The Geology of the Grand Canyon
  • 1. What rock type primarily composes the Grand Canyon's walls?
A) Volcanic
B) Sedimentary
C) Igneous
D) Metamorphic
  • 2. Which geologic time period is the oldest exposed rock in the Grand Canyon from?
A) Mesozoic
B) Cenozoic
C) Paleozoic
D) Precambrian
  • 3. What is the name of the oldest rock formation in the Grand Canyon?
A) Bright Angel Shale
B) Redwall Limestone
C) Kaibab Limestone
D) Vishnu Schist
  • 4. What major river runs through the Grand Canyon?
A) Missouri River
B) Colorado River
C) Rio Grande
D) Nile River
  • 5. Which layer is known for its distinctive limestone formations in the Grand Canyon?
A) Bright Angel Shale
B) Devil's Corkscrew
C) Hermit Shale
D) Redwall Limestone
  • 6. What rock formation caps the Grand Canyon?
A) Moenkopi Formation
B) Supai Formation
C) Coconino Sandstone
D) Kaibab Limestone
  • 7. The Grand Canyon is located in which U.S. state?
A) Arizona
B) Nevada
C) Utah
D) California
  • 8. What type of climate does the Grand Canyon have?
A) Desert climate
B) Temperate climate
C) Polar climate
D) Tropical climate
  • 9. Which national park encompasses the Grand Canyon?
A) Yosemite National Park
B) Zion National Park
C) Yellowstone National Park
D) Grand Canyon National Park
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