In the spring of 1903 in Frank,AB,about 82 million tonnes of rock and sediment moved down the east side of Turtle Mountain and surged up the other side of the valley.Of which mass movement is this an example?

Question

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This event is an example of a "slide," specifically a rockslide, where a large mass of rock and sediment rapidly moves down a slope. The Frank Slide is one of the most famous rockslides in Canadian history.

In the Spring of 1903 in Frank,AB,about 82 Million Tonnes