Death Valley has a sunbaked lake bed of cracked mud that is flat, flat, flat, and normally bone dry. Yet, dotting the valley floor are boulders with long grooves behind them cutting through the dried mud. Those grooves indicate such stones have scuttled along the valley floor, sometimes in parallel to one another. This has led some to refer to this area as the “Death Valley race track” or “Racetrack Playa,” with boulders racing one another toward some finish line.
Esta historia es de la edición September 2020 de Rock&Gem Magazine.
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Esta historia es de la edición September 2020 de Rock&Gem Magazine.
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