Varved glacial clays of unusual extent have been revealed by the unwatering of Steep Rock Lake, in western Ontario, an operation carried out in order to gain access to the high-grade iron ore beneath the bed of the lake. Laboratory studies have been carried out primarily for engineering purposes.
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机译:安大略省西部的陡峭岩石湖(Steep Rock Lake)没浇水,揭示了异常程度的剥落的冰川粘土,这项工作是为了获得进入湖床下的高级铁矿石而进行的。实验室研究主要是出于工程目的。
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