Wednesday, October 2, 2013: Field Review of New Geologic Mapping, Cedar City area, Iron County, Utah

Mapped by
Tyler R. Knudsen, Robert F. Biek, and Janice M. Hayden
Utah Geological Survey
A STATEMAP project supported by the Utah Geological Survey and the U.S. Geological Survey

Wednesday, October 2, 2013

The purpose of the review is to give the public and local government officials an opportunity to learn about new geologic research in their district, and to give geologists and others an opportunity to critique the maps before they are published.


  • Geologic hazards, including landslides, collapsible soils, earth fissures, and earthquake faults
  • Geology of lower Cedar Canyon
  • Kanarra anticline and Hurricane Cliffs
  • North Hills – sub-Claron unconformity and megaboulder deposits
  • Eightmile Hills and eastern Harmony Mountains – ash-flow tuffs and gravity slides
  • Granite Mountain and Three Peaks laccoliths
  • Iron Springs thrust fault
  • Iron mines


  • Assemble at the Utah Geological Survey parking lot, 88 Fiddler Canyon Road, in Cedar City at 7:15 a.m.; depart at 7:30 a.m. sharp.
  • Anyone is invited – please circulate this notice among your colleagues.
  • There is no charge, but for planning purposes, we ask that you RSVP to the Utah Geological Survey (email:; or call 801-537-3300).
  • A few short but strenuous hikes are planned.
  • A high-clearance vehicle is required; we may have some spaces in UGS vehicles within the field area (not to or from Salt Lake City) – please contact us if you would like a ride.
  • Please bring a sack lunch, water, boots, hat, and field clothes.
  • If severe weather threatens, please call the UGS office on day before to see if canceled.

 Questions?  Contact Tyler Knudsen (435-865-9036, or Bob Biek (801-537-3356,