Maroon Bells Geology

What is the story of the Maroon Bells? What forces created their bell shape? Hike down from Maroon Lake and look for clues hiding in the rocks that tell a tale of how the Maroon Bells have changed over time. Make observations of how erosion is a main character in this landscape’s story, and how erosion continues to actively change the landscape around us.

Maroon Bells Geology

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Typical Program Length

4 hours


4th Grade




Maroon Bells

Applicable Standards

4-ESS1-1 Identify evidence from patterns in rock formations and fossils in rock layers for changes in landscape over time to support an explanation for changes in a landscape over time.

4-ESS2-1 Make observations and/or measurements to provide evidence of the effects of weather or the rate of erosion by water, ice, wind, or vegetation.

4-ESS2-2 Analyze and interpret data from maps to describe patterns of Earth's features.