The Stanleyville Vermiculite Deposit

CIM Bulletin1952
ON NOVEMBER 15th, 1950, the Department of Mines and Technical Surveys announced the discovery of vermiculite near Perth, Ontario. The announcement followed nearly a month of study to determine so far as possible the potentialities of the deposit and quality of the material from surface indications. The mineral was identified by the writer in the field among samples submitted by Mr. Arthur Powers of Stanleyville or, September 22nd, 1950. Within a week of the announcement, mining rights to properties covering a major portion of the deposit had been acquired by commercial interests.
Keywords: Air, Canada, Deposits, Expansion, Furnaces, gangue, Libby, Montana, mica, Stanleyville, Treating Vermiculite, Materials, mineral, minerals
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