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The Sliding Rocks of Racetrack Playa Mystery - GEOLOGY.COM <blockquote>These rocks can be found on the floor of the playa with long trails behind them. Somehow these rocks slide across the playa, cutting a furrow in the sediment as they move. Some of these rocks weigh several hundred pounds. That makes

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The Sliding Rocks of Racetrack Playa Mystery - GEOLOGY.COM <blockquote>These rocks can be found on the floor of the playa with long trails behind them. Somehow these rocks slide across the playa, cutting a furrow in the sediment as they move. Some of these rocks weigh several hundred pounds. That makes

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