Tag Archive for: geological
San Rafael Swell, Emery County, Utah
Photographer: Robert Ressetar; © 2013
Window Blind Peak rises to an elevation of 7,030 feet in the interior of the San Rafael Swell. The resistant Triassic to Jurassic-age Wingate and Navajo Sandstones form, respectively, the massive lower cliffs and the upper pinnacle.
Silver Island Mountains, Box Elder County, Utah
Photographer: Gregg Beukelman; © 2013
Chemical weathering produces pits and holes in the surface of Jurassic-age quartz monzonite at Crater Island, in the northeast part of the Basin and Range Province. The “island” of rock rises from the barren, salt-covered plains of the Great Salt Lake Desert east of the distant Pilot Range.