Science: Discovery in the Tundra

The northwestern tip of Quebec, just south of Baffin Island, is flat, sodden tundra sprinkled thickly with little lakes. Most of them are irregularly shaped. But Prospector Fred W. Chubb noticed, while poring over an aerial photograph, that one lake was almost round and surrounded by a wall of rock. Chubb showed the photo to Dr. V. Ben Meen, director of Toronto's Royal Ontario Museum of Geology and Mineralogy.

This week Dr. Meen returned from a quick air visit to the lake and reported that it was almost certainly a meteorite crater (there was no lava or other sign of volcanic activity),...

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