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Arch Rock
Arch
on
Lake Huron
in
Mackinac Island
,
MI
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On Wikipedia
Arch Rock is a geologic formation on Mackinac Island in Michigan. It is a natural limestone arch formed during the Nipissing post-glacial period, a period of high Lake Huron levels following the end of the Wisconsin glaciation. To this day Arch Rock stands on the Lake Huron shoreline 146 feet (45 m) above the water. Limestone breccia is not an ideal material for natural bridges, and this type of formation is quite rare in the North American Great Lakes region. The Native Americans saw Arch Rock as a place of numinous power, and told many stories and legends about it. Euro-Americans did not share many of the taboos of their Native predecessors, and treated Arch Rock as a curiosity to be admired. One early chronicler was Alexis de Tocqueville who wrote of the "Giant's Arch" "of extraordinary…
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Taxonomy
Classified As
Arch
Waterbody
Lake Huron
Lake
Geologic Formations
Mackinac Breccia (MIDm;0)
Geologic Formation
Mackinac Breccia
Geologic Formation
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