A possible new impact structure near Lac de la Presqu‘île,Québec,Canada |
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Authors: | Michael Higgins Larry Tait |
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Abstract: | Abstract— Lac de la Presqu'île is a sub-circular lake, about 7 km in diameter with a prominent central peninsula. The shape of this lake and the occurrence of shatter cones to the east suggest that an impact created a crater with an original diameter of at least 12 km (Tait, 1990). Deep erosion of the structure suggests that it was formed in the distant past, at least several hundred million years ago. |
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