fast ice / lake superior
Last of the Lake Superior fast ice- -about 100 km north of Sault Ste. Marie- -Kilometer 1148, Ontario Highway 17.
The pressure is about 4-5 meters thick as of April 1.
Fast ice is an extensive unbroken sheet of ice that is “fastened” to the shoreline or shoals; the ice forms from freezing temperatures (air and water), waves, drift ice, and snowfall.
This sheltered bay, on eastern Lake Superior, is part part of the Mamainse Point Formation: an area of the Midcontinent Rift System characterized by Precambrian (Mesoproterozic) volcanic activity over a billion years ago.
fast ice / lake superior
Last of the Lake Superior fast ice- -about 100 km north of Sault Ste. Marie- -Kilometer 1148, Ontario Highway 17.
The pressure is about 4-5 meters thick as of April 1.
Fast ice is an extensive unbroken sheet of ice that is “fastened” to the shoreline or shoals; the ice forms from freezing temperatures (air and water), waves, drift ice, and snowfall.
This sheltered bay, on eastern Lake Superior, is part part of the Mamainse Point Formation: an area of the Midcontinent Rift System characterized by Precambrian (Mesoproterozic) volcanic activity over a billion years ago.