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The Colorado Plateau. Mark Gorenc Dina Freedman 9.13.11 GEOG 6950. Geography. Image of the CP like this or similar. 130,000 square km roughly equal to Alabama Bound by the Uintas, Rockies, Wasatch Range, Rio Grand Rift, the Mogollon Rim and Basin and Range Province

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the colorado plateau
The Colorado Plateau

Mark Gorenc

Dina Freedman

9.13.11

GEOG 6950

geography
Geography
  • Image of the CP like this or similar
  • 130,000 square km

roughly equal to Alabama

  • Bound by the Uintas, Rockies, Wasatch Range, Rio Grand Rift, the Mogollon Rim and Basin and Range Province
  • Known for stunning geologic features and national parks
physical geological characteristics
Physical & Geological Characteristics
  • Elevations range from 1 to 4.2 km and average is 1.6 km
  • Landscape is relatively undeformed
  • Precambrian igneous basement with a thick sedimentary cover
  • Known for distinct structural and erosional features
crust and lithosphere properties
Crust and Lithosphere Properties
  • Compression by Farallon Plate Subduction
  • Farallon Plate sinking Initiates buffer free upwelling
  • Asthenosphere invasion into lithosphere
  • Generally controversial topic

Modified from Humphreys et al. 2003

chronology
Chronology
  • Upwelling of magmatic intrusions
  • Lithoshere-Asthenosphere interaction
  • Incision of Rivers to create today’s features
  • Faulting in Basement Rocks
  • Sedimentary Basin Fill
  • Farallon Plate Subduction and compression
  • Sinking of Farallon and extension

Modified from Plummer 2005