publication . Other literature type . Article . 2008

Upheaval Dome, Utah, USA: Impact origin confirmed

Elmar Buchner; Thomas Kenkmann;
Open Access
  • Published: 01 Jan 2008
  • Publisher: Hosted by Utah State University Libraries
  • Country: United States
Upheaval Dome is a unique circular structure on the Colorado Plateau in SE Utah, the origin of which has been controversially discussed for decades. It has been interpreted as a crypto volcanic feature, a salt diapir, a pinched-off salt diapir, and an eroded impact crater. While recent structural mapping, modeling, and analyses of deformation mechanisms strongly support an impact origin, ultimate proof, namely the documentation of unambiguous shock features, has yet to be successfully provided. In this study, we document, for the first time, shocked quartz grains from this crater in sandstones of the Jurassic Kayenta Formation. The investigated grains contain mu...
free text keywords: upheaval dome, Utah, impact, origin, Environmental Sciences, Natural Resources and Conservation, Geology, Planar deformation features, Volcano, geography.geographical_feature_category, geography, Dome, Fluid inclusions, Impact crater, Geophysics, Diapir, Shocked quartz, Plateau
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Other literature type . 2008
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