Geology of Eau Claire Mica Deposits

THE recent production of important quantities of high-grade muscovite at the Purdy mine, near Eau Claire, Ontario, bas brought that district into prominence and bas added another strategic mineral to the list of Canadian products. The discoveries are thirteen miles west of Mattawa and about two miles north of the Trans-Canada highway and the Canadian Pacific railway.
Keywords: Deposits, Dykes, dykes, Eau Claire Mica Properties, gneiss, muscovite, pegmatite, Mica, micas, Mine, Mines, Rock, Rocks
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