Moki Dugway road, San Juan County, Utah
Photographer: Michael Vanden Berg; ©2011
Moki Dugway road ascends 1,100 feet in about three miles connecting the valley floor to Cedar Mesa, Utah Route 261 northwest of Mexican Hat, San Juan County.
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Looking Glass Rock, San Juan County, Utah
Photographer: Taylor Boden; ©2011
The window of Looking Glass Rock eroded through the Jurassic-age Entrada Sandstone, northern San Juan County.
La Sal Mountains, Grand and San Juan Counties, Utah
Photographer: Mark Milligan; ©2011
Mount Tukuhnikivatz, a prominent peak in the La Sal Mountains, is an erosional remnant of magma that rose from depth (but never reached the surface) about 28 million years ago, forcing through and pushing up the area’s layered sedimentary rocks. View from the U.S. Forest Service Warner Lake guard station.
Wasatch Range, Utah County, Utah
Photographer: Adam McKean; © 2011
A colorful mosaic of fall colors on Provo Peak (11,068 feet), composed of Mississippian- and Pennsylvanian-age rock layers, Wasatch Range, Utah County.
Ogden Canyon, Weber County, Utah
Photographer: Ken Krahulec; ©2011
Large Z-shaped fold of Mississippian rock layers in upper Ogden Canyon, just below Pineview Reservoir, Weber County.
Ferron Mountain, Wasatch Plateau, Sanpete County, Utah
Photographer: Greg McDonald; ©2011
Fall colors at the base of striped layers of the Tertiary-age Flagstaff Limestone, southeastern end of Ferron Mountain, Wasatch Plateau, Sanpete County.
Mount Timpanogos, Wasatch Range, Utah County, Utah
Photographer: Grant Willis; ©2011
White traces of early snow dust prominent sandstone and limestone rock layers on Mount Timpanogos and contrast with lower-elevation yellow-tinted aspen trees. The sedimentary rocks are the Pennsylvanian-age Bear Canyon Member of the Oquirrh Formation that have been transported eastward over 30 miles on thrust faults.
Hope you all enjoy the President’s Day holiday! Here’s your photo for the day.
Wellsville Mountains near Honeyville, Utah
Photographer: Chris DuRoss; © 2011
Limestone clasts deposited by a debris flow (fast-moving mixture of sediment and water) at the base of the Wellsville Mountains near Honeyville. Debris flows form as saturated hillslope sediments move or are eroded, and commonly occur in areas burned by wildfires.
Would you be our Valentine? You geo friends really rock!
Bear River, Rich County, Utah
Photographer: Chris DuRoss; © 2011
This sand boil (eruption of liquefied sand) resulted from ground shaking during the 2010 magnitude 4.5 Randolph earthquake, which is one of the smallest earthquakes recorded to generate liquefaction. Bear River, Rich County.
Wasatch Plateau, eastern Sanpete County, Utah
Photographer: Rich Giraud; © 2011
The lower part of the Slide Lake landslide has averaged 14 feet of movement per year between 2004 and 2009. The landslide occurred in the Tertiary-Cretaceous-age North Horn Formation, which is known for producing many large landslides. Near Joes Valley Reservoir, the 1.2 miles long landslide deflects Seely Creek.
LEARN MORE ABOUT THE UTAH GEOLOGICAL SURVEY
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.
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Salt Lake City, Utah 84116
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Salt Lake City, Utah 84114
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