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STONES FROM THE GREAT LAKES
A Primeval Aesthetic
By Tony Ankowicz, USA
Photographs by Richard Trummer and William Lemke
Top; Example of wind swept ith utmost respect for the spirit of this art form, I would like to offer another variation to
trees throughout the area. our North American Viewing Stones. My intent here is to describe the unique qualities of
these stones from the Great Lakes, specifically Lake Huron, and how they have changed and
filled my life.
W More than four billion years ago, the Laurentian or Canadian Shield was formed and sub-
sequently shaped by active volcanoes which eventually became large mountains. The Shield itself is predomi-
nately composed of Pre-Cambrian igneous and metamorphic rock consisting of granite, quartzite, gneiss and
migmatite which eventually folded and cooled into stunning veins and the structures that we see today. Over
millions of years this plate eroded to an almost flat topography, providing the source for many of these stones.
The Great Lakes were formed next to this structure approximately 7,000–10,000 years ago following the
recession of the last glaciation. This massive sheet of ice gouged, carved and further flattened the Shield into
its present form. In the process of this retreat, rocks of various sizes were “dropped” along the way, and some of
4 | BCI | July/August/September 2014
