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Colorado Plateau - Geography. Arizona Geography GCU 221. Colorado Plateau - Geography. Northwestern Colorado Plateau: Landforms: Grand Canyon goodies Humans: Route 66 and Kingman Northern Colorado Plateau: Landforms: San Francisco volcanic field, and more GC
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Colorado Plateau - Geography Arizona Geography GCU 221
Colorado Plateau - Geography • Northwestern Colorado Plateau: Landforms: Grand Canyon goodies Humans: Route 66 and Kingman • Northern Colorado Plateau: Landforms: San Francisco volcanic field, and more GC Humans: Flagstaff and Williams • Northeastern Colorado Plateau: Landforms: Monument Valley and Grand Falls Humans: Navajo, Hopi (covered earlier)
Landforms - Western Grand Canyon • Hurricane Fault – most active in Arizona • Vulcan’s Throne – Volcanism and lava dams in the Grand Canyon, 3 Ma to the present • Paleo-channels - that came from the Mogollon Highlands • Havasu Falls – continuous deposition of calcium carbonate in the water causes agradation and eventually waterfalls. • Surprise Canyon Landslide – Largest in Arizona
Humans Kingman, AZ founded in 1882 History • Founded part of an early railroad, Beale’s Springs • Andy Devine - Actor • Mojave County Seat and big Hospital
Landforms – Northern Colorado Plateau • San Francisco Volcanic Field – An active volcanic field responsible for the Peaks, SP Crater, Sunset Crater, from 6 million years to present. • Grand Falls – 150,000 years ago, a lava flow from Merriam Crater poured into the Little Colorado River, damming and re-directing the river to flow around, forming the water fall.
Humans Flagstaff, AZ founded in 1876 History • Ponderosa Flag Pole • Lowell Observatory • Coconino County Seat, Northern Arizona University, biggest hospital on the Colorado Plateau
Humans Williams, AZ founded in 1876 History • Originally a big lumber town • Route 66 stop • Bypassed by I-40 and saved by the Grand Canyon Railway
Landforms – Northeastern Colorado Plateau • Monument Valley – Retreat of a layered rocks as scarps, at different rates and different resistance, generate the cool buttes. • Marble Canyon Reconstruction – Moenkopi / Shinarump Scarp retreat, and drainage reconstruction
Things to know: • Northwestern Colorado Plateau: Landforms: Grand Canyon goodies Humans: Route 66 and Kingman • Northern Colorado Plateau: Landforms: San Francisco volcanic field, and more GC Humans: Flagstaff and Williams • Northeastern Colorado Plateau: Landforms: Monument Valley and Grand Falls Humans: Navajo, Hopi (covered earlier) Help: Ask Dr. Douglass
Transition Zone - Geography Arizona Geography GCU 221
Transition Zone- Geography • Western Transition Zone: Landforms: Big Sandy River Highway 93 Vegetation: Joshua Trees Highway 93 Humans: Bagdad and Bullhead City • Central Transition Zone: Landforms: Agua Fria N.M. and Fossil Creek Humans: Strawberry and Arcosanti • Eastern Transition Zone: Landforms: Black River and Big Lake Humans: Alpine and Morenci
Things to know: • Western Transition Zone: Landforms: Big Sandy River Highway 93 Vegetation: Joshua Trees Highway 93 Humans: Bagdad and Bullhead City • Central Transition Zone: Landforms: Agua Fria N.M. and Fossil Creek Humans: Strawberry and Arcosanti • Eastern Transition Zone: Landforms: Black River and Big Lake Humans: Alpine and Morenci
Basin and Range- Geography Arizona Geography GCU 221
Basin and Range - Geography • Western Basin and Range: Landforms: Pinacate and Kofa Mountains Humans: Yuma and Lake Havasu • Central Basin and Range: Landforms: Organ Pipe and Eagle Tail Mountains Humans: Ajo and Gila Bend (Butterfield Trail) • Eastern Basin and Range: Landforms: Chiricahua and Catalina Mountains Humans: Bisbee and Sierra Vista
Basin and Range - Geography • Western Basin and Range: Landforms: Pinacate and Kofa Mountains Humans: Yuma and Lake Havasu • Central Basin and Range: Landforms: Organ Pipe and Eagle Tail Mountains Humans: Ajo and Gila Bend (Butterfield Trail) • Eastern Basin and Range: Landforms: Chiricahua and Catalina Mountains Humans: Bisbee and Sierra Vista