The Devil‘s Slide is one of the more unusual natural formations along the wall of Weber Canyon, in Utah. There, two limestone layers, tilted to near vertical, rise 40 feet above the canyon wall with 25 feet separating them. Looking like a large playground slide fit only for the Devil, this site is a tilted
Weighing in at 88 carats, sporting 57 perfect edges, known by rock hounds around the globe as nature’s “greatest creation,” ladies and gentlemen, the heavy-weight champion of the diamond world, Korloff Noir! The gargantuan black diamond, insured for $37 million, is headed from its home in France to Salt Lake City for public display Nov.
In the Black Rock Desert, Millard County Geologic information: Approximately 2.5 million years ago (late Tertiary Period), volcanic eruptions in the Black Spring area of the Black Rock Desert in western Utah spewed out the volcanic rocks rhyolite, pumice, and obsidian. Obsidian is a dark-colored volcanic glass formed when molten lava cools quickly. It is usually
by Geologic Information and Outreach Staff Utah Geological Survey Utah’s rock, mineral, and fossil collectors must adhere to rules and regulations established by owners or managing agencies of the lands on which they wish to collect. Prior to collecting, rockhounds should determine ownership of the lands they intend to visit and familiarize themselves with the
at Rock Corral Canyon in the Mineral Mountains, Beaver County Geologic information: The Mineral Mountains, located in Beaver County, make up the largest exposed plutonic body in Utah. Rock compositions range from quartz monzonite in the northern half of the pluton to granite around Rock Corral Canyon in the south. Excellent crystals of smoky quartz and
at Sunstone Knoll, Millard County Geologic information: Sunstone Knoll is formed of volcanic vents that erupted during the early Pleistocene (1.6 million years to about 750,000 years ago). These eruptions left deposits of basaltic lava and volcanic breccia (angular, broken rock fragments held together in a matrix of finer grained material). Sunstone is a transparent, yellowish
U. scientists say Yellowstone caldera may be filling with magma The floor of the Yellowstone caldera has risen at a rate faster than has ever been observed before, according to a new study that gives further proof that “ground deformation” at the park resembles the gently heaving chest of a slumbering giant. The likely cause