Navajo Sandstone, Zion National Park, Washington County. Photo by Lance Weaver.
About Utah Geological Survey
This author has yet to write their bio.Meanwhile lets just say that we are proud Utah Geological Survey contributed a whooping 52 entries.
Entries by Utah Geological Survey
Snow-capped hoodoos of the Eocene-age Pink Member of the Claron Formation glow in the evening sun. These hoodoos were sculpted by the effects of weathering and erosion from ice and rain. Learn more about how hoodoos are formed. Bryce Canyon National Park, Garfield County. Photo by Trevor Schlossnagle.
The evening sun casts a long shadow of a basaltic knob at Pot Mountain. These early Pleistocene-age rocks are likely eroded volcanic necks that may have erupted into water. The vents are now eroded and partially concealed by shoreline gravel of the late Pleistocene Lake Bonneville, giving the mountain a teapot-like shape when viewed from […]
Silver Island Mountains, Tooele County, Utah. Photo by Adam Hiscock.
Gypsum crystals from drying mudflats are blown into dunes patterned with sinuous ripples along the eastern margin of the Great Salt Lake Desert. Gypsum—an evaporite mineral that is soluble in water—is an uncommon constituent of sand. Knolls Dunes, Tooele County, Utah. Photo by Andy Cvar.
Mt. Ellen, Henry Mountains, Garfield County, Utah. Photo by Ken Krahulec.
Fall colors and snow compliment brightly colored lichen on Miocene-age volcanic boulders on the shore of Johnson Valley Reservoir. Cloud shadows dapple the Fish Lake Hightop, one of several high plateaus in central Utah dominated by Tertiary-age volcanic rocks. Fishlake National Forest, Sevier County, Utah. Photo by J. Lucy Jordan.
Yant Flat near Silver Reef, Washington County, Utah. Photo by Paul Inkenbrandt.
POPULAR POSTS & PAGES
- Glad You Asked: Ice Ages – What are they and what causes them?
- Rock & Mineral Collecting Sites
- Rock Fall in Provo 2009
- The Rockhounder: Dugway Geode Beds, Juab County
- Glad You Asked: Igneous, Sedimentary, & Metamorphic Rocks
- Glad You Asked: How Do Geologists Know How Old a Rock Is?
- Glad You Asked: What are Moqui marbles?
- Rocks and Minerals
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: Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.
1594 West North Temple, Suite 3110
Salt Lake City, Utah 84116
PO BOX 146100
Salt Lake City, Utah 84114
Monday through Friday,
8 a.m. to 5 p.m.
Natural Resources Map & Bookstore
Monday through Friday,
10 a.m. to 5 p.m.