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Factors Influencing the Evolution of Sandstone Sea Caves

  • Madeline Island Museum 226 Colonel Woods Avenue La Pointe, WI, 54850 United States (map)

A simplified geological map of the Apostle Islands showing the locations of cliffs with cavities and sea caves. Based on the map in Thornberry-Ehrlich (2015) and observations. from the study Factors influencing the evolution of sandstone sea caves: A case study from the Apostle Islands National Lakeshore (Lake Superior, USA) published in Journal of Great Lakes Research Volume 50, Issue 1, February 2024, 102251

Free and open to the public!
Location: Madeline Island Museum

This program will look at centuries of wave action, freezing and thawing that have sculptured shorelines throughout the Apostle Island National Lakeshore.  Dr. Fitz will discuss the evolution of these beautiful arched and vaulted chambers and honeycomb passages.