context of the area where they were collected.

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M-243DM

M-243DMSURFICIAL GEOLOGIC MAP OF THE SALT LAKE CITY SEGMENT AND PART OF ADJACENT SEGMENTS OF THE WASATCH FAULT ZONE, DAVIS, SALT LAKE, AND UTAH COUNTIES
(digitized from U.S. Geological Survey Miscellaneous Investigation Series map I-2106, 1992)
Stephen F. Personius and William E. Scott

This map shows the surficial deposits and the faults that offset them along the Salt Lake City segment and adjacent parts of the Weber and Provo segments of the Wasatch fault zone in north-central Utah.  The map area includes the central and eastern parts of the Salt Lake Valley, including metropolitan Salt Lake City and its southern suburbs.  Although a major surface-faulting earthquake has not occurred on the Wasatch fault zone since the state was settled in 1847, the geologic record contains abundant evidence of large earthquakes during Holocene and late Pleistocene time.  The size, age, and distribution of fault scarps produced by these prehistoric earthquakes can be used to determine the most likely sites for future earthquakes, and are therefore the principal focus of the map.

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Salt Lake County Geologic Hazard Maps

Glad You Asked—Why Does A River Run Through It?

river-runs-through-it Jim Davis

Even though we are a “desert” state, Utah’s rivers are world-renowned among river runners and geoscientists. Several of America’s early geologists, including G.K. Gilbert, W.M. Davis, C.E. Dutton, and J.W. Powell contributed to theories of stream evolution from observations made in Utah.

Rivers typically originate in the mountains, flow away from them in a more-or-less constant direction, enter increasingly broad river plains, and terminate at an ocean. But many rivers in Utah flow toward and across mountains, run contrary to valleys, make U-turns, and many never reach the ocean.

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Glad You Asked—Glacial Striations and Slickensides

slickensidesWhat are those groovy rocks and how did they get that way?
Carole McCalla

On a hike around Lake Blanche below Sundial Peak in Big Cottonwood Canyon, a group of hikers came across long, straight, parallel grooves on a smooth, polished rock surface. Recalling another location where they had seen similar features at the foot of the mountains north of downtown Salt Lake City, they wondered if these markings were formed in the same way. Indeed, what exactly are they and how were they formed?

Although the smooth, grooved surfaces at these two locations are similar, they were actually formed in very different ways.

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Snake Valley Well Data Now Online

snake-valley-drillA new interactive map of Snake Valley with all of the well data, has recently been added to the Utah Geological Survey (UGS) Web site.  The West Desert Ground-Water Monitoring Network is almost complete and updates are available on a newly developed Google Earth™ interactive map.  The network will monitor ground water for more than 50 years in Snake Valley, western Millard County and adjacent areas.  The $3.5 million network is a response to planned ground-water development in east-central Nevada.  The Utah Geological Survey will upload data onto its Web site.

Objectives included: assessing the potential impacts of pumping on ground water and spring flow in Utah; evaluating flow patterns in the aquifer from Snake Valley to Fish Springs National Wildlife Refuge; determining baseline water-level and chemical trends in local and regional ground-water flow systems; and, measuring the capacity of the aquifers to transmit and store ground water.

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