New research from the University of Utah shows the magma chamber underlying Yellowstone National Park is less molten — and potentially more stable — than previously believed.


An expansive dino discovery has been made in Idaho. The research team accounts that this site has produced over 100 fossils with potential to produce hundreds more. Read more about this new find!


A Montana State University graduate student and MSU paleontologist David Varricchio are part of a research team that discovered the most productive and diverse dinosaur fossil site known in Idaho.


The “Tower of Silence” along Wahweap Creek, Grand Staircase–Escalante National Monument, Kane County, Utah
Photographer: Gregg Beukelman; © 2013

Boulders of Cretaceous-age Dakota Sandstone act as protective caps and inhibit erosion of the soft Jurassic-age Entrada Sandstone beneath, allowing hoodoo spires to form. Water cascading over the Entrada Sandstone during rainstorms has carved an intricate network of rills.


A huge desert created by global warming likely prevented early dinosaurs from migrating out of South America for millions of years, suggests an analysis of ancient rocks. (Related: “Oldest Dinosaur Found?“)


Long Canyon viewed from Pucker Pass, Grand County, Utah
Photographer: Gregg Beukelman; © 2013

At Long Canyon, stream erosion has carved a deep gorge into the east limb of the Cane Creek anticline. The canyon exposes dark-brown Triassic-age shale and sandstone of the Moenkopi and Chinle Formations capped by vertical cliffs of Triassic and Jurassic-age sandstone of the Wingate and Kayenta Formations.



When American West Center director Gregory Smoak moved to Utah in the mid-1980s, the Great Salt Lake immediately interested him.



Paleontologists in Argentina say they have unearthed the fossils of the biggest dinosaur ever to walk the planet.


We hope you’ve all had a great weekend! Here’s another stunning photo of Utah geology to start the week out.

Pahvant Butte, Millard County, Utah
Photographer: Mark Gwynn; © 2012

By: V.E. Langenheim, R.Q. Oaks, H. Willis, A.I. Hiscock, B.A. Chuchel, J. Rosario, and C.L. Hardwick

A new isostatic residual gravity map of the Tremonton 30′ x 60′ quadrangle of Utah is based on compilation of preexisting data and new data collected by the Utah and U.S. Geological Surveys. Pronounced gravity lows occur over North Bay, northwest of Brigham City, and Malad and Blue Creek Valleys, indicating significant thickness of low-density Tertiary sedimentary rocks and deposits. Gravity highs coincide with exposures of dense pre-Cenozoic rocks in the Promontory, Clarkston, and Wellsville Mountains. The highest gravity values are located in southern Curlew Valley and may be produced in part by deeper crustal density variations or crustal thinning. Steep gradients also coincide with the margins of the Promontory Mountains, Little Mountain, West Hills, and the eastern margin of the North Promontory Mountains and may define concealed basin-bounding faults.



Little Wild Horse Canyon, Emery County, Utah
Photographer: Gregg Beukelman; © 2012

Navajo Sandstone in Little Wild Horse Canyon, Emery County.