Moominmama and The Rocks of Lake Superior
Wherein Moominmama visits the Apostle Islands and Pictured Rocks National Lakeshore to see how erosion shapes the sandstone in interesting ways... Water turns out to be one of the most artistic forces of erosion on earth, and the sandstone formations along Lake Superior are a fine example. The best way to see the formations are by boat, which means Moominmama was back on the water, recovering today from a six-hour journey in a sea kayak. As tired as I am, it was great fun to travel under arches and into caves carved by the water into these ancient sedimentary deposits. Photographs can make it hard to show scale, so I invite you to look closely at the lower right area of this photo. Barely visible is the kayak of our leader, Colin, inside this colorful cave at Pictured Rocks. The cave also extends further back than it appears. This national park gets its name from what looks like paint along the cliff faces, which is the result of minerals leaching through the sandston...