May 22, 2025

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Articles for tag: ancient geology Michigan, Anishinaabe legends, Gichi-Gami, isle royale, Keweenaw Peninsula, Lake Superior geology, Michigan Upper Peninsula, Midcontinent Rift, Mishipeshu, Pictured Rocks, Porcupine Mountains, volcanic Michigan

The Billion-Year-Old Crack That Shaped Lake Superior

From Lake of the Clouds to Isle Royale, discover how a failed split in Earth’s crust created some of Michigan’s most iconic landscapes. Photo: The richly colored sandstone cliffs and sculpted archways of Pictured Rocks National Lakeshore reveal layers of sediment laid down as ancient inland seas filled the Midcontinent Rift basin. Photo by Alexeys ...

Doug Marrin

Two bull moose fighting in woods on Isle Royale

Recent Study Shows Moose Are Declining on Michigan’s Isle Royale

A 2024 survey shows the wolves are holding steady, but the moose are declining on Isle Royale. Isle Royale is known for its moose and wolves. Michigan’s isolated National Park in northwest Lake Superior has been the location for the longest-running predator-prey study, which began in 1958. This research is one of the longest-running ecological ...