Arches National Park, Grand County, Utah
Photographer: Michael Vanden Berg

A small window in the Slick Rock Member of the Entrada Sandstone frames a view of Utah’s most famous landform, Delicate Arch. The arch is composed of Jurassic-aged sandstone including the Slick Rock Member (base and  pedestals) and Moab Member of the Curtis Formation (bridge). In the distance, Oligocene-aged igneous rock forms the snow-covered La Sal Mountains.

The East African Rift is an area where two tectonic plates are moving apart, making it a region of high geological activity, home to a number of volcanoes.


San Juan River near Mexican Hat, San Juan County, Utah
Photographer: Tyler Knudsen

Rock layers are folded in some areas of the Colorado Plateau, such as these on the flank of the Raplee anticline along the San Juan River near Mexican Hat, San Juan County.

The University of Utah is starting a new masters program in petroleum engineering to help fill high paying jobs that are available in the industry. But some say this is short sighted and fossil fuels are on the way out. KCPW Reporter Kim Schuske has this story.


Island in the Sky District, Canyonlands National Park, San Juan County, Utah
Photographer: Lance Weaver

Deep canyons display headward erosion at Island in the Sky District, Canyonlands National Park.

Island in the Sky District, Canyonlands National Park, San Juan County, Utah
Photographer: Taylor Boden

The La Sal Mountains laccolith (a shallow, mushroom-shaped igneous intrusion) of Oligocene age rises above the red Mesozoic and Paleozoic sedimentary rocks exposed in the Colorado River drainage. Washer Woman Arch, visible in the upper part of the small butte in the middle foreground, is eroded out of the Triassic-Jurassic-aged Wingate Sandstone.

Special thanks to Burke McClure for the submission!

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Wasatch Range, Morgan County, UtahPhotographer: Ashley H. Elliott

Glaciated peaks and cirques on the east side of the Wasatch Range

In Christchurch, New Zealand in February, 2011, a magnitude 6.3 earthquake struck six miles from the city center. The sandy type of soil present in the area caused the ground to basically liquefy during shaking.

UGS Geologist Chris DuRoss is interviewed by KCPW: Explore Utah Science to discuss the hazard of liquefaction we face right here in the the Salt Lake Valley.


Earthquake Risk in the Salt Lake Valley

Michael Hylland, a geologist at the Utah Geological Survey, examines disruptions in the subsurface soil at a trench dug through a section of the Wasatch Fault


Zion National Park, Washington County, Utah
Photographer: Lance Weaver

Zion Canyon viewed from Observation Point, showing Angels Landing and The Great White Throne.