. The Canadian field-naturalist. April, 1932] The Canadian Field-Naturalist 79. TALCUM AT MADOC, HASTINGS COUNTY, ONTARIO* By M. E. WILSON THERE are not many materials that are more generally used, or with which everyone is more familiar, than talcum yet probably few of those who use it know that talcum, or talc as it is known to * Published by permission of the Director; Geological Survey of Canada. mineralogists, is a mineral, or that the largest known single deposit of talc suitable for talcum powder in America occurs near the village of Madoc, in Hastings county, Ontario, and that all or n
. The Canadian field-naturalist. April, 1932] The Canadian Field-Naturalist 79. TALCUM AT MADOC, HASTINGS COUNTY, ONTARIO* By M. E. WILSON THERE are not many materials that are more generally used, or with which everyone is more familiar, than talcum yet probably few of those who use it know that talcum, or talc as it is known to * Published by permission of the Director; Geological Survey of Canada. mineralogists, is a mineral, or that the largest known single deposit of talc suitable for talcum powder in America occurs near the village of Madoc, in Hastings county, Ontario, and that all or nearly all talcum prepared in Canada is obtained from this deposit. There are several occurrences of talc in the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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