Gen X at 40

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Paul Malo -

What do we call the rock? Granite. And we refer to the "Laurentian" rather than "Canadian" Shield. You can't be so proprietary. The same granite forms the Adirondacks. The link at the river is the "Frontenac Arch."

As you may know, the islands of Georgian Bay look much like the Thousand Islands, just as the Muskoka Lakes look like the Rideau Lakes. It's all the same terrain.

Evidence of the Frontenac Arch appears west as well as east of Gananoque. The Bateau Channel is really characteristic of this terrain, extending virtually to Kingston, in fact, thence northwest through the lakes. The south shore of Howe Island, however, is more like Wolfe Island, where the granite is covered with sedimentary limestone of the old lake plain.

Caveat: this professor is not Professor of Geology.

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