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Canyon Quote by George Gaylord Simpson

“A rill in a barnyard and the Grand Canyon represent, in the main, stages of valley erosion that began some millions of years apart.” quote by George Gaylord Simpson
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“A rill in a barnyard and the Grand Canyon represent, in the main, stages of valley erosion that began some millions of years apart.”

George Gaylord Simpson

About This Quote

Source Book: Principles of Geology, 1944

Valley formation occurs over vast timescales, from tiny streams to massive canyons.

In simple terms: Small streams and huge canyons form over millions of years.

Key Takeaway

Recognize slow, cumulative change.

Themes

geology erosion time scale process

Mood

awe curiosity reflective

Type

educational scientific

When to use this quote

  • landscape planning
  • environmental education
  • geological fieldwork
  • conservation
  • tourism

Key Concepts

geomorphology tectonics sedimentation

Questions to Reflect On

  • How does recognizing deep time affect environmental decisions?
  • What small actions mirror large geological processes?
A Different Perspective

Human perception often underestimates geological time.

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